Raabe ratio test, ~acravoi; avaA.o­y iai; mu PaaµM· { paa~i:tavl') ~acravoi; avaA.oyiai;}.

Raabe ratio test for convergence or divergence of an infinite series, paa~i:tavl') ~acravoi; ava­A.oyiai; Ota cruyKAtcrtV 11 an6-KatcrtV (mi;{pOU cri;tpfri; .

rabbit-ear, PA.6.., oinoA.ov.

R

radar, paoti:vrnmcrTf]i;· [ pavnip}. continuous-wave radar, cruv&xoKu­

µm:tK6<; pa8LEV't01tlCT'ti]<; . Doppler radar, 8o1t7tA.&ptuv6<; pa-

8t&V't01ttcrti]<;. pulse radar, 1taA.µtK6<; pa8t&vwm­

crti'1<;. tracking radar, ixveunKO<; pa8t&V-

10mcrt11<;.

radar altitude, paoti:vrnntcrnKov ihvoi;.

radar astronomy, paotacrTpovoµia· { paOt!:VtOntO"'l"l Kl) U<YTpOVO~ltU j.

r adar indicator, paowvrnmcrnKoi; EVOdK'l"lK c~:YN. : radarscope).

radar range, paOt!:VTOmcrnKOV eK­rnµa· [ paoti:vrnmcrnKT) Eµ~£­A.i:ta}.

radar range equation, E~ icrrocrt i; pa­oti:vrnmcrnKou EKTaµaToi;.

radar reflectivity, paowvTomcrnKT) UVUKAU<Y"CtKOTTJi;.

radar scan, paoti:pi:uv1iµa· [ paoti:v­rnmcrnKov 8ti:pi:uv1iµa}.

radar scanning, paoti:pi:uvT)crti;· [pa­oti:vrnmcrnKT) Ot!:p!:UVT)<Yti;}.

radar screen, paoti:vrnmcrnKov n£­rncrµa· [ n£rncrµa J.

radar target, paoti:vrnmcrnKoi; crT6-

xoi;.

radar wave, pa06Kuµa· [ paoti:vrn­mcrnKov Kuµa}.

radarscope, paoocrK6nwv· { paoti:v­rnmcrnKT) crKonf]· crKonf]}.

radial, UK"ClVtK6i;,fj,6v.

radial acceleration, aKTtVtKil Em­nixuvcrti;.

radial curve, aKnVtKT] KaµnuAT).

radial distance, UKTtVtKil UTI:O<Y'l"Cl­crti;.

radial engine, UK"ClVtKOi; KtVT)Tf]p· { U<YT!:pO~l T)X,UVT]j.

radial function, MA0., aKnVtKTJ cruvapTT)crti;.

radial line, UK"ClVtKil ypaµµfj.

radial load, UK"ClVtKOV <popTiOV.

radial Mathieu function, MA0., a-KnVtKil µa9i;taVT) <YUVclpTTJ<Yti;• {aKnVtKil cruvapn1crti; TOD Ma­

n £}. radial motion, UK'l"l Vt Kil Ki VT)<Yti;.

radial quantum number, UK"ClVtKO<; aKpt~ocr,oi; (apt9µ6i;).

radial symmetry, UK"ClVtKT) cruµµi;­Tpia.

885

radial volocity

radial velocity, aKnvtK1) -rcixuvcru;.

radially, aKnVtKW<;.

radially related figures, aKnVtKW<; crximt;;6µeva crx11µa-ra. (:LYN.: homothetic figures).

radian, MA0., aKnvtaK6<;,ij,ov ( = TCOV aKnvicov).

radian, MA0., aK-rivtov. angle measured in radians, yrovia

~1 c:-rpouµ£vri de; &K-rivta. changing degrees to radians, µc:-ra­

-rpom'] µotpiiiv etc; &K-rivta. steradian, CHePUK'tLYLOY.

radian argument, MA0., aKnvta­KOV optcrµa.

radian measure of an angle, aKn­VtaKov µ£-rpov ycoviai;.

radiance, <DYL., aKnvopoA.11· {aKn-vopoA.tK6n1i;}.

radiancy, <DYL., aKnvopoA.tK6nii;.

radiant, aKnvoP6A.oi;,oi;,ov.

radiant emittance, <DYL., aKnvoP6-A.oi; EKpotK6n1i;.

radiant energy, <DYL., aKnvoP6A.oi; ilv£pyeta.

radiant energy density, 1rnKv6n1i; (-rfji;) aKnvoP6A.ou f:vepyeiai;.

radiant flux, <DYL., &Knvop6A.oi; pucrti;.

radiant heat, <DYL., aKnvop6A.oi; eepµ6nii;- [6nf. pu9poi; UK'tlVO­PoA.ia ].

radiant point, <DYL., aK-rtvop6A.ov miµefov.

radiant temperature, <DYL., aKn­vop6A.oi; 9ep~l0Kpacr{a.

886

mean radiant temperature, µtcrri &Kn voP6A.oc; 0c:pµoKpacria.

radiatioD

radiate, 1, aKnvopoA.w. 2, MA0., a Kn vouµm ( = EK-rd voµm ant­voet8wi;).

radiate from a point, MA0., aKn­vouµm {EKTelVOµat UK'tlVOct­bW<;} an6 nvoi; cr11µeiou.

radiation, <DYL., aKnvopoA.ia. black body radiation, 6.K-rtvoPoA.ia.

( rnii) µ£A.a voe; crroµarnc;. Cerenkov radiation, Kepc:vKoPtavit

6.Kn voPoA.ia· [ aK-rt voPoA.ia rnii Tcrc:­ptvKocp ].

characteristic radiation, xapaKTT]­ptcrnKi] &K-rt voPoA.ia.

continuum radiation, cruvc:x tKit [ cruvc:xoooµ1Ki]} 6.KnvoPoA.ia.

cosmic radiation, KocrµtKi] aKnvo­PoA.ia.

cyclotron radiation, KUKA.01pov1Kl\ aK-rtvoPoA.ia.

diffuse radiation, 01axurnc; 6.Knvo­PoA.ia.

electromagnetic radiation, llf•eKTpo­µayvT]nKi] &KnvoPoA.ia· {6.K-rtvoPo­A.ia· TJAEK'tpoµayYT]'tlKTJ EYEPYEta}.

enhanced radiation, £~T]pµEVJ1 UKn­voPoA.ia.

extraterrestrial radiation, e~roy11ivr1 [i:mc:pyriivri] 6.KnvoPoA.ia· {1.mc:pa­-rµocrcpmptKTJ <knvoPoA.ia}.

gamma radiation, yaµµanKi] 6.Kn­voPoA.ia· [6.K11voPoA.ia yaµµaj.

hard radiation, crKA.T]p6. UKTtvoPo­A.ia.

infrared radiation, U11:EpU0pO<; CtKTL­vopoA.ia. (LYN.: Jong-wave radiation).

isotropic radiation, tcr61pon:oc; <iKn· voPoA.ia.

long-wave radiation, µaKpoKuµa­'ttKTJ aKnvoPoA.ia.

microwave radiation, µtKpo Kuµa­TLKTJ 6.KnvoPoA.ia.

Mie theory of the scattering of electromagnetic radiation, µ1 c: 1av1'1 Oc:­ropia [0r,ropia rnii Mi'\} n:c:pi rnt> crKEoacrµoii Ti\<; TjA.c:K-rpoµayvqTtKf\<; aKnvoPoA.iac;.

net radiation factor, n:apayrov Ka-0apac; 6.KnvoPoA.iac;.

radiation belt

nocturnal radiation, VUKTeptvi] CtKTL­voPoA.ia· [opacrnKi] r riivri &KTtvoPo­A.ia].

nuclear radiation, n:upT]YLKTJ 6.KTl­voPoA.ia.

prompt radiation, wxicr111 CtKTL­voPoA.ia.

secondary radiation, oc:u1cpc:uoucra aKnvoPoA.ia.

short-wave radiation, PpaxuKuµa­nKi] aKnvoPoA.ia.

sky radiation, o\JpaYtKi] {OlCtXU!O<; oupav1Ki]} aKnvoPoA.ia.

soft radiation, µa A.aKi] 6.KnvoPo­A.ia.

spurious radiation, v60oc; aKTtYO· PoA.ia.

terrestrial radiation, r riivq UKTLYO­PoA.ia. (LYN.: eradiation).

tertiary radiation, Tpnaia [Tptro­yr,vi]c;} aKnvoPoA.ia.

thermal radiation, 0c:pµ1Ki] aK'tt· voPoA.ia.

ultraviolet radiation, imc:ptrooric; a­KnvoPoA.ia.

visible radiation, 6pa-ri] aKnvoPo­A.ia.

x-radiation, pmv1yKc:v1avi] &Knvo­PoA.ia· [ 6.KTivc:c; PaivTyKc:v].

radiation belt, aKnvoPoA.taK~ t;;ffi­v11· nrov11 UK'tlVOPoJ...ia<;}.

radiation constants, aKnvopoA.ta­Kai cr-ra9epa{· { cr-ra9epai UK'tl­vopoJ...ia<;}.

radiation function, aKnvopoA.taKl) cruvcipn1crti;· [ cruvcipn1crt<; &Kn­voPoA.iai;].

Planck's radiation function, n:A.av­Ktavi] UKTtvoPoA.taKi] cruvap1qcr1c;· { cruvapTqcrt<; QKTLVOPoA.iac; rnii TIA.6.vK}.

radiation Jaws, UK'tlVOPOAtaKOL VO­µot'{v6µot -rfj<; aKnvopoA.iai;j.

radiation pattern, aKnvopoA.taKOV 8taµ6pcpcoµa· [8taµ6pcpcoµa a­Kn vopoA.iai;].

radical product

free-space radiation pattern, tA.eu-0c:poxropaiov &K-rtvoPoA.1aK6v 01a­µ6pcproµa· {otaµ6pcproµa aKnvoPoA.im; eA.w0£pou xropou J.

radiation pressure, aKnvopoA,taK~ niecrii;· [niecrt<; (-rfj<;) aKnvo­poA,iai;].

radical, ptt;;tK6<;,ij,6v. hyperradical, un:c:ppt~LKO<;, i],6v.

radical, MA0., ptt;;tK6v. conjugate radicals, cru~uyi'j pt~ L KCt.

index of a radical, oc:iKTT]<; (wii) pt~tKOU.

irreducible radical, avayroyov [ µi] avayroytµov} pt~LKOV.

order of a radical, TCt~L<; (rnii) pt~LKOU.

simplification of radicals, iin:A.ou­cr1c:ucr1c; [ iin:A.on:oi11mc;} Tiiiv p1~1-Kiiiv.

radical axis, ptstKO<; al;cov.

radical axis of two circles, ptt;;tKO<; af,cov Mo KUKACOV.

radical axis of three spheres, pt­stKo<; USCOV TplWV crcpatpwv.

radical center, ptt;;LKOV Kf.v-rpov.

radical center of four spheres, ptt;;t­Kov Kf.v-rpov recrcrcipcov crcpm­pwv.

radical center of three circles, pt­t;;tKov Kf.vrpov rptwv KUKA.cov.

radical circle (of a system of circles), ptt;;LKO<; KUKAO<; ( crucrrij­~1arn<; KUKA.cov).

radical equation, ptt;;tK~ f:l;icrcocrii;.

radical expression, ptt;;tK~ napci­crracrii;.

radical plane of two spheres, ptt;;t­KOV bcineoov Mo crcpmpwv.

radical product, MA0., ptl;;tKOV yt­v6µevov.

887

radical sign

radical sign, ptl;:tKov cniµetov· ffro) pti;:tKOV}.

radical term, ptl;:tKoc; 6poc;. simplified form of a radical term,

anA.oucrn:pa { anA.oitotriµevq} µopcp1) tvoc; ptl;tKOU opou.

radical test for convergence, ptl;:t KTJ ~cicravoc; cruyKA.icreCDc;.

Cauchy's radical test for conver­gence, KOJcrEtavii p11;1Kii Bacravoc; cruyKA.icrEwc;· r ptl;tKii Bacravoc; cruy­KA.icri;roc; i:ou Krocru}.

radical theories (in mathematics), ptl;:ocrnacrnKai 8eCDpiat (-r&v µa-8T]µanKffiv).

radicant, MA0., un6pptl;:ov· [un6p­ptl;:oc; nocr6-rT]c;}.

radio astronomy, pa8wampovoµia· [ pa8tacr-rpovo~tia].

radio channel, pa8t0KUVVTJ.

radio command, pa8wnpocrwyti.

radio control, 1, pa8taKoc; £Aey-xoc; . 2, pablOXEtptcr~LOc;.

radio-controlled, pa8t0Kmeu8uv6-~1evoc;,T],ov· [ pa8weA.eyx6µevoc;, l],OV }.

radio direction finder, pa8t0yCDvt6-~1e-rpov· [ pa8teupe-riic;J.

rndio energy, pa8taKi) [ T]A.eK-rpo~ta­yvT]nKi]} £v£pyeta.

radio engineering, pa8taKi] [ pa8t0--rexv1Ki)} µTJxavo-rexvia.

radio guidance system, pa8t081ne­nKov cr6cr-rT]µa.

radio navigation, pa8t0vaunA.ia.

radio range, pa8t£K-raµa· [ pa8to­<,PCDV,tKov EK-raµa· pa8to<pCDVtKi] q1~eA.e1a· pa8taKov EKW~ta].

888

radius of a circle

radio waves, pa8taKU { xeprntavu} Koµaw.

, solar radio waves, i)A.wpaotuKa Kuµa·m.

radioactive, pa8tevepy6c;,6c;,6v· [a­~n ~epy6c;,6c;,6v· a Kn vevepy6c;, oc;,ov}.

radioactive constant, pa8tevepyeta­KTJ crw8epa· [ crta8epa pa8ti:­vepyeiac;}.

radioactivity, pa81ev£pye1a· [ aKn­vev£pyeta].

radiofrequency, pa8wcruxv6-rT]c;.

radiometric magnitude, pa8wµi:­-rpt KOY µ£ye8oc;.

radiometry, pa8wµetpia· [a Kn vo-µetpia }.

radionuclide, pa8wnupT]vi8wv.

radiosonde, pa8t0~0A.ic;.

radius, MA0., aK-ric;. angular radius, yrovtuKTi aKnc;. atomic radius, ai:oµtKTi UK'tic;. Bohr radius, BoXPtavii aK1ic;· [&.-

K1ic; (i:ou) Mnop]. characteristic Larmor radius, xa­

paK1qp1cr11KTi A.apµoptavTi 6.K1ic;· [xa­paK1qp1crnKii aK•ic; i:ou Aapµopj.

circle of unit radius, KUKA.oc; µova­otuiai;; UK1i voe;.

focal radius (of a conic), fonaKTi UK1ic; (KOJVLKijc; 1:0).tijc;).

geodesic radius, yi;rooatcrtaKil a­K1ic;.

Ion~ ,rad.ius (of a regular polygon), µaKpa aKnc; (KUVOVLKOU itoA.uyrovou).

sho~t ra,diu.s (of a regular polygon), BpaxE1a aKnc; (Kavov1Kou noA.uyro­vou).

radius of a circle, aK-ric; KOKA.ou.

radius of a circle circumscribed about a regular polygon, aK-ric;

radius of a circle

K6KA.ou neptyeypaµµ£vou eic; Ka­vovtKov noA.6yCDvov.

radius of a circle circumscribed about a triangle, aK-ric; KOKAOU neptyeypaµµ£vou eic; -rpiyCDvov.

radius of a circle inscribed in a regular polygon, aK-ric; KOKAOll £yyeypaµµ£vou de; KUVOVtKOV noA.6yCDVOV.

radius of a geodesic circle on a surface, aK-ric; yeCD8atcrtaKOU KO­KA.ou (£ni) £m<paveiac;. (l:YN.: geodesic radius).

radius of a sphere, aK-ric; (-r1'jc;) cr<paipac;.

radius of convergence, aK-ric; cruy­KA.icreCDc;.

set of associated radii of conver­gence, cruvoA.ov cruvacprov aK1i vrov cruyKA.icri;roc; (µtfic; crEtpfic;).

radius of convergence of a power series (in the complex domain), aK-ric; cruyKA.tcrcCDc; bUVUµtKfjc; cretpfic; (£v -ri] µtya8tKi] nepw-XiJ).

radius of curvature, aK-ric; Kaµnu­AO'tT]'tOc;.

principal radii of curvature (at a point on a surface), npro1Euoucrm aK1ivi;c; KaµnuA.611'\i:oc; (Etc; n crqµEtoV Emcpavi;iac;).

radius of curvature of a space curve at a point, UK'rtc; Kaµnu­AO'rT]'tOc; XCDpaiw; Kaµn6A.11c; etc; n crriµdov.

radius of geodesic curvature, UK'tlc; yeCD8atcrtaKfjc; KaµnuA.611Foc;.

radius of geodesic torsion, ax-ric; yeCD8atcrtaKi'\c; cr-rp£1j1eCDc;.

radius of gyration, MHX., aK-ric; yu­po8poµfjc;· [ ax-ric; Mpaveiac;].

radix complement

radius of gyration of the cross section, UKtic; yupo8poµfjc; [a­K'tic; Mpaveiac;] -rfjc; 8tawµfjc;.

radius of inertia, = radius of gyra­tion.

radius of normal curvature of a surface at a point (in a given direction), UK-ric; ( -rfjc;) op8o8£­'t0ll KaµnuA.6-rT]'tOc; µtfic; £m<pa­veiac; el'.c; n crT]µetov -rT]c; (Kai npoc; 8o8dcrav 8w68uvcrtv).

principal radii of normal curvature of a surface at a point, npro1i;uoucrm aK1ivEc; 6p0o0ti:ou KaµnuA.61qi:oc; E­mcpavEiac; Elc; 11 crqµEiov.

radius of second curvature of a space curve at a point, aK-ric; 8eu1£pac; KaµnuA.6-rT]-roc; Kaµn6-A.T]c; 'tOU xropou de; n crT]µEtoV.

radius of the circle of convergence (of a power series), anic; wu K6KA.ou cruyKA.icreCDc; (8uvaµtKfjc; cretpfic;).

radius of total curvature (of a surface at a point), aK-ric; 6A.t­Kfjc; KaµnuA.611110c; (£m<paveiac; de; n crT]µetov).

radius of torsion of a skew curve, aK-ric; cr1p£1j1eCDc; cr-rpe~A.fjc; rnµ­n6A. T]c;.

radius of torsion of a space curve at a point, aK-ric; cr1p£1j1eCDc; Kaµ­n6A.11c; wu x;ropou de; n <rT]µetov.

radius vector, Al:TP., MA0., a­vucrµanKll {£m~anKit] aK-ric;.

radix, 1, pisa. 2, pisa [~ucrtc;J (apt8µtKou crucr-riiµawc;). (l:YN.: base (of a number system).

radix complement, cruµnA.iipCDµa pi-sTJc;· { ptstKOV <rll~L7tAflpCDµaJ.

889

radix fractions

radix fractions, KA.cicrµam (c'i>pt­crµtvric;) Pis ric;· [ KMcrµam ( ro­ptcrµtvric;) Pcicreroc;].

radix minus one complement, cruµ­rrA.ij proµa Pis11c; µeiov £v· { Ptst­Kov µefov sv croµrrA. ij proµa].

radix notation, MA0., ptstKi] crri­µetoypacpij· [ crriµetoypacp1) P<i­cret Pis11c;}.

radix number, ap18~16c; pisric;· [Pisa ap18~1ou].

mixed radix number, cip10~16i; µ1-K1fji; pi~lK f apt0µ6i; µtKi:fji; f3<icrE­roi;j.

radix of a mortality table, LTAT., AL<I>.MA0., Pisa [p&mc;] rri­vaKoc; 8vricr1µ6tT)toc;.

radix point, MA0., miµetov pis11c; ( = un:ocrnnti] i1 un:o8tacrtoA.i] apt8µtKOU crocrtijµatoc;).

radome, pa068oA.oc;.

Radon (J.K.A. -), (Ts.K.A.) Pcivrnv ( = crunpovoc; yepµavoc; µa.8ri­~lUttJC6c;).

Radon measure, pa8ovwv6v µt­tpov· [ µt-rpov mu Pcivtov].

raise to a power, U\j/rovro Eic; Mva.­µLv.

raise to the square, to the cube, etc., U\j/rovro Eic; to terpciyrovov, tov KUPov, K.r.A..

raising to a power, U\j/rocrtc; Eic; M­vaµw.

raising to the square, to the cube, etc., D\j/rocrtc; e1c; to rerpciyrovov, -rov K6Pov, K. t.A..

RAM, = Random Access Memory.

Raman (Sir Chandrasekhara V. -), (.Lf:p Tcravrpacrtxapa B.) Pciµav (= LVbO<; <p0crtK6c;· 1888-1970).

890

random amplitude distribution

Raman effect, <DYL., paµavwvov £vrurrroµa· [ cpmv6~Levov -rou Pci­µav j.

ramification, 8tadci8rocrtc;. point of ramification, crT]µEtov 01a­

KAaoc:ilcreroi;. (1:YN.: branch point).

ramjet MHXT., auA.aeptro8ri-ri]c;· [8A.mtoPA.ucrri]c;· 8A.trttopA.ocrn­Koc; Ktv11riJp].

ramjet engine, = ramjet.

ramp, MHX., avroyij· [KeKA.1~1tvov £n:irre8ov· pciµn:a].

Ramsey (Frank Plumpton-) (<DpctvK: ITMµrrtov) PciµsTJ ( = crunpo­voc; Ppemvoc; µa8riµanK6c;).

Ramsey's number, pa.µcreta.voc; a­pt8µ6c;"[ap18µ6c; mu Pa~1s11J.

random, MA0., '!OXaioc;,a,ov. at random, l, wxairoi;· [Kai:a i:u­

x11v }. 2, E[Kij Kai mi; EWXEV.

disturbance random in nature, i:u­xaiai; <pucreroi; otampaxi'J.

random access, AOI'I.LM., '!OXafct rrp6crPacrtc;.

random access memory, AOI'ILM .• toxawpanKi] µv11µri· [µvi]µ11 -roxaiac; rrpocrPcicreroc;].

random access programming, AO­I'I.LM., toxmopa.nKoc; rrpoypaµ­µtcrµ6c;· [ rrpoypaµµ1crµ6c; '!OXa.i­ac; rrpocrPcicreroc;].

random access storage, AOrII:M. , '!OXatoPa.ttKi] ano8ij Keocrtc;· {a­no8ij Keocrtc; -roxa.iac; rrpocrpcicre­roc;].

random amplitude distribution, MA0., LTAT., toxafa. eupm) Kamvo~tij· [ Kamvoµi] -roxaiou eupooc;j.

random deviate

random deviate, I:TAT., '!OXaia bL­eKtporrij.

random digits, I:TAT., MA0., '!0-

xata \j/T)<pia. tables of random digits, nivaKEi;

i:uxairov \lfTJ<pirov.

random error, MA0., -roxatov crcpciA.µa ( = crcpciA.µa to 6n:otov l)i;v eivm crcpciA.µa crucrrij µa toe; i'J areA.eiac; opycivou, µri8e {mo­KetµevtKov M8oc;, mistake).

random excitation, tuxaia 81tyep­crtc;.

random impulses, tuxa.tat 6pµffi-cretc;.

random line, -roxa.ia ypaµµij.

random motion, '!OXaia Kiv11crtc;.

random number, MA0., -ruxatoc; apiSµoc;.

generation of random numbers, revecrii; (i:&v) wxairov cipt0µ&v.

table of random numbers, nival; i:uxairov apt0µ&v.

transformations of random num­bers, µEmcrxTJµancrµoi (i:&v) i:uxairov apt0µ&v.

uniform set of random numbers, 6µ016µop<pov cruvoA.ov i:uxairov apt0-µ&v.

random number generator, MA0., yevtretpa roxairov apt8µ&v.

random number sequence, MA0., UKOAOU8ia. wxairov apt8~t&v· [ wxaia ap18µ1Ki] UKOAou8ia ].

random point, tuxatov cr11µetov.

random process, <DYL., '!OXaia µe­myroyij. (I:YN.: random walk).

random sample, -ruxa.tov 8eiyµa. stratified random sample, 1:TAT.,

ot<icri:proi:ov i:uxarov cr<p<iA.µa. systematic random sample, 1:TAT.,

crucri:T]µanK6v i:uxarov crcp<iA.µa.

randomize

random sample testing, I:TAT., 80-Ktµl) -roxaiou 8eiyµarnc;· [w­xmo8e1yµanK1) boKtµijj.

random sampling, -ruxa.ia 8e1n1a­toA.ri~1[a.

random sampling as method of calculation, I:TAT., ruxaia 8et­yµatoA. 11 ljlia roe; µt8o8oc; U7t0-A.oytcrµou.

random-sampling numbers, -roxaw-8etyµattKoi apt8~tOi.

random sequence, '!OXaia aKoA.ou-8ia.

random sequence of values, tu­xaia UKOA.ou8ia ttµ&v.

random step function, -ruxmoP11-~tanKi] cruvcipr11cric;· [ cruvcipt~­crtc; -ruxaiou PiJµaroc;· wxmct P11µanKi] cruvciptT}crtc;}.

random variable, LTAT., MA0., wxaia µemPA.11riJ. (LYN.: var­iate).

random vector, ruxatov avucrµa.

random vibration, -ruxatoc; Kpa.­<>acr~L6c;.

random walk, toxatov Pci81crµa.· [ roxawpacr(a ].

relation of random walk to Dirichlet problem, crxei:tcrti; [ crxe'!_ii;J -rux.mo­f3acriai; Kai otptKAEnavou npof3AT]µa­-roi;.

two-dimensional random walk, ot-01<icrm1:0i; i:uxmof3acria.

random walk principle (in modern physics), apxiJ tfjc; -ruxa.wpacri­ac; (tfjc; CTOYXPOVOU <pO<rtKfjt;).

randomization, tuxmo8tt11cr1c;· [ '!O­X mo A.On crtc;}.

randomize, -rux,mo8er&· [ -ruxawA.o­y& j.

891

randomized blocks

randomized blocks, -rux.atoEle-rl]µE­va f'ttlxaw"A.oYl]µEva] -rsµaxri.

randomly, LTAT., 'ttlXairoi;.

randomly oriented in time, -ruxairoi; Ka-ru xpovov suEle-rl]Eleii;,si'.cra, EV.

impulses randomly oriented in time, MHXT., 6pµchcrnu; i:uxaioo<; Kai:a xp6vov cU0ci:ri0ctcrat.

randomness, LTAT., MA0., rn­xm6tl]i;.

randomness of destructive seisms, 'tUX<ltOtl]i; t&v KUtacrtpe1tttK&V crstcrµ&v.

range, l, MA0., LTAT., SKta~La ( = a, owcpopu µsrn~u µeyicrmu Kai e"A.axicrmu ooElEvmi; cruv6-AOU aptElµ&v· ~' SKtami;, art6-crtacrti;, ll UKtii; EVepyeiai;). 2, BAHT., eµ~EAet(l" {sKt(l~[(l" Pe­Al]VeKEi;j. 3, <DYL., l:Ktaµa· [l:Ktami;· Otanacr&v]. 4, l:Ktaµa ( = rcsoiov· TteptoxiJ).

892

audiofrequency range, i:Ki:aµa a­KoucrnKi'\<; cruxv6111w<;. (:EYN.: audio­range).

continuous range, cruvcxi:<; EKi:aµa. deformation range, MHXT., n:apa­

µop(f)OOttKOV EKi:aµa· [EKmµa (i:f\i;) n:apaµop(f)ciicrcooi;].

dynamic response in the post-elastic range, MHXT., 8uvaµLKi] avi:im~L<; Kai:a 16 µci:cA.acri:LKov EKi:aµa.

error range, EKwµa cr(f)aA.µaw<;. expectation of the variable x over

the range a to b, n:pocr8oKia [ µa0riµa-nKi] n:p6PA.cwti;] c.bi; n:po<; i:i]v µci:a­PA.11i:i]v x ava 1:0 EK1:aµa a µtxpl p.

ground range (of a bomb), eµPt­A.cw eM(f)ou<; (acpon:optKi'\<; P6µPa.;) .

half-range series, MA0., TiµteKi:a­µai:tKi] crcLp6.· [ crctpa TiµtcKi:6.µawi;].

harmonic range, apµOVlKOV EK1:U­µa.

interquartile range, 8wi:ci:api:riµo-

range attenuation

ptaKOV EKWµa ( = ,, an:6cri:acrt<; µc­w~\J n:pchi:ou Kai i:piwu i:ci:api:qµo­piou µtii<; Kai:avoµiji;).

long-range navigation, µaKpo81<i­crmwi; vaunA.ia· [ vaunA.ia µaKpoi> EK16.µawi;· µaKpovaui:LA.ia· A.op6.v ].

loop range, PAd., PPOXLKOV [Ku­KAT]µanK6v} EKi:aµa.

luminous range, <fJOOWPoA.ia· [ (j)OO­wpoA.i]}.

mean value of a function over a given range, µtcri1 nµi] cruvapi:i]crcooc; i';n:i 8o0i:v EKWµa.

night visual range, i:Ki:aµa 6pai:6-i:riwi; VUK1:0<; .

omnidirectional range = omni­range.

plastic deformation range, MHXT., EKmµa n:A.acrnKiji; n:apaµop(f)ciicrcoo<; .

post-elastic range, MHXT., µci:c­A.acrnK6v EKmµa.

radar range, pa8tcvwmcrnK6v EK­wµa· f paOleVWmcri:LKTJ eµptf..cta}.

radar range equation, e~icroocrtc; pa8u:vwmcrnKou EKi:6.µawi;.

radio range, pa8LtKi:aµa· [ pa8to­<flOOVtK6v EKi:aµa].

sequential collation of range, PA­dlENT., UKOAOU0T]nKi] avnn:apaPo­A.i] wu i';Ki:<iµaw.;· [crucri:riµa EKmµa­nKi'\<; UV1:l7tapapo/..iji;}.

short-range navigation, ppaxu81<'.t­cri:aw<; vaunA.ia· [vaui:tA.ia Ppaxtoc; i';Ki:6.µawi;· ppaxuvaunA.ia· crop6.v ] .

slant range, PAd., an:ocri:qµanKOV EKmµa· [ an:ocri:riµai:tKll £µPtA.eLa].

softening range, <l>Y:E., n:/,a8apo­'tLK6v EK'taµa.

transonic range, µci:rixrinK6v [ µc­wrixrinKov} EKi:aµa.

true range, aA.110i:i; EKmµa· [n:pa­yµanKOV PcA.qvcKt<;].

visual range, 6pai:tK6v EKmµa· [eK­i:aµa 6pai:6i:rii:oi;].

range approaching failure, MHXT., sKtaµa rcpocreyyi1;;ov tu 6pta. -rfji; arco-ruxiai;.

range attenuation, PAMENT., EKta­µmlKl'J e~acrElEVtcrti;.

range error

range error, PAMENT., EKta~La­ttKOV crcpa"A.µa· [ crcpa"A.µa EKta-µami;].

range gating, PAMENT., eKta.µa­ttKl) Elupayia.

range of a function, sKrnµa (tfji;) cruva pti] crsroi;.

range of a telescope, sKta~La [e~t­~EAeta 1 'tl]AE<JKOrtiou.

range of a transformation, l:Ktaµa {i:K-rami;] (mu) µs-racrxl]µan­crµou.

range of a variable, l:K-raµa (tfj<;) µi:ta~A. lJ-rfji;.

range of balanced error. AOrn::M. , l:Ktaµa {crocr-raElµtKOU crcpa"A.~ta­mi;.

range of influence, sKtaµa {l:Kta­crti;] (-rfji;) emppofj i;.

range rate, THAEM. , ownµi'J (a"A.­A.ayfji;) EK-raµatoi;.

range sweep, <DYL., EK-raµanKll avapptrti].

range theory of probability, EKtaµa­nKl) mElavonKl) Eli:ropia· [ hta­µanKl) Eli:ropia -r&v mElavo-ri]­-rrov].

range wind, BAHT., EKtaµanKo<; t'ivi:µoi;.

ranging, 1, MA0. , MALT. , EKtayi'J ( = µE-rpl]crti; 11 emcri]µavcrti; EK­-raµami;). 2, £µ~i:A.i:iacrti; ( = KaEloptcrµoi; eµ~i:A.eiai;). 3, EVt6-mmi;· [evtomcrµ6i;}.

correlation tracking and ranging, crucrxei:tKTJ txvcucrt<; Kai £vi:6mcr1.;· [ crucri:1iµa crucrxcuKi'\<; txvcucrcooi; Kai i';vwn:icrcooi;].

Doppler ranging, 8on:n:A.cptavi] CK­i:ayi] · ]8omtA.cptav6v £vwmcri:tKOV crucrn1µa].

Rankine (William J.M. -)

ranging pulse, EKtaµanKoi; [evm­mcrnKoi;] na"A.µ6i;.

rank, 1, suy6i;· [ crtoi'.xoi;]. 2, ~6.El­µl]µU ( = a, ~aElµoi; iepapX,tKfj<; K"A.iµaKoi;· ~, cri:tpu rcpotspm6-n1mi;).

rank and file, ( = SllYOl Kai <J'tLXOt)• (ii) 6M-rl]i; (ouvaµi:roi;, 6µ6.ooi;, K'tA.).

rank correlation, MA0., crwtXlJPU crucrxEncrti;.

Spearman rank correlation, crwt­XllPU crucrxtnmi; wu :En:i]pµav.

rank of a complex, MA0., ~6.Elµl]µa cruµn"A.Enta-roi;.

rank of a congruency, MA0., ~6.­Elµl]µa (mu) crµi]voui;.

rank of a determinant, MA0., ~6.­Elµl]~La (-rfji;) 6ptsoucrrii;.

rank of a matrix, MA0., ~6.Elµl]µa (mu) µi1-rpdou.

rank of a ruled surface, MA0., ~6.­Elµl]µa (tfji;) i:Mi:toyi:voui; em­cpavdai;.

rank of a skew curve, MA0., ~6.­Elµl]~La (tfji;) crtpi:~A.fji; Kaµn0-Al]<;.

rank of a variable, MA0., crmt:x,oi; [Suyoi;J µi:rnP"A.TJtfli;.

ranked, MA0. , crm1xo"A.oyl]µ8voi;, l],OV" {Suyo"A.oyl]µEVOi;,l],OV].

ranked variables, MA0., crm1xoA.o­YlJ~LEVat £Suyo"A.oyl]µ8vat] µi:ta­pA.l]tai.

Rankine (William J. M. -), (rou­"A.te"A.µoi; Ts. M.) PavKiv ( = crK&'tO<; µl]XUVO'tEXVl]<; Kai cpu­crtK6i; · J 820 - 1872).

893

Rankine cycle

Rankine cycle, pavKtvtavov KUKA'l']­µa · {KUKA'l']µa 'l'OU PavKfvj.

Rankine temperature scale, <DYL., paVKL VLUVTJ ei::pµoµi::rpLKTJ KAl­µas· [(9i::pµoµi::rptKTJ} KA.1µas 'WU PavKiv].

Rankine vortex, pavKtvwvT) 8iv1r { crrp6PtA.oc; rou PavKiV }.

ranking, Pa9µ1']crt c; · [ii::papxricrtc;} ( = Kararal;tc; Kara cri::tpuv npo-1i::pm6n1'l'Dc; 11 npopa.8icrµa'l'Oc;· fopapxtKTJ 8wPa9µtcrtc;).

rapid access loop, wxuPanKoc; ppoxoc;-fraxuPanKov KUKA'l']µa· ppoxoc; rnxi::iac; npocrPacri::coc;J.

rapid equalizing of pressures, w­XEta uvncrra9µtcrt c; [ rnxi::i'.a ani­O'COO'tc;] r&v mfoi::cov.

rapid release of (a large amount of energy), WXEta U<pEO'Lt; (~LEYUAllt; nocr6r1']'l'Oc; £vi:: pyi::iac;).

rapidly, wxt coc;.

rapidly convergent series, wxtcoc; cruyKA.i voucra cri::tpa.

rapport, MA0. , crxi::ncr~t6c;.

double infinite rapport, 8mA.oiic; iimnpoc; crximcrµ6 c;.

rarefaction, <DYL., &paicocrtc;.

rarefaction phase, <DYL., q>acrtc; apatWO'ECOt;' { apVl]'tlKTJ q>acrtc;}.

rarefaction wave, Kuµa &pmwcri::coc;· [ Kuµa 8tacr'l'OA.fjc;j.

centered rarefaction wave, <I>Y:L, Kevi-pooOev Kiiµa 6.pau.Ocri:ooc;.

rarefied gas dynamics, OUVUµLKTJ r&v &pmcoµtvcov &i::picov.

raster, THAEOll., 1, KOKKiocoµa . 2, KOKKtOCOO'l t; .

894

rate

raster line, THAEOll., KOKKtoo­ypaµµft.

rate, MA0., 1, &/; tonµ&. 2, 8ta­nµ&.

rate, MA0. , 8tanµT) ( = nµT) npa­yµa'l'Oc; Wt; 7tpoc; TTJV µOVUOU µ1ii c; pacri::coc;).

autoconvective lapse rate, a\noµ i:­i-ayooyLcrtaKi] ·nµi] Oi: pµo1mocr i:ooc; .

birth rate, yi:vvT]nK6T1K [ oe iKTTJ<; yi:vvT]nK61T]1:0c;].

bit rate, Aorn:M., ouolj/T]<pLKi] om­nµi].

burning rate, omnµi] <p A.i': ~i:ooc; (7tpooo0T]TLKOU).

central death rate, KeVTpLKij OvT1-crtµ6TT\<;.

clock rate, XPOVOµeTpLKij Otanµi] . closing rate, 8mnµi] npocri:yyi­

cri:ooc;· [otaTLµi] 7tAT]crtacrµoii]. collision rate, otanµij crUyKpoucr&­

ooc; · [ <JUXVOTT] <; cruyKpOU<JeOOV ]. condensation rate, 8taTLµi] cruµnu­

Kvfficri:oo:;. crude birth rate, cl>µi] [ &.vrniA.&­

Kto<;} yi:vvT]nK6TT]<;. death rate, OvT]TOTT]t;' [0vT]crLµ6111c;·

oeiKTTJ<; OvT]crtµ61T]1:0c;] . discount rate, OIK., o taTL~Li] npo&­

~o<pA.i]cri:ooc;· [ 7tp0e~O(jlAT]HKOV tm­TOKLOV } .

distance-rate-time formula, om1u-7tOOµa [ i-unoc;] &.nocri-&.cri:ooc;-pu0µoii­XP6vou.

dry-adiabatic lapse rate, ~11Palita­f3a1LKi] otanµi] Oi:pµ07tTOJ<JeOO<;.

environmental lapse rate, 7t&p1-f3a A.A.ovnKi] Otanµij 0epµ07tTOJ<J eOO<; .

error rate, AOrI:EM., oLai-tµi] cr<p&.A.µai:oc; .

evaporation rate, 8wnµi] t~atµi­cri:ooc;.

impingement rate, otattµi] npocr­Kpoucri:ooc;. (LYN.: rate of incidence).

interest rate, OIK., otai-tµi] i:6Koo· [emi:6KLOV].

lapse rate, 8tanµi] 0i:pµoni:rocr i:ooc; . mass flow rate (per unit area), 8ta-

r ate of change

nµi] µa~tKf\ <; poi;c; (Kai:&. µovaoa t µf3aooii) .

maximum evaporation rate, µi:y icrtTj 8wnµi] t~ai:µicri:ooc;.

perforation rate, omnµi] otai:pi]­<JeCO<;' {otaTpT]nKij Otanµi]j.

prevailing interest rate (for a given investment), (6) i:pt xoov i:6Koc; [(16) tv icrxui:1 t m16Kt0v] (01&. 8o0l':v dooc; eni:vo\Jm;co:;).

process lapse rate, µi:i:aycoytKi] 8tai:1µi] 0i:pµoni:rocri:co c;.

pulse repetition rate, AOrILM., 8wnµi] naA.µ1Kii<; tnavaA.i]ljleooc; · [8m­i:1µi] naA.µrocri:ooc;].

punching rate, AOrILM., i:pT]nKi] 8wnµi]· {otai-Lµi] i-poni]µai:oc; (oi:A.­i:apioov)].

range rate, THAEM., omnµi] (&.A.­A.ayf\c;) tK1aµa1:0c;

reading rate, AOrILM., 8mnµi] O.vayvrocri:ooc;· [ &.vayvoocrnKi] 8mn­µi]j .

rediscount rate, OIK., &.vanpoi:­l;o<pAT]nK6v emTOKLOV.

refined death rate, owA.oytKll 0vT]­<nµ6111 c; .

reset rate, omnµi] &.vai-&.~i: ooc;· [ <i­vamKTtKi] Otanµi]j.

sampling rate, 8tanµi] 8i:tyµa1:0A.11-'Jf[ac;· {oi:tyµatoAT]7tTtKi] omnµ1]}.

saturation-adiabatic lapse rate, KO­paomf3anKi] [uypa8taf3anKi]] 8m­i:1µi] Oi:pµoni:rocri:ooc;.

selected birth rate, omA.oytKi] [tni­AeKi:oc;] yi:vvT]nKOTT]<;.

selected death rate, OtaAOYlKD {err.[­AeKW<;} OvTjcrtµ61T]c; .

signalling rate, AOrILM., cr11µai:tKi] 8mnµi] · [oiai-tµi] crT]µai:oooi:i]cr i:coc;] .

superadiabatic lapse rate, 6ni:paom­f3anKi] 8tanµi] Oi:pµoni-rocr i:ooc;.

tracking rate, PA!1IENT., ixveun­Ki] otanµi]· {otanµij LXVeUO"eOO<;}.

weight flow rate, otai:tµi] f3ap1m­Kii<; poi;<;.

word rate, AOrI:EM., A. i:~1Ki] [/...e­~t8onKi]] otanµi].

rate of change, otanµT) [ pu9µ6c;} &A.A.ayfjc; .

rating

instantaneous rate of change, 0:­Kapiaia otanµij 0:/.../...ayfjc; .

time rate of change, xpovtKii O'a­TLµi] (i:f\ <;) <i/.../...ayf\<; .

rate of change measurements, Ka­raµi::rpi]cri::tc; -rfjc; 8tanµfjc; (-rfjc;) &Uayfjc;.

rate of change of a function at a point, 8tan~LTJ &Uayfjc; (µtiic;) cruvap-ri]cri::coc; de; n crriµi::iov.

rate of decay, 8tanµT) [ pu9µ6c;J napaKµfjc;.

rate of decay (of the damped vibration), MHXT., 8tanµT) na­paKµfjc; (-rou &nocrPi::vvuµtvou Kpaoacrµou).

rate of evaporation, 8tanµT) [ pu-9~Loc;J £1;a-rµicri::coc;.

Knudsen rate of evaporation, Kvou8-crevtavi] otai-tµi] t~ai-µicri:coc;· [oia­nµi] t~ai-µicreooc; 1:0\i Nwiivmi:v ]. CEYN.: maximum evaporation rate).

rate of exchange, OIK., nµT) {ota­nµT)] -rou cruvaUayµa'l'Oc;.

rate of incidence, OLanµT) npocrn-rw­cri::coc;. (LYN.: impingement).

rate of interest, OIK., 1rncrocr-r6v [otan~nlJ t6Kou· [£mt6KLOV ].

rate of living, 81anµ11 8taPtcilcri::coc;· [ pu9µ6c; (,cofic;J.

rate of mortality, "LTAT., 8tanµl) 9Vl]'tO'tl]'tOt; ' {9V1']0'tµ6't1']c;}.

rate of strain release, MHXT., 8ta­nµT) aq>tcri::coc; tfjc; £m-racri::coc;.

rate per cent, ownµl) [nµT)] (£ni) 'l'Olt; f:KU'tOV. . .

rating, 1, &l;to-rfµl]crtc;. 2, pae~1i8co­crtc; ( = Ka-raw1;1c; ft 81aw1;1c; Ka-ru paeµouc; ft paeµf8ac;). 3, paeµoA6yricr1c; ( = 8taPa9µmn-

895

\

ratio

Ki'j a~t0tiµ11cni; i:pyou 11 E1tt­ts0yµarnc,).

ratio, MA0., Myoc,.

896

anharmonic ratio, avapµOVlKO<; /...6-yoc;.

an harmonic ratio of four complexes, uvapµOVlKO<; /...6yoc; i:ecrcraprov cruµ-7tAt:yµa'tWV.

anharmonic ratio of four lines, avapµOVlKO<; { cr1aupro16c;j f...6yoc; 'tt:cr­craprov t:u0w'i'lv.

anharmonic ratio of four ordered points abed on a straight line, avap­µovtK6c; [ crrnupro16c;} A6yoc; (1oov) 'tt:crcr<iprov E7ti t:u0t:tav 8ta1t:1ayµtvwv crriµEirov al3y8.

anharmonic ratio of four planes having a common line, avapµovtKoc; [ crrnupro16c;} 'A6yoc; 'tt:crcr<iprov !:m-7te8rov f;x,6V't(J)V KOlVi]V t:U0t:i:av.

anharmonic ratio of (the) four points, uvapµOVlKO<; { O"'taUpW'toc;j A6yoc; (1oov) 'tt:crcraprov crriµdrov.

aperture ratio, CI>YE., avotyµanKo<; /...6yoc;· {/...6yoc; avoiyµat0c;].

aspect ratio (of an airfoil), AEP., 8tarnµa [/...6yoc; 'At:7t161rit0c;} (ui:po­t0µijc;).

branching ratio, CI>YE., XHM., A6yoc; 8ta1Cf...a8oocrt:roc;.

compound ratio, MA0., cruµµtKTO<; A6yoc;.

correlation ratio, /...6yoc; crucrxi:1i­cri:wc;.

critical ratio, IT AT., Kpicrt.µoc; A6yoc;.

cross ratio, crrnupro16c; /...6yoc;. (IYN.: anharmonic ratio).

damping ratio, MHX., CI>YI., /...6-yoc; U7tocrl3fot:roc;.

deformation ratio, MHXT., A6yoc; 7tapaµopcpoocrt:roc;.

direct ratio, i:u0uc; A6yoc;. direction ratio, MA0., A6yoc; 8ti:u-

0uvcrt:roc;. distribution ratio, CI>YE.XHM., /...6-

yoc; µt:ptcrµoD· [A6yoc; Karnvoµijc;} . division ratio, /...6yoc; 8tmpfot:roc;. double ratio, bl7tAOD<; A6yoc;· [ crrnu­

pro16c; A6yoc;].

ratio

duplicate ratio, bl7tAOD<; A6yoc;. duty ratio, A6yoc; E~U7tflpt:1 t']crt:roc;.

effective aspect ratio, AEPO~ .• 8pacrnK6v 8ta1aµa {8pacr'ttK6c; A.6-yoc; 'At:m61rit0c;} (1ijc; 6.t:pot0µf\c;).

effective slenderness ratio, 8pa0"1:t­K6c; A6yoc; /...uyrip61rit0c;.

effectiveness ratio, A.6yoc; 8pacrn­K611Foc;· {A.6yoc; U7tOTt:A.wµu.nK6Tri­w c; ].

ellipticity:ratio, A6yoc; !:Ut:l7tnK6-TfltO<;.

error ratio, MA0., A.6yoc; crcpa'Aµu.­roc;.

exponent of a-ratio, EK0trric; (1ijc;) uvu.A.oyiu.c;. -

external ratio,: i;~ro1t:ptK6c; /...6yoc;. extreme (and mean) ratio, a1Cpoc;

(Kai µfooc;) A6yoc;. fineness ratio, MHX., A6yoc; A.t:-

7t161rit0c;. geometric = ratio, yt:roµt:1ptK6c; A.6-

yoc;. geometric slenderness ratio, yi:w­

µt:rptK6c; A6yoc; 'Auyrip6rri1oc;. harmonic ratio, apµOVLKO<; A.6yoc;. height-to-width ratio, 'A6yoc; Ulj/OU<:;

7tp6c; 7tA<it0c;. homothetic ratio, 6µow0t:nK6c; /...6-

yoc;· [/...6yoc; 6µow0t:criac;] . impedance ratio, HAEK., A6yoc;

7tapaK(J)AU'tLKO'tfltOt;. internal ratio, i;crro1t:pt1C6c; /...6yoc;. inverse ratio (of two quantities).

uv1icr1pocpoc; A6yoc; (8uo 7tocrott']mv). lift-drag ratio, AEP~., A.6yoc; avoo­

crt:roc;-6mcr0oA.Kijc;. likelihood ratio, :ETAT., A6yo; m-

0avf\c; !:A.7ti8oc;. linear deformation ratio, MHX.,

A6yoc; ypaµµtKijc; 7tapaµopcpoocrt:roc;. magnification ratio, MHX., A6yoc;

µi:yi:0uvcri:wc;. man-land ratio, OIK., A6yoc; 7tAT]-

0ucrµoD-7t6 prov. mass-charge ratio, A6yoc; µa~11c;­

cpop1icrt:roc;. mass ratio, µa~tK6c; A6yoc;· [/...6-

yoc; µa~ric;J .

ratio

mass-velocity ratio, A6yoc; µa~ric;­'taxuvcrt:roc;.

mean ratio, µfooc; /...6yoc;. mint ratio, OIK., µi:rnUtK6c; A6yoc;

(8tµt:rnA'AtKijc; l3acri:wc;). mixed ratio, µtKtl'j ava'A.oyiu.. mixing ratio, A6yoc; avaµi~t:roc;. mixture ratio, A6yoc; [avaA.oyia]

~tiyµat0c;.

nozzle contraction area ratio, A.6yor;, i;µl3aoOD aKpO<pUO"taKf\t; O"UO"TOAf\t;.

nozzle expansion area ratio, /...6yoc; i;µl3aooD aKpocpucrtaKf\c; Otacr'tOA.ijc;.

operating ratio, AOrIIM., A6yor;, A.t:noupylKO'tlFOc;.

payload mass ratio, = mass ratio. Poisson's ratio, 1tOUacrcrovwvi] ava­

A.oyia· [/...6yoc; 'tOD Ilouacrcr6v}. probability ratio, m0avonK6c; A.6-

yoc;· {A.6yoc; m0av6t1Foc;· A.6yoc; m-0avott']trov}.

propagation ratio, CI>Y:E., A6yoc; 7tpoayroyijc;· [/...6yoc; 8ta86crt:roc;].

propellant mass ratio, A.6yoc; 7tpo­w0rinKf\<; µa~rir;,.

quadruplicate ratio, 'tt:tpa7tA.oDc; A.6-yoc;.

ray ratio, aKnVtK6c; A6yoc;· [/...6yor;, UKtivoc;j.

reciprocal ratio, uvricrtpocpoc; /...6-yoc;· [A6yoc; uv1tcr1prnt6tl]t0c;}.

reserve ratio, OIK., A.6yoc; (tpa-7tt:~lKOD) a7to0i:µanKOD.

scattering area ratio, A.6yoc; [ cruv­'tt:A.t:crti]c;) O"Kt:Oa<JHKOD i;µl3aooii.

signal-to-noise ratio, A.6yoc; crt']µa­wr;, 7tp6c; 06pul3ov.

slenderness ratio, MHX., A.6yoc; A.un p6triwc;.

stiffness ratio, MHX., A6yoc; oucr­Kaµljliac;.

stress ratio, MHX., /...6yor;, 'tacri:wc;. the ratio of a to b, a 7tp6c; 13·

[a: 13). trigonometric ratio, 'tptyrovoµt:tpl­

Koc; A6yoc;. triplicate ratio, 'tpl7t'A.oDc; A.6yor;,. ultimate ratio, AOrI:EM., 'tt:A.tK6c;

{iSa'tawr;,j A.6yoc;.

ratio of magnification

variable ratio, :ETAT., A6yoc; a/...­A.0161riroc;· [A6yoc; owcpop6tri toc;].

variance-ratio transformation, :ETAT., µi:1u.crxriµancrµ6c; "COD A.6you aA.A.ot61rit0c;· [ µzrncrxriµancr~t6c; toD A6you owcpop61T)t0c;}.

vehicle mass ratio, A.6yoc; ox1wan­Kf\c; µa~T)c;.

water-cement ratio, uvaA.oyia uoa­wc;-Koviac;.

ratio between stiffness and damping factor, MHXT., Myoc, oucrKaµ­\jliac, rcpoc, rcapayovrn arcocr~e­crsffic, .

ratio chart, MA0., xapt6ypaµµa (t&v) avaA,oyi&v.

ratio deviation, PA~. , odKtl]C, oia­µopcptcrµou.

ratio of a geometric progression, Myoc, ysffiµstptKfjc, rcpo6oou.

ratio of acceleration, A,6yoc, srct­rnxuvcrsffic,.

ratio of acceleration of an earth­quake, A,6yoc, ErctLUXUVCTSffiC, tOU asicrµou.

ratio of an arc to its chord, A,6yoc, (wu) t6~ou rcpoc, (ti]v) xopoi]v (m'.nou).

limit of the ratio of an arc to its chord, oplOV "COD /...6you (tvoc;) 't6~ou 7tp6c; 'ti]v xopoi]v t0u.

ratio of conversion, HAEK., A,6yoc, µstatporcfjc,.

ratio of division. M yoc, Oimpfos­ffiC,.

ratio of expansion, A,6yoc, owcrrn­A_fjc,.

ratio of homology, Myoc, 6µ0A,oy1-K6tl]"COC," [Myoc, 6µoA,oyiac,j.

ratio of magnification, Myoc, µsys-80vcrsffic,.

897

ratio of similitude

ratio of similitude, Myoc; oµotffi­crc.ffic;· [Myoc; 6µoto8rniac;]. (LYN.: homothetic ratio).

ratio of the amplitude of pulses to the corresponding period, A6yoc; tou supouc; 'tWV naAµffiv npoc; ti']v avncrrntxoucmv ns­piooov.

ratio of the circumference of a circle to the diameter, A6yoc; tfjc; nsptcpspsiac; KUKAou npoc; ti']v otaµi:tpov· [ n].

ratio of transformation, HAEK., Myoc; ~Lswcrxriµancrµou· [M­yoc; µi:tatponfjc;}.

ratio paper, avaA.oytKO xapti. (LYN.: semilogarithmic paper).

ratio test, ~acravoc; avaAoyiac;· [a­vaAoytKi'j paaavoc;].

Cauchy's ratio test, KCOcrEtavi] ava-1..oytKT] Pacravoc;.

ratio test for convergence or diver­gence of an infinite series, Pa­cravoc; avaAoyiac; { UVaAOytKi'j ~aaavoc;] Ota cr0yKAtcrtv fJ an6-KAtcrtV andpou cri:tpCic;.

generalized ratio test for conver­gence or divergence of an infinite series, yEvtKEUµtvT] aval..oytKT] Pacra­voc; ota -ri]v cr\JyKA.tcrtv ft -ri]v ait6KA.t­crtv c'mdpou crEtpac;.

Raabe's ratio test for convergence or divergence of an infinite series, paaPEtaVT] aval..oytKT] Pacravoc; f Pa­cravoc; aval..oyiac; wu PaaµitE] ota -ri]v cr\JyKAtcrtV ft -ri]v cl7tOKAtcrtv cl7tElpOU crEtpac;.

ration, otaµspf/;;co ( = KaTUVEµffi fJ Ota8ETCO UVaAoytKffic;).

ration, OtaµspfOtoV ( = UVaAOytKi'j µspic;).

rational, 1, op80AoytK6c;,T],6v. 2, MA0., pl]t6c;,i],6v· {F,AA.oyoc;,

898

rational integral equation

oc;,ov· cr0µµi:tpoc;,oc;,ov] (Kat' avti8i:crtv npoc; to irrational).

rational, pl]t6c;· { PT\toc; apt8~L6c;}.

rational algebraic expression, pl]ti) UAYE~ptKi'j napacrrncrtc;.

rational analysis, XHM., op8oAo­ytKi'j UVUAUcrtc;.

rational correspondence (of two algebraic curves), pl]ti'] [ cr0µ­µi:tpoc;} avncrrntxia (Mo aA­yi:pptK&v Kaµn0AffiV).

rational curve, pl]tl') [ cr0µµi:tpoc;J Kaµn0Al].

rational design, op80AOYtKi'j crxs­OtoAOYl]crtc;· [op8oAoytKTi crxs­otoAoyia].

rational exponent, pl]toc; l:K8Etl]c;.

rational expression, plJtii napa-crtamc;.

rational factor, pritoc; napaycov.

rational field, pl]tOV nsoiov.

rational fraction, pl]tOV KAacrµa. integration of rational fractions,

61..oKl..i]procrtc; pT]-rcl'lv Kl..acrµa-rrov.

rational function, PlJTii cruvap'tl]­mc;.

rational index, pl]toc; [ cr0µµi:tpoc;J Of:lK'tl]c;.

law of rational indices, v6µoc; -rcl'lv cruµµt-rprov OEtK-rcl'lv.

rational integer, pritoc; aKi:patoc;.

rational integral equation, pl]Tl'} 6 AO KA ri pron Ki] l;~ i crmcrtc;.

general rational integral equation of the nth degree in one variable, yEvtKT] PTJ•ii 61..odT]pronKi] t~icrro­crtc; wu vuocrwu Pu0µou -rile; µtac; µE-raPl..TJ-rfic;.

rational integral function

rational integral function (in one variable), PlltTi aKspaia cr1w­aptl]crtc; (tfjc; µtuc; µsrn~Al]tfjc;).

rational integral homogeneous func­tion in two or more variables, PlJTii UKspaia oµoyi:vTic; cruv­aptl]crtc; Mo fJ m:ptcrcrori:pcov µi:taPAlJt&v. (LYN.: quantic, noAAocrti]).

rational integral quadratic function (of the increments of the coor­dinates), PlJTii aKspafa 'tc'tpa­YffiVtKTi cruvaptl]crtc; (t&v au~ri­µUtffiV 'tWV <JUV'tf:tayµi:vcov).

rational involution (on an algebraic curve), pl]ti'] [ cr0µµi:tpoc;} l;vi:­At~tc; (aAyspptKfjc; Kaµn0Al]c;).

rational mapping function, pYJtii clKOVtcrµtKTi <JUVUp'tl]<Jti;.

rational mechanics, op80AO''(' Kil { U­<pl]pl]µEVl]j µrixavtKP.

rational number, PlJcoc; apt8µ6c;. set of rntion · .. numbers, cr\Jvol..ov

PTJ'tOOV apt0~tci'n.

rational number system, cr0crniµa pl]t&v apt8µ&v· { pl]tOV cr0crtl]­µa apt8µ&v}.

rational operation, plJtii npCi~tc;.

rational point, pl]tOV crriµsfov.

rational prime, Pll'toc; npffincrrnc; [ plJtoc; np&rnc;} apt8µ6c;.

rational process, MA0., plJtii ota­btKacria.

rational quaternion, pl]tOV ti:crcra­ptov.

rational term, pl]toc; opoc;.

rational transformation, pl]toc; [ cr0µµi:tpoc;] µi:tacrxriµancrµ6c;.

rationing

rational transformation of the points of a plane, pl] toe; [ cr0µ­µi:tpoc;] µsrncrxriµancrµoc; crri­µsicov mu l:mni:6ou.

rational transformation of the points of a space of any number of dimensions, pritoc; [ cr0µµi:­tpoc;} ~Lsrncrxri µancrµoc; crri µi:i­cov l:voc; xmpou oiou6i]noti: a­pt8µou 6wmacrscov.

rational triangle, pl]tOV tpiycovov· [Tjpffivi:tov tpiycovov].

rationality, 1, MA0., PlJ'tOtl]c;. 2, AOr., AOYtKO'tl']c;" {l;AA.oy6tl]c;j.

domain of rationality, itEPtoXii PlFO'tT]wc;.

rationality group, MA0., oµuc; p11-t6rriwc;.

rationalization, 1, MA0., pijri:u­mi;· { PlJTOlWll]crtc;/. 2, OIK., opGoMrrimc;· { opGoAoytKii op­yavcoaic;}.

rationalization of integrals, MA0., pf]twmc; OAOKAl] pffiµatcov.

rationalization of integrands,MA0., pi]twmc; t&v oAOKA T\Pffit&v.

rationalize, 1, MA0., pl]ti:0co· [pl]­rnnot&} (= KaGwr& pl]t6v,i]v, ov fJ cr0µµi:tpov,ov,ov). 2, OIK., op8oAoy& ( = opyavffivco KUTU op80AOytKiIV ~UcrtV).

rationalize (an algebraic equation), pl]ti:0co (aAysppiKTiv l;~icrcocriv).

rationalize the denominator of a fraction, pl]tonot& [ cruµµi:tpo­not&] tov napovoµacrtTiv f:voc; KAacrµarnc;.

rationing, aµoc;J voµij).

6wµi:ptmc;· [owµspi­( = 6taµi:ptcrnKTi Kata-

899

raw

raw, TEXN., aKat£pya0"10<;,oc;,ov· [a~scrwc;,oc;,ov }.

raw data, AOrn:M., npOYc68srn [ aµswyffiyrrca} cr101xst:a.

ray, c:t>Y:L, MA0., aK1ic;. anode rays, uvootKai aKrtvEc;. bundle of rays, ofoµT] UK'tLVOJV. cathode rays, Ka0081Kai aKrivEc;. corpuscular (cosmic) ray, crroµau-

owKi] (KocrµtKi]) UK'tic;. cosmic rays, Kocrµ1Kai aKri:vEc;·

[Kocrµ1Ki] aKnvo~oA.ia].

emerging ray, uvaoDoµi:vT] aKric;. gamma rays, yaµµanKai [yaµµa]

aKrtvEc;· [ aKrtvEc; yaµµa]. half ray, MA0., iiµtaKric;. incident ray, cI>YI., rcpocrrcircro\lcra

aKric; . light ray, aKric; <pror6c;· [ <pOJTElVi]

aKric;]. ordinary ray, cI>YI., crDvi]0ric; aKric;.

(IYN.: ordinary wave component). origin of ray, anapxiJ rfjc; aKrivoc;. pencil of rays, ofoµT]µa UK'tlVOJV. plane-polari zed ray, d>0Dypaµµroc;

TCETCOA.OJµi:Vll UK'ttc;. polarized ray, (rcE)rcoA.roµi:vT] aKric;. principal ray, ITPOOITT., rcproricrrT]

[KDpia] aKric;. reflected ray, ct>YI., avaKA.roµi:vri

UK'tic; . refracted ray, ow0A.roµi:VT] UK'tic;. secondary rays, OE\l'tEPEUO\lcrm u­

K'ttVEc;. solar corpuscular rays, ftA.taKai

crroµanoiaKai uKrtvEc;. Roentgen rays, patvryKEviavai u­

KrtvEc;· [ uKrtvi;c; PaivryKEV]. X-rays, UKTlVEc; x· [UK'tlVEc; Paivr­

YKEV}.

ray center, uKnvtKov K£v1pov· [K£v-1pov npo~olcfjc;).

ray of a congruency, MA0., UK1ic; (rnu) crµl]vouc;.

900

center of a ray of a congruency, Ki:vrpov rfjc; aKrtvoc; wu crµi]voDc;.

Rayleigh-Timoshenko method

ray of light, <l>YL., UK1ic; <pffi16c;· [ <pffi1st viJ aK1ic;}.

ray of refracted light, 8ta8A-ffiµEVT} ( <pffi1st viJ) aK1ic;.

ray of sound, fiXtKTJ UK1ic;· [ aK1ic; fixou}.

ray ratio, aKnVtKoc; A-6yoc;.

Rayleigh (Lord J oho William Strutt -), (A6p8oc; Tl;;cbv rouiUtaµ L1pa1) PailiA-ri ( = ayyA-oc; cpu­crtK6c;· 1842 - 1919).

Rayleigh atmosphere, pmiiA-taviJ a1µ6cr<patpa· [ an6rnnoc; a1µ6-cr<pmpa wu PailiA-ri}.

Rayleigh dissipation function, pmii­A-taviJ (8ta)crKsoacrnKij cruv-6.p1rimc;· [ cruv6.p1rimc; (8ta)crKs-8acrµou wu PailiA-ri}.

Rayleigh formula, pmiiA-tavov 8ta-1unffiµa-[ n'.moc; mu PailiA-ri}.

Rayleigh frequency formula, pmii­A-tavov cruxvonKOV Ota1U1tffiµa· [ 1\.moc; cruxv61rimc; mu Paili­A-ri}.

Rayleigh number, pmiiA-tavoc; apt8-µ6c;· [ apt8µoc; 1ou PailiA-ri].

Rayleigh-Ritz method, µ£8o8oc; Pai­uA-ri-Pfrc;.

solution of functional equations by the Rayleigh-Ritz method, !mi­A.\lcrtc; crDvaprricriaKrov t~icrrocrErov 81&. rfjc; µE068oD PaiiiA. T]-Pi re; .

Rayleigh's potential energy method, µ£8o8oc; 8uvrinKfjc; tw:pysiac; 1ou PailiA-ri.

Rayleigh scattering, pmiiA-taviJ 8ta-crnopa· [ pmiiA-tavoc; crKs8a-crµ6c;}.

Rayleigh-Timoshenko method, µ£-8o8oc; PailiA-11-T1µocr£vKo.

Rayleigh wave

Rayleigh wave, patiiA-tavov Kuµa· [ Kuµa (mu) PailiA-ri}.

r-chain = r-dimensional chain.

r-dimensional chain, MA0., pffi-016.<natoc; aA-ucrtc;• [aA-ucrtc; 1&v p btaCT1UCTf.(J)V} ·

r-dimensional cohomology group, MA0., pffi8t6.cnamc; cruvoµoA-o­ytaKTJ oµac;.

r-dimensional face (of a simplex), MA0., pffi8uicr1amc; s8pa (mu µovonHyµamc;).

r-dimensional homology group, MA0., pffi8tacrwmc; 6µoA-oyta­Kij 6µac;· [ 6µac; wu Mn{mt}.

r-dimensional simplex, MA0., pffi­. 8ta0"1amv µov6nA-syµa· [ µov6-

rcA-syµa 1&v p 8taCT'tacrsffiV}. (LYN.: r-simplex).

reach, 1, tyyii;;ffi· [ cp8avffi (de;)}. 2, KU'WAT]yffi (de;).

reactance HAEK., ava8pacr161ric;· { UVUb~U.0'1tK011']c;· UVnbpUCT10-11lc;J.

acoustic reactance, UKO\lcrnKi] [ 11-XflTLKi]} avaopacrnK6rT]c;.

capacitive reactance, xrop11nKi] uva­opacrnK6rT]c;.

inductive reactance, l:rcayOJylKi] { UU­'tETCUyOJylKi] j avaopacrnKO'tT]c;.

reactance coil, HAEK., ava8pa­crnKov nriviov· [ava8pacr11']c;}.

reactance matrix, MA0., µri1pt:lov UVUOpUCT'tt K011']mc;.

reaction, c:t>YL., av1l8pacrtc;. air reaction, AEPO~., avriopacric;

ui:poc;. chain reaction, ct> YI., aA.Dcrrori]

[ aA.Dcrt8rori]} uvriopacric;. Jaw of action and reaction, v6µoc;

rfjc; opacrEOJc; Kai UV'ttOpacrEOJc;.

reactor

proton-proton reaction, cI>YI., rcpro­rovwrcprowvwKf] uvriOpacric;· [ot­rcprowviaKi] UV'tLOpacrtc;}.

reaction component, MHX., cruvt­cr1&cra avn8pacrsffic;.

unknown reaction components, li­yvrocrwt CT\JVlCT'tOOCTat UV'tlOpacrEOJc;.

vertical reaction components, Kara­KOpD<pOl cr\JVtcr't&crm avnopacrEOJc;.

reaction potential, bllVY]1tKOV UV'tt-8pacrsffic;· [ avn8pacr1tKOV Oll­VY]1tKOV}.

reaction propulsion, MALT., avn­opacrnKTJ 7tp0fficrtc;.

reactive, l, MHX., avn8pacrnK~c;, i],6v. 2, HAEK., ava8pamtKoc;, 11,ov· [ avnopacr16c;,11,6v}.

reactive coil, HAEK., ava8pacrn­Kov { UVnbpa.CT10V j 1tl']VtOV. { U­va8pUCT11']c;}.

reactive component, HAEK., ava.-8pmntKTJ { U~UHlKTJ} O'llVl0'1W­cra.

reactive couple, MHX., avn8pa.­crnKov /;;Euyoc;· {l;;f.uyoc; avn­opacrsffic;j.

reactive current, HAEK., ava8pa.­crnKov { U~UHLKOV} psuµa..

reactive force, MHX., av1~8pacr1;­KTJ 80va.µtc;· [80va~nc; avn8pa.­crf.ffic;j.

components of reactiv~ force'. crDvt: CT'tOOCTUl rfjc; avnopacrnKT]c; O~VUµEOJ~ [ cr\JVtcrrrocrm uvnopacrnKm O\JVU-~lEtc;].

reactive load, HAEK., avaopacrn­Kov cpop1fov.

reactor, 1, HAEK., a,va8pam~c;· { ava8pacrnKOV 1tl']VLOV. 1tl']VlOV a£pyou UVHCT'tUO'f.ffic;j. 2, IlYP., c:t>YL., avn8pacr1ric;· [avnopa.-cr111P).

901

read

atomic reactor, uwµtKO\; c'tvn8pa­mi]p.

breeder reactor, eitomcrnKO\; avn­opacrri]p· [enroaa"Ci]\;}.

nuclear reactor, 1tllPTlVLKO\; c'tvn­opacrri]p.

read, I, avayt yvrocrKor [owpar,w]. 2, AOrn;M., avayvwcrt<;.

card read, Aorn:M., 8i;A.wpwva­yvroms.

read in, Aorn:M., dcrpip&..r,w ( = UVaytyVcOCTK(J) Kai µEr' UVUYVffi­crtV µi;rnpipar,w d<; Tijv µvi]µ11v '!OU A.oytcrµ11TOu).

read out, I, = readout. 2, AO­rIEM., hpipar,w ( = µET' ava­yvwcrtv µv11µtKW<; arco811 KEUµE­V11<; UA11<; µi;rnptpar,w EL<; UTC0-81)K11V a\IEl;apT11TOv wu A.oyt­o-µ11Tou) .

read punch unit, AOrn;M., Tp111a­vayvwcrn KTJ aucrKEui].

read-write check indicator, AO­rn;M., £voEiKT11<; £scA.8yl;cw<; avayvrocrEffi<;-avaypacpfj<;.

read-write head, Aorn;M., KE<pa­A.1) UVUYVcOCTEffi<;-UVUypmpfj<;.

reader, AOrn:M., avayvroanK [a­vayvwan KTJ crucrKwij.}

card reader, 8i;A.rapwvayvoocrrric;. card reader unit, 8i;A.rapwvayvro­

crnKi] crucrKwi] ( = crucrKi;ui] c'tvayvoo­crEros 8wrpi]rrov 8i;A.rapirov).

character reader, AOrI!:M., &.va-yvoocrrris xapaKri]prov.

high-speed reader, AOrI!:M., wxu­avayvoocrtTj\;.

magnetic tape reader, AOrI!:M., µayVTj"CO'tat VWKO<:; UVU')'VOOO""CTj\;.

paper t~pe ,reader, AOrI!:M., xap­totatvtaKos avayvoocrrris.

reading, AOrn:M., avayvwcrt<;.

902

real Banach algebra

reading a curve, MA0., 8pµijvEucrti; (rfj<;) xaµrcuA.11<;.

reading of mechanical drawings,. MHXT., avayvwcrt<; {8pµi]vw­crt<;} (TiDV) µ11XUVO'!EXVLKWV crxc­Otacrµa'!(J)V.

reading rate, AOrn:M., avayvw­crnKTj Otanµij· {otanµf} UVU­YVcOCTEffi<;].

readjustment, £rcavappu9µtcrt<; ( = £K vfou pu9µtcrt<;).

readout, AOrIEM., THAEM., (u­µrno<;) arcayyEA.ia ( CT'!OlXEtffiV).

readout station, PAL1., THAEM. , arcayyi;A.nxo<; ma9µo<; ( = crrn-9µ6<; aµfoou arcayyi;A.ia<; ()'!ot­XElffiV).

real, rcpayµanx6<;,i],6v.

real, = real number. axis of reals, a~rov r&v npayµan­

Kci'Jv ap10µ<llV" { itpayµanKO\; a~rov j . (!:YN.: real axis) .

real algebraic number, rcpayµan­KO<; aA.yi;pptKo<; api9µ6<;.

real analysis, rcpayµanKf} UVUAlJ­crt<;.

real analytic structure (for a space)~ MA0., rcpayµanKTj avaA.unKT} ooµf) (8vo<; xropou ).

real and distinct tangents, rcpayµa­nxai xai otaxwptcrrni £cpmn6-µi;vat.

real axis, MA0., npayµanKo<; a­l;wv ( = 6 6ptr,6vno<; ul;wv '!Ol> otaypaµµaw<; '!OU 'ApyKav).

real Banach algebra, npayµanKi} pavaxwvf) aA. yi;ppa· [ npayµan­Kll aA.yi;ppa '!OU MrcavaK}.

real Banach space

real Banach space, rcpayµanKo<; pa­vaxiavo<; xwpo<;.

real continuum, MA0., rcpayµa­nxov CTlJVEXE<;.

real displacement, MHXT., npay­µanKf) µETUKiv11crt<;.

real factors of the first (or second) degree, npayµanKoi rcpwwP&..9-µtot (f] owri;popa9µtot) rcapa­yovrE<;' [ npayµanxoi rcapayov­TE<; '!OU rcp<liwu (fl wu OEU"CE­pou) pa9µou].

real field, npayµmtKOV rccoiov.

real function, npa,yµanxf) auvapn1-crt<;.

real linear group, rcpantanxf) ypaµ­µtKTJ 6µa<;.

real matrix, rcpayµanKOV µ11TPEtoV.

real moment, MHX. , rcpayµanKf) porci].

real nondegenerate quadric, MA0., rcpayµanKf} µf) f:KcpuA.tcrµ8v11 OEll'!Epocrri].

real number, rcpayµanKO<; apt9µ6<;. absolute value of a real number,

&.n6A.uws nµi] (tvo\;) npayµanKou c't­pt0µou.

sum of real numbers, a0poicrµa itpayµanKcOV Upt0>tcOV.

(the) continuum of real numbers, (to) O"lJVEXE<:; {(t6) O"lJVEXE\; cr\JvoA.ov} r&v itpayµanK&v c'tpt0µ&v.

real number system, crucrT11µa rcpa.y­µanx&v apt9µ&v .

real numerical magnitude, rcpayµa­nKov apt9µtKOV µEyc9o<;.

real orthogonal group, npa.yµanxf) 6p9oywvtaia 6µ&..<;.

real part of a complex number,

real zero of polynomial

rcpayµanKov µ8po<; µtyaotKou apt9~LOU.

real plane, npayµmtKOV {;rc{rci;oov.

real quaternion, npayµanKov '!ECT­aaptov.

real root, rcpayµmtKii pir,a.

real roots of an algebraic equation, rcpayµanxai pir,m (µta<;) &A. yE­pptKfj<; SStCTcOCTEffi<;.

real time, THAEM., AOrIEM., rcpayµa'!tKO<; XPOVO<;.

real-time data, AOrIEM., THAEM. '!Ull'!OXPOVta'!U CT"COtXELa ( = crTOtXEla f] oi;ooµ{;va XP11atµo­noti]crtµa axi;oov rnuroxp6vw<; µ£ TO rcpoKaA-foav a\m't. cruµ­pav).

real value, I, MA0., rcpanimtKii nµi]. 2, OIK., rcpayµanKTj al;fo.

real-valued function, MA0., rcpa­yµanx6nµo<; cruvap111crt<;· [ cruv­apn,crt<; rcpayµmtKfj<; nµfj<;}.

real variable, rcpayµanKii ~LE'!U­

P"-11Tii. analytic function of a real variable,

UVUAlJ'tlKi] O"lJVUp'tll(}"t\; itpayµanKf\\; >LE'W~ATj'tfj\; .

periodic fun~tion of a real variable, m;pt081Ki] cruv6.ptf10"l\; npayµattKf\c; µi;ra~A.ritf\c; .

theory of functions of a real variable, 0i;ropia r&v cruvapri]cri;rov (rfjc;) npayµanKf\s µna~A.11rf\c;.

real vector space, MA0., rcpayµa­nKo<; UVlJCTµanKO<; XWPO<;.

real zero, MA0., rcpa.yµanKov ~n1-06v.

real zero of a polynomial, rcpayµa­nxov µ110EV noA-uwvuµou.

903

reality

reality, npayµanK6tY]c;. mathematical idealizations of reality,

~ta0riµarncai l8avLKEUcrEt<; -ri'j<; npay­µa-rtKO'tT]'tO<;.

mathematical reality, µa0riµanKi] npayµanKfrtT]<;.

realize, MA0., npanmi:&· [npay­µai:wvroj.

ream, TEXN., piµa (xapnou) ( = nocr6i:ric; xapnou de; cp6Ua, mwij9roc; 472 Ti 480 xa.pnou ypmvi~mrnc;, 500 nmoypacptKou xapnou, K.<'i.).

rear view, cmw9fa 01v1c;· [onfcr9o­'l'tc;· VW'!O\jftc;j.

rearrangement, ava8uirnl;1c;.

rearrangement of the terms of a series, ava8uhal;tc; i:&v oprov (µLi'ic;) O"Elpi'ic;.

reason, AOr., Myoc;· [ ahiaj. law of sufficient reason, AO!.

v6µoc; { apxiJJ wu anoxpwv-ro<; /.6~ you.

nonstructural reasons, MHXT., µi] bOµT]'tLKOL A.6yot.

reasoning, AOr., 8taA.oytcrµ6c;· [i:p6noc; mu crKfmi:w9m].

calculus of reasoning, 8taA.oy1crn­Ko<; A.oy1crµ6.; (wu Ai:1Bv1-rlou).

circular reasoning, 8uiA.A.riA.o<; 8ta­A.oy1crµ6.;· {8taA.A.riA.ov emxdp1iµa].

explicative reasoning, eni:l;riyri(µa)­nK6<; 8taA.oytcrµ6<;.

inductive reasoning, i';nayroyLKO<; 8taA.oy1crµ6.;.

measure-theoretic reasoning, µi:­-rpriw0i:rop1rnKo<; 8iaA.oy1crµ6.;.

quantum-theoretic reasoning, 6.Kpt­Bocrw0i:ropT]'ttK6<; 8taA.oy1crµ6.;.

Reaumur (Rene Antoine Ferchault de -), (Pevihoc; 'AvTwvwc; <l>ep­crw V'tE) Peroµup· [Peroµ6poc;]' ( = yaUoc; cpUO"LK6c;· 1683 -1757).

904

reciprocal diagram

Reaumur temperature scale, (9ep­µoµei:pLK1)) KAL~ta/; '!OU Pero­µupou.

rebus, yptcpoc;.

receiver, 1, TEXN., 8£KtY]c;. 2, THAE<t>., aKoucrnK6v. 3, napa­A.ijmqc; . .

reception, TEXN., A.fj\jftc;. beat reception, cru~tBA.rinKi] [ cruµ­

BoA.tcrnKll} A.i;ljlt<;. heterodyne reception, e-ri:p68uvo.;

[ cruµBA.qnKi]) A.i;ljlt<;.

recession, OIK., ucprntc; ( = Kp(m­µoc; Kciµ\jftc; 11')c; o1Kovoµfac;, 6-A.1 ywi:epov £v1:0voc; 1fjc; cpacreroc; Ka1a8A.11j11c;, depression).

rechts-links problem, = left-right problem.

recipient, 1, ano8£K1YJc;. 2, TEXN., A. 11m1ic;- [ napaA. ijnn1c;J.

reciprocal, 1, avi:icri:pocpoc;,oc;,ov· { avncri:pern6c;, ij,6v· cruvaAA.ri­A.oc;,oc;,ov· aµot~afoc;,a,ovj. 2, MA0., avi:impocpoc;,oc;,ov.

reciprocal, MA0., avi:impocpoc;. polar reciprocal, noA.tKi] av-ricrtpo­

<po.;.

reciprocal algebra, MA0., avn­cri:pocptKij { UV'tLO"tpocpoc;j UA­ye~pa.

reciprocal curve, avi:icri:pocpoc; Kaµ­n6A.11.

polar reciprocal curves, noA.tKai UV'tlCTtpO<pOl Kaµn\JA.at.

reciprocal curve of a curve, Ka~m6-AYJ avi:(cri:pocpoc; Kaµn6A.1ic;.

reciprocal determinant, avTicri:po­cpoc; 6pisoucra.

reciprocal diagram, 1, MHXT.,

reciprocal elements

avi:icri:pocpov 81aypaµµa. 2, = reciprocal figure.

reciprocal elements (of n space), UV'tlO"tpocpa O"'totXELa (mu V XW­pou).

reciprocal equation, avi:icri:pocpoc; ti; tCJ(J)CJtc;.

reciprocal figure, UV'tLO"'tpocpov crxfj­~La.

reciprocal function, avi:icri:pocpoc; cruvapi:rimc;. (LYN.: inverse function).

Volterra's reciprocal function, BoA.­-rcpptavi] av-r[cr-rpo<po<; cruvap'tT]Cfl<;' f av-ricr-rpo<po<; cruvap-r1icr1<; wu BoA.­-rf.ppa}.

reciprocal matrix, UV'tlO"'tpOcpOV ~LY]­'tpE'foV. (LYN.: inverse matrix).

reciprocal matrix of a given square matrix whose determinant is not zero, avi:icri:pocpov µi11pe'fov 8o-9£vrnc; 'tEtpayrovtKOU ~llFPElOU ii 6pisoucra i:ou 6noiou dvm 8tcicpopoc; mu µri8ev6c;.

reciprocal of a fraction, avi:impo­cpoc; KAUO"~Latoc;.

reciprocal of a matrix, UV'tLO"Tpocpoc; µi11pEiou.

reciprocal of a number, avi:impo­cpoc; apt9µou.

reciprocal of a quantity, avi:icri:po­cpoc; nocr6n11:0c;.

reciprocal polar, UV'tLO"Tpocpoc; 11:0-AlKTJ.

method of reciprocal polars, µf.-0000<; -roov avncr-rp6<prov noA.tKrov.

reciprocal polar figures in the plane, avi:icri:pocpa noA.1Ku crx1)­µai:a mu f:mn£8ou.

reciprocals of permissible chances

reciprocal polar triangles, avi:i­O"'tpocpa noA.tKU wiyrova.

reciprocal proportion, avi:icri:pocpoc; avaA.oyia.

reciprocal quantities, avi:fmpocpot 11:00"01:Y]'tES.

reciprocal ratio, avi:impocpoc; A.6-yoc;. (LYN.: inverse ratio).

reciprocal series, avi:icri:pocpoc; cre1-pa.

reciprocal spiral, avi:icri:p0<poc; crnet­pa· [ avi:icri:pocpoc; £A.1/;].

reciprocal substitution, avi:icri:po­cpoc; unoKai:amamc;.

reciprocal surface, avi:impocpoc; f;­mcpaveta.

polar reciprocal surfaces, noA.tKai av-r[cr'tpO<pOL Em<pUVElat.

reciprocal systems of vectors, avi:i­O"'tpocpa (Jl)CJ'tij~tarn avucrµa1rov.

reciprocal terms, uvi:icri:pocpot 6-pot.

reciprocal theorem, avi:fcri:pocpov { cruvaAA.11A.ov} 9ewpriµa.

Maxwell's reciprocal theorem, µa­l;oui:A.A.tavov av-r[cr-rpo<pov 0i:rop11µa· [ cruvaA.A.riA.ov 0i:rop1iµa wu Mal;­youi:A.}. (!:YN.: reciprocity theorem of Maxwell).

reciprocal transformation, avi:i­mpocpoc; µei:acrx.riµancrµ6c;.

reciprocal vector system, uvi:{cr1po­cpov avucrµanKOV cr6cri:1wa.

reciprocally proportional, avncri:p6-cproc; avaA.oyoc;,oc;,ov.

reciprocals of permissible chances of structural failure, avi:icri:po­cpot i:&v f:mi:peni:&v cruvi:ux1&v bO~lllTLKllS U11:0'!UXlaS.

905

reciprocant

reciprocant, MA0., I, uvncrtpi:rctir [ avncrtpi:rcn'J cruvciptT]crtc;}. 2, avncrtpEcpoucra ( = otacpop1Ki] a­valvA.oicowc;).

absolute reciprocant, dit6A.uto<;; av­'tlO"'tpeit-ri] .

reciprocate, I, avtarcoKpivoµm de;. 2, TEXN., rcalv1vopoµro.

reciprocating engine, rcalv1vopo~ttKi] µrixavij.

reciprocating proposition, AOr., aµo1pa10nKi] { UV'!tCi'tpocptKTJ j rcp6rncrtc;.

reciprocating pump, rcalv1vopo~ttKi] avtA.ia.

reciprocation, I, MA0., uvncrtpi:­rcnK6tT]c;. 2, <f>YL., MHX., rca­A.1vopo~1ij· [rcalv1vop6~1rimc;· rca­A.1vopo~nK6tric;].

reciprocity, I, aµo1Put6tT]c;· [ cruv­aU11lvia}. (LYN.: correlation). 2, avncrtprnt6tT]c;. 3, crucrxi:n­K6tTJc;.

biquadratic reciprocity, om:tpayro­VLKi] UVTLCf'tPE1t1:6n11;;.

law of biquadratic reciprocity, v6-µo.;; 'tfj<;; Ol'tE'tpayrovtKfj<;; avncr-rpE­m6t'lto<;;.

_law of quadratic reciprocity, v6µo.;; 'tTJ<;; 'te'tpayrovtKfj<;; 6.vncr-rprn-r6-r11to.;;.

principle of reciprocity, 1, apxii -rfj.;; avncr-rprn-r6-rrito.;;. 2, 6.pxii -rfj.;; cruvaA.A.riA.ia.;;· [ apxii -rfj<;; 6.µ01Bm6-'tTJto<;;].

quadratic reciprocity, 'tE-rpayrovtKll avncr-rpem6-rri.;;.

Sylvester's theorem of reciprocity, 9i:cilp1wa 'tfj<;; CfUCfXETLKOt'lto<;; toO rut..Bfoti:p· f cru/,Bi:crtptavov cruvat..­t..rit..ov 9i:cilp11µaj.

reciprocity principle, I, apxi] ti'jc; avnmpi:m6tT]'tO<;. 2, apxiJ ·nic; crucrxi:nK6tT]toc;· [ apxiJ ti'jc; cruv­aUriA.iac;].

906

reconstitution

recipro~ity theorem (of Maxwell), CiUVUAAT]AOV Eli:ropriµa· [Eli:wp11-µa ti'jc; avncrtpi:rct6n1wc;] (wi> Mcil;youi:lv).

reckon, ] , UVU~LE'tpW. 2, A.oyaptci­~CO.

reckoning, I , lvoyciptacrµa. 2, ava­µi;t PTJ me;. , de~d reckoning, NA YT., mi:yµa

(e~) avaµEtpf]cri:ro.;; .

recognition, ] ' avayvrop1crtc;. 2, a­vayvcoptcrnKT] ( = iKav6n1c; ft µE600oc; avayvcopicri:coc; xapa­Ktij pcov, K'ttv.). , character recognition, avayvcilptcm;

{avayvroptCfTLKTt} XOPOKtf]prov.

pattern recognition, avayvcilptcrt<;; { UVayvOJplCfTLKTt} OtaµOp(pOJµUtOJV.

recoil, l, uvciKpoumc;. 2, EKKAlcrtc;. Compton recoil effect, KOµitotvta­

v6v UVOKpOUCftlKOV l;vtuitroµa· [ ava­KpOUCfTLKOV <pat v6µi:vov toO K6~1-mov ].

recombination coefficient, cruvti:A.i:­crn'Jc; uvacruvouacrµou.

recombination energy, <f>Y1: ., ava­cruvouacrnKi] EVE pyi:ta.

recommendation, MHXT., urc601:1-s1c;.

desi~n . recommendations, crxi:ot0-A.oy1Kat U1t00El~El<;;.

reconcilable circuits, MA0., crw1-P1Pama KuKA.wµarn.

reconciliation, I, cruvo1alvlvayij. 2, MHXT., 01wElEn1cr1c;.

str~ctural reconciliation, 00µ11nK1) O!EU9Et'1Cfl<;;.

reconstitute, TEXN., uvacruvtcrtro.

reconstituted, TEXN., avacrucrrn­toc;,oc;,ov.

reconstitution, avacrucnacrtc;.

reconstitution of arithmetical sums

reconstitution of arithmetical sums, UVUCiUCi'tUCil<; ap1ElµT]nKWV a-8 potcrµcitcov.

reconstruction, 1, avo1Koo6µ11cr1c;. 2, avacruyKp6tT]crtc;.

reconstruction for aseismic pur­poses, MHXT. , avo1Ko06µricr1c; Ot' UV'!tCil:lCiµtKU<; avciyKU<;" {UV­'ttCil:lCiµtK'ij UVOlKOOO~LT]Cit<;}.

record, I, Karnypcicpco. 2, Karnypci­cpco µrixavm'i'lc; (t] auwµcirnc;).

record, I, £rc[0ocrtc;. 2, Katciypacpov. acceleration record, Kataypacpov

l;m-raxuvcri:ro.;;. accelerograph record, Kataypaq>ov

{;m mxuvcr1 ypaqiou.

accelerometer record, Kataypaq>ov tmmxuvCflµthpou.

displacement-time record of a struc­ture, MHXT., Kataypaq>ov xp6vrov­µEtaKl vi]cri:rov toO qiopero.;;.

fixed-length record, Kataypaqiov itayiou µi]Kou.;;.

ground acceleration-time record, MHXT., Kai:aypaqiov xp6vou-i:0aqi1-Kfj<;; l;m tUXUVCfEOl<;;.

grouping of records, Aorn:M., 6µao1crµ6.;; (tii:>v) Kai:aypaqirov.

reference record, AOLI:EM., Ka­taypaq>ov avaq>opfJ.<;;· { Kataypaq>OV itapaitoµitfi<;;].

statistical record, cri:attCftLKOV Ka­-raypaq>ov.

time record, xpov1K6v Kataypaq>ov· [ Kataypaqiov XP6vou].

trailer record, AOrI:EM., itapaKo­A.ou811ttK6v Kataypacpov.

record gap, AOrIL., KarnypacptKOV OtclKEVOV.

record length, Aorn:M., Kataypa­cptKov ~1i'jKoc;· [ µi'jKoc; Kawypci­cpou].

recorder, KarnypacpT]ti]c;· [Kata­ypacptKi] CiUCiKWijj.

rectangle

magnetic recorder, ~iayv11nK6<;; Ka­mypaqi11i:i]<;;.

microtremor recorder, µ1KpocrEt­cr~uK6<;; Kataypaqi11i:i].;;.

tape recorder, tatvtaK6<;; Kataypa­q>'ltfi.;;· [ µayv11t6q>rovov].

recording, I, Kawypcicpricr1c;· [Kaw­ypacpij]. 2, = sound recording.

sound recording, Tixoypaqiricr1.;;· [ii­xot..riwia].

recording apparatus, I, Kataypa­cptK'ij CiUCiKWij . 2, iJxoA-11m1Kyt CiUCiKWij.

recording room, PA6.., TEXN., iJxoA-11mi:Tov· [Elcilvaµoc; TixoA-11-'Jfiac;j.

recoverable, 6.IALT., uvaKtijcrtµoc;, oc;,ov. [avaKtT]t6c;,i],6v }.

recovery, MA1:T., avciKtT]crtc;.

recovery capsule, MALT., avaKtT]­nKij Kcl\j/U.

recovery gear, MALT., avaKtT]nKa ~1foa· [ UVUK'tll'!tKO<; £1;apn-crµ6c;j.

recreation, I, 'J!Uxaycoyia· [ava­'JfUXfi· 'JIUXflYCOYtKi] £vacrx6A.11-Citc;}. 2, 'JfUXUyroy1iµa· [ \JfUXfl­ycoytKOV £vacrx6A-riµa.}. 3, ota.­crKEOacrtc;.

mathematical recreation, 1, µaSri­~tanKit \j/UXUYWYTJCfl<;; . 2, µa811µa-rtKOV \j/UXUYWY'lµa.

recreational mathematics, 'JfUXa.yco­yuca µaElriµa.nK<i· [ µaElriµa.nKa aVU'JfUXi'jc; Kai otacrKi:oacri:coc;}.

rectangle, MA0., opEloyroviov. adjacent sides of a rectangle, npocr­

KEiµEvm [ napaKEiµi:vm] nA.i:upai (tou) 6p9oyroviou· [itA.i:upat 6p9f\<;; yrovia.;; 6p9oyroviou].

altitude of a rectangle, U\j/O<;; (toO) 6p9oyroviou.

907

rectangular

area of a rectangle, tµBaMv ('tOu) 6p9oyroviou.

curvilinear rectangle, KaµituA.6ypaµ­µov 6p9oyciJvwv.

diagonal of a rectangle, oiayciJvwc; ('tOu) 6p9oyroviou.

frequency rectangle, cruxvonK6v 6p9oyciJvwv· [ 6p9oyciJvwv cruxvorfj­rrov ].

golden rectangle, xpucrouv 6p9oyciJ­vwv.

length of a rectangle, µfjKo c; ('tOu) 6p9oyroviou.

opposite sides of a rectangle, &vnKeiµevm [evavn] itA.eupai 'tOu 6p9oyroviou.

perimeter of a rectangle, nepiµe­rpoc; ('tOu) 6p9oyroviou.

rectangular, op8oyc0vt0c;,oc;,ov· [op-8oycovtafoc;,a,ov].

rectangular array, 6p8oycovtaia na­pchasic;.

rectangular array of coefficients, 6p8oycovtafa napatastc; cruvn:­A.i::crt&v.

rectangular array of elements, op-8oycovtaia napatastc; crtotxd­cov.

rectangular axes, op8oycOVLOl aso­VEc;.

rotation of rectangular axes, nept­crrpoqn'l [ crrpoq!l)} rwv 6p9oyrovirov a~6vrov.

translation of rectangular axes, µcra9ecrtc;{ aA.A.ayfjj !WV 6p9oyrovirov a~6vrov.

rectangular (Cartesian) components Op8oycOVLOt (KaptEcrtavai) <J'UVt­crtfficrat.

rectangular Cartesian coordinates, op8oycDVLOt KaptEcrtavai <J'UVtE­tayµEVat.

rectangular coordinate space axes,

908

rectangular pyramid

op8oyc0vLOt <J'UVtEtayµ EVOt USO­VEc; ( <J'f]µEtOU) tOU XWPOU.

directions of a set of rectangular coordinate space axes, oteu9uvcretc; { '<JOpai j O'UV6AOU crUV!eLayµEVOOV a­~6vrov 'tOU xoopou· [ oteu9uvcretc; rwv (a~6vrov rwv) 6p9oyrovirov cruvrem­rµevrov crT]µeiou 'tOu xoopouj.

rectangular coordinate system, op-8oyc0vLOV O'UVtEtayµ EVOV O'UO'tT]­µa· [ crucrtTJ µa op8oycov(cov cruv­ti::tayµEvcov].

rectangular coordinates (of a point), op8oyc0vLOt cruvti::tantEVat (mu) crT]~tEiou.

rectangular cross-section, op8oyco­vtafa [op8oycovLKTt} 8tato~111.

rectangular curvilinear coordinates, op8oyc0VLOL KaµnuA6ypaµ~tot O'UVtEtayµEvat.

rectangular form of a complex number, op8oyc0vt0c; [ 6p8oyco­vta[a j µopcpfj µtya8tKOU apt-8µou.

rectangular graph, op8oycovoypa­cp1iµa.

rectangular hyperbola, op8oyc0vt0c; [op8oycovtaia] uni::ppoA.Tj.

rectangular parallelepiped, op8oyw­VLOV napaA.A.riA.rn[ni::8ov.

rectangular polyconic projection, op8oycovtafo ROAUKCOVtKfj npo­PoA.Tj.

rectangular polyhedral angle, op-8oycovtaia noA.Ui::8poc; ycovia.

rectangular projection, op8oycovt­aia npopoA.11 .

\rectangular pyramid, op8oycovta(a nupaµic;.

rectangular solid

rectangular solid, op8oyc0VLOV O'tE­pEOV.

rectangular space coordinates, op-8oywvLOt cruvti::tantEvat mu xw­pou.

rectangular spheroidal coordinates, op8oyc0VLOL crcpatpOEtbEtc; O'UV­tEtayµEVat.

rectangular structure, op8oyc0vt0v [6p8oycovtai.ov] 86~tT]µa· [op-8oyc0vt0c; cpopi::uc;].

plan view of a rectangular structure, KU'tOlj/tc; [ 6pt~ovrwypa«iia] 6p9oyro­vwiou ooµfjµar0<;.

rectifiable, MA0., i::u8i::tacrt~toc;,oc;, ov· [ i:u8rivoµTjmµoc;,oc;,ov } .

rectifiable curve, MA0., i::u8i::ta­mµoc; [ i:u8uvoµT] mµoc;} xa~mu­ATJ.

rectification, 1, MA0., i:U8dacrtc;· [ i::u8uv6µricrtc;· i:u8uypaµµrimc;}. 2, HAEK., av6p8cocrtc;.

line of rectification, ypaµµfj EU-0euicreroc;.

linear rectification, rpaµµtKfj c\J-9eiacric;· [ ypaµµtKfj c\J9uv6µ11cric;].

plane of rectification, Eitineoov EU9et6.crcroc;· l eu9uvoµouv E1tL1teOOV J.

rectifier, HAEK., avop8con1c;.

rectifying developable, MA0., i::u8u­voµoucra UVa7ttUK'tTJ.

rectifying developable of a space ·curve, MA0., i::u8uvoµoucra a­vantuKtfj x;copa[ac; xaµnuA.ric; .

rectifying line (of a skew curve at a given point on the curve), i::u8uvoµoucra ypaµµ1) ( crtpi::pA.fjc; xaµnuA.ric; de; n crri~ti::Tov tfjc; xaµnuA.ric;).

rectifying plane, i::u8uvoµouv [ i::u-8wi~ov} tnfni::8ov.

recurrence relations

rectifying plane (of a space curve at a given point), i::u8uvoµouv !mini:8ov (xcopa(ac; xaµnuA.ric; de; 8o8f:v crriµi:Lov).

rectilinear, i::u8uypaµµoc; ,oc;,ov.

rectilinear coordinates, i::u8uypaµ­~tot O'UVtEtayµEVat.

rectilinear equal-area projection, i::U8uypaµ~toc; icri::µpa8txf] npo­poA.Tj.

rectilinear figure, i::u8uypaµµov crxf\­µa.

rectilinear generators, MA0., i::u-8uypaµ~tot yEVEtEtpat.

set of rectilinear generators on the hyperboloid, cruvoA.ov e\J9urpaµ~trov YeVE!etpwv 'tOU iJm:pBoA.oet8ouc;.

rectilinear motion, i::u8uypaµµoc; xi­v11mc;.

rectilinear triangle, i::u8uypaµµov tplycovov.

rectilinear velocity, i::u8uypa~1µoc; raxuvmc;.

uniform rectilinear velocity, 6µ016-µop«io c; [ eviaia] e\J9uypaµµoc; ra­xuvcrtc;.

rectum, = latus rectum.

recur, MA0., £navaA.a~tPcivoµat.

recurrence, 1, MA0., £navaAT]\jltc;· [6nocrtpocpf]]. 2, LTA T., ava­cruµP i::Pri Kotric;· [£navrnfntcocrtc; cruµpavtoc;].

recurrence formula, MA0., 8tatu­ncoµa unocrtpocpfjc;· {8tatuncoµa £naval.. Tj \j/Ecoc; · 6n6crt pocpov 8ta­tunco~1a · 6n6crtpocpoc; tunoc;].

recurrence relations, l, crxi:tlcri::tc; [ crxfoi::ic;} avacruµpi:prix6tT]toc;. 2, crxi::ticri::tc; [ crxfoi:ic;] unocrtpo­cpfjc;.

909

recurrence theorem

recurrence theorem, Eh:wp11µa bm­vsmrc'tmcrsms· [8sc0p11~ta urco­CT'tpo<pfj<;}.

Poincare recurrence theorem, nou­avKapstav6v 8sc0p1wa £navsmm:ro­crsroc;· [8sc0p11µa unocrtpocpfic; taii IIouavKaptj.

recurrent, MA0., I, i':rcavaA.11rcn­x6s,iJ,6v· [i':rcavootK6i;,Tj,6v· u­rc6mpo<poi;,oi;,ov]. 2, = persym­metric.

recurrent sequence, MA0., i':rcava­A.11rcnxl) [urc6mpo<poi;] aKoA.ou-8{a.

recurrent series, i':rcavaA.11rcnKTj [u­rc6cr'tpo<poi;] crstpci.

recurring, MA0., i':rcavaA.11rcnx6~, Tj,6v· [urc6cr'tpo<poi;,oi;,ov].

recurring, =recurrence.

recurring continued fraction, urc6-cnpo<pov [i':rcavaA.11rcnKov] cruv­sxi':i; KAUCTµa .

recurring de~imal, urc6mpo<pov [i':­rcavaA.11rcnxov] osxaotx6v.

recurring series, urc6cr'tpo<poi; [i':rca­vaA.11rcnK~j crstpci.

recursion, MA0., urcavciA11\JfLS ( = xA.iµaKtm'toi; rcpocrotoptcrµoi; n­µwv).

recursion theory, urcavaA.11rcnxT] 8s­mpia· [8smpia Tfj<; urcavaA.Tj\jfs­mi;].

recursive, MA0., urcavaA.11rcnx6i;, Tj,6v.

recursive definition, 1:YMB. AOr., urcavaA.11rcnxoi; 6ptcrµ6i;.

recursive function, MA0., urcava­A.11rcnxi] CTDVUP'tllcrt<;.

recursive unsolvability, urcavaA.11-rcnx11 avsmAD'tO'tllS·

910

reduced

recursively, MA0., urcavaA.11rcn­x&i;.

recursively enumerable set, urca­vaA.11rcnx&i; arcapt8µ11'toV CTUVO­A.ov.

recursiveness, urcavaA.11rcnK6'tllS·

recycle, I, MA0., avaxuKA.& (= £mcr'tp£<pm di; rcpoysv£mspov cr11µsiov apt8µTjcrsmi; t] µs'tpi]­CTeffi<;). 2, TEXN., avaKDKAW' [ avarcA.O.nro J ( = avaµswrcot&).

recycling, I, MA0., avaxuxA.11m<; ( = i':mcr'tpo<pi] ds rcpoysvfo't&­pov cr11µsiov). 2, TEXN., ava­xuKA.11mi;· { UVUTCAacrµ6<;) ( = avaµe'tUTCOlllCTLS pwµ11xavtKOU npoi:6vwi;).

recycling system, TEXN., avaxu­xA.11µanx6v crucrr11µa· [ crucrr11-µa &.vaxuxA.i]crsms· crum11µa &.­varcA.acrµou].

red tape, pom(va· [ypa<pstoxpanxi} 'tUK'ttKTJ}.

red type operation, AOrI1:M., ypa­CJ'&LaKTj [otrcA.oypa<ptKT]j rcpiil;ic;· { 'tUK'ttKTJ rcpii'f,t<;j.

redact, cruv'tcicrcrm· [ Kawmpwvco ).

redacting, cruvw'f,ti;· { KU'tUCT'tpffi­crti;}.

rediscount rate, OIK., ownµT] ava-rcpos'f,o<pA. Tjcrscoi;· [ &.varcposso-<pA.11nx6v i':m't6Ktov].

redout, PA~., arcsp08pcomi;.

reduce, I, µstffivm. 2, MA0., &.vciyco.

reduce to scale, rEQM., crµtKpuvco [ &.vaym) urco KA.iµaxa.

reduced, I, MA0., av11yµ£voi;,11,ov· [&.vaymytx6i;,i],6v]. 2, rEnM., crµtKpuv8sii;,stcra,£v.

reduced cbaracteristic equation

reduced characteristic equation (of a matrix), uv11yµ£v11 xapaK'tllPL­crnKTj i':l;icrmmi; (µ11'tpstou ).

reduced characteristic function (of a matrix), av11yµEVr] xapUK'tllPl­O''tl KTJ CTDVUP'tllCTLS (µ11'tpstou).

reduced cubic, uv11yµ£v11 xuPtxi] · ! av1nµ£v11 'tptwPa8µwi; (i':si­crmcrti;)].

reduced cubic equation, av11yµ£v11 'tptwPci8µtoi; i':'f,icrmmi;.

'l.'educed form of the quadratic (equation), &.v1nµ£v11 µop<pi] 'tfj<; osu'tspopa8µfou (i':l;tcrci:>crscoi;).

reduced frequency, µstcoµ£v11 [ uv11-yµ£v11] CTDXVO'tllS·

reduced inertia, uv11yµ£v11 &.opci­VSta.

reduced matrix, av11yµ£vov µll'tPsl­ov.

reduced mechanism, av11yµ£vor, µ11-xavicrµ6i;.

;reduced modulus, MA0., av11yµ£­vov µ68wv. (1:YN.: effective modulus; double modulus; Kar­man modulus).

rreduced modulus load, uv11yµ£vov µoowxov <pop'tiov· [ <pop'tiov &.­v11yµ€vou ~toofou].

ll'educed residue system modulo n, av11yµ£vov KU'tUAOlTCOV CTUCT'tll­µa KU'tU µ68tov v.

reduced shearing stress, MHX., a­v11yµ€v11 Ota'tµ11nxi] 'tcicrt<;.

reduced to zero, &.vax8sii;,sfoa,f:v di; TO µ118€v.

reducibility, Aor., MA0., avayco­yix6T11i;· { avaymytµ6T11<;).

reducing a complex structure

axiom of reducibility, a~iroµa tfj~ avayroyLKOtT]tac;.

reducible, avayci:>ytµoi;,oi;,ov ( = ou­VU~LSV0<;, 11,ov vu &.vax8iJ).

reducible algebra, avayci:>ytµos aA.­ysppa.

reducible algebraic plane curve, &.vayci:>ytµoi; aA. ysp pt KT] i':rctrc&­ooi; xaµrcuA.11.

reducible algebraic surface, ava­yci:>yiµos &.A. ysppixi] i':m<pcivsw.

reducible circuit, &.vayci:>ytµov xu­xA.coµa.

reducible in a given region, avayro­ytµoi;,oi;,ov [ouvaµsvoi;,11,ov vu &.vax8iJ] di; oo'tijv rcspwxi]v.

reducible matrix representation of a group, avayroytµo<; µll'tpetaKi} &.varcapcimami; oµuooi;.

reducible point set, avayci:>ytµo<; cr11µswcrstpci .

reducible polynomial, avayci:>ytµoc; noA.urovuµov.

reducible set of matrices, avayroyi­µov cruvoA.ov µll'tpdmv.

reducible to the homogeneous form, ODVUµSVO<;, 11,0V VU avax8iJ { U­vayffiytµoi;,o<;,OV J di; 'tTJV 6µ0-ysvfj µop<pi]v.

differential equations reducible to the homogeneous form, otacpoptKai t~tcrrocrw; ouvaµsvat vc't c'tvaxSoiiv de; ti]v oµoysvfj µopcpi]v.

reducible transformation, avayro­ytµoi; µswcrx11µancrµ6i;.

reducing a complex structure to a number of simple structures, a­vaymyi] [&.vciA.ucrii;] cruµrcA.6xou ooµi]µaws di; apt8µ6v aA.A.mv arcA.&v ooµ 11 µci'tcov.

911

"''

reducing a fraction

reducing a fraction to its lowest terms, avayroyl) KA<iovatoc; de; ano µf: opooc; OaOV 'tO OOVU'tOV µtKpo-rf:pooc;.

reductio ad absurdum, de; <'itonov anaywyi].

reductio ad absurdum proof, an6-oi:t1;tc; Ota n'jc; de; Uto7tOV U7ta­yroyiic;" { U7tayroytKl) U7t00!:t/;tc;j.

reduction, I, MA0., AOr., avayro­yi]. 2, TEXN., crµiKpovcnc; (uno KA.iµaKa).

data reduction, MHXT., cHOtXELO­A.oyLKll 6.vayroyi].

indirect reduction, eµµccroc; 6.va­yroyi].

reduction ascending, avayroyl) UVt-6v-rroc;· [ avtoucra avayroyi]].

reduction class, LYMB. AOr., ava­yroytKl) KAUcnc;· {KA.acne; avayro­yfjc;j.

reduction descending, &.vayroyl) Ka­n6v-rroc;· {Ka'ttoUcrfJ. avayroyijj.

reduction factor, dvayroytKoc; napa­yrov· [ napayrov avayroyfjc;j.

moment reduction factor, napci­yrov avayroyfjc; tf\c; ponfjc;.

reduction formulas in integration, OtaT07tCO~LU'tfJ. [ 'tU7t0t J avayw­yfjc; Ka-ra -rl)v 6A.ol<Ai]procrw [6-A.ol<AripronKa avayroytKa OtaTO­mhµam].

reduction formulas of trigonometry, otawn:ffiµam { -runot j avayroyfjc; n'jc; -rptyrovoµi:1piac;· [-rptyrovo­~Li:TptKa UVayroytKa 0tUT07tcOµa­'tfJ.j.

reduction of a common fraction to a decimal, avayroyl) KOl YOU KAU­crµmoc; de; oi:KaOtK6v.

912

reduction to (the) normal form

reduction of a fraction to its lowest terms, &.vayroyl) KAacr~ta­-roc; de; (a/.J..o KA.acrµa µf:) opoo<; (ocrov -ro ouva-rov) µtKpo1f:pouc;.

reduction of a matrix to the diagonal form, avayroyl) µT]-rpi:ioo de; -rl)v 8wyffivtov ~1opcpi]v.

reduction of an equation, avayroyl) f:l;tcrfficri:roc;.

reduction of an expression, avayro­yl) napacr-racri:roc;.

reduction of drawing, avayroyl)i { crµiKpuvcnc;j ( tou) GX!:Otacr~ta­toc;.

reduction of fractions to higher or lower terms, avayroyl) TWV' KA.acrµamv de; (a/.J..a KA.<icrµarn.. µf:) µi:yaA.01f:pooc; 11 µtKpo-rf:pou<; opouc;.

reduction of the roots of an equa­tion, avayroyl) -r&v pts&v (µtile;) £1; wfficri:roc; .

reduction of the triangulation, ava­yroyl) Ka-ra -rov -rptyrovtcrµ6v · [ uvayroyl) 'tptyffivrov· 'tpl yrovo­µi:-rptKl) avayroyijj.

reduction to absurdity, de; chonov avayroyi].

reduction to (the) normal form of an equation of a plane in rectangular coordinates, avayro­yl) de; -rl)v op060i:tov µopcpl)v µtile; f:l;tcrfficri:roc; tou f:mnf:oot> UTl:O op0oyrov[ouc; CYUV't!:Wnlf:­Vac;.

reduction to (the) normal form of an equation of a straight line in rectangular coordinates, &.vayroyl) i:tc; -rl)v op060i:tov µopcpl)v µtile; f:l;tcrfficri:roc; i:i'.J0i:ia<;

reduction to scale

ypaµµfjc; uno op0oyrov(ooc; crov­-ri:rnyµf:vac;.

reduction to scale, &.vayroyl) uno [ crµiKpovmc; uno J KAiµarn.

redundancy, I, AOr., nA.wvacrµ6c;. 2, MHXT., nA.wvacr-r6-rric;· {ni:­ptcrcr6-rric;} ( = unapl;tc; ni:ptcr­cro-rf:prov µi:A.&v &.no f:Ki:tva nou ananouvwt ota -rl)v i:ucr-ra0i:tav tou 8oµi]µatoc;).

effective redundancies, lipacrtLKai 7tAEOVacrt6tT]tEc;.

parallel redundancy, napciA.A.riA.oc; nlcwvacrt6tT]c;.

standing redundancy, crtati] nlcw­vacrt6tric;· [ nlcwvacrt6tric; crt11pil;E­roc;].

redundant, MA0., MHXT., nA.w­vacr-r6c;,iJ.,6v· {ni:ptcrcr6c;,i],6v· 6-ni:p-ri:A.i]c;, i]c;,f:c;j ( = nou EX!:t XPTJGtµ07tOtT]8fj unf:p -rl)v &.vay­KT]V i:ucrrn8i:iac;, K'tA.).

redundant character, AOrilM., 1tAWVacr-roc; { 7t!:ptcrcroc;j xapa­KTijp.

redundant check, AOrILM., nA.w­vacr1l) [ ni:ptcrcrl)j £1;f:A.i;y1;tc;.

redundant equation, MA0., nA.w­vacr-rl) [uni:p-ri:A.l)c;] f:l;icrrocrtc;.

redundant framework, MHXT., 1tAWVUCY'tOV [uni:prnA.f:c;] Tl:Aat­<Jt(J)µa.

redundant hyperbola, MA0., nA.w­vacr-rl) [uni:p-ri:A.l)c;] uni:ppoA.i].

redundant member, MHXT., nA.w­vacr-rov [uni:p1i:A.f:c;] µf:A.oc;.

redundant number, nA.wvamoc; {6-ni:p-ri:A.i]c;] upt8~16c;.

redundant quantities, nA.wvacrwi [ 7t!:ptcrcrai J 7tOGO'tT]'t!:<;.

reference

redundant structure, nA.i:ovacr-rov Mµriµa· [uni:p-ri:A.l)c; cpopi;uc;].

threefold redundant structure, tptt­troc; nlcEovacrt6v ll6µriµa· [tpttt&c; unEpti::lcr,c; <popi::uc;].

redundant support, MHXT., nA.w­vacr-rl) [uni:p-ri:A.l)c;] cr-ri]ptl;tc;.

redundant system, MHXT. MA0., 7tA!:OVUG'tOV {uni:p-ri;A.f:c;j cru­G'tT]µa.

singly redundant system, µovwiroc; uni::pti::Mc; crucrtriµa.

redundant truss, MHXT., nA.wva­cr-rov [uni;p-ri:A.£c;] si:uyriµa.

simply redundant truss, anlcroc; uni::pti::Mc; l;;i::uyriµa.

Reech number, <l>YL., PTJXtavoc; a-pt8µ6c;· { &.pt0µoc; tou Pi]1c;}.

reel, TEXN., &.vf:µrr [ µacroupt ].

reentering angle, dcrf:xoucra yrovfo.

reentering polygon, dcrf:xov noA.U-yrovov.

reentrant, MA0., dcrf:xoucra ( = dcrf:xoocra yrovia KA.i:tcrtou no­A.oyffivoo ).

reentrant angle, dcrf:xoocra yrovia.

reentry, MALT., f:navi:tcrayroyl) ( = £navo8oc; t'] f:navacpopa de; -rl)v u-rµ6crcpatpav).

reentry trajectory, MALT., f:navi:t­crayroytKov -rpoxfacrµa.

reentry vehicle, MALT., oxriµa £­navi:tcrayroyfjc; · [ £navi:waywyt­KOV oxriµa].

reference, J, MA0., <l>YL., &.vacpo­pa· [napa~oA.i]j. 2, napanoµ­ni].

astronomical frame of reference, acrtpOVOµlKOV nA,a[crLOV ava<popiic;.

913

reference angle

axis of reference, a~rov ava.qJopiic;· [ li~rov na.pa.j3oA.ijc;) .

coherent reference, cruvoxtKii [ dp­µLKii] avaqJop6; { clpµtKOV criiiµa. ava.­(jJOpii<;).

frame of reference, nA.a.icrwv [ criii­µa.] 6.va.qJopiic;.

inertia frame of reference, a8pa.VeL0.-1COV 7tAO.lO"lOV UVO.(jJOpii<;.

plane of reference, enine8ov ava.­q>opiic;.

point of reference, cr11µefov ava­<popiic;· [cr11µ etov crucrxencrµou].

standard of reference, an6tunov na.pa.j3oA. ijc;· [8eµeA.La.K6v un68et yµa.· j36.mc; na.paj3oA. ijc;).

with reference to, ilic; np6c;· [ev crxfoet npoc;].

reference angle, ycovia ava<popfir;.

reference configuration, rEnM., crx;11µancr~tor; avacpopfir;. (LYN.: standard configuration).

reference ellipsoid, eHf:t\j/Of:t8er; a-vacpopfir;· [eUr;t\j/Of:t8er; crucrx;r;­ncrµou).

reference frame, nA.aicrwv [ cr&µa] avacpopfir;. (LYN.: frame of ref­erence).

reference line, ypa~tµT] avacpopfir;· [acpr;t11pia ypaµµi]). (LYN.: da­tum line).

geodesic networks of reference lines, yero8mma.Ka 8tK:turoµa.m ypaµ­µiiiv a VO.(jJO pii<;.

reference plane, E7tt7tf:OOV avacpo-pfir;· [ U(jlf:ti] ptOV E7tl7tf:OOV ]. (LYN.: datum plane).

reference point, CYT]µf:toV avacpopfir;· [acpF.ti]pwv criiµr;fov]. (LYN.: datum point).

reference record, KU'tU)'pU(jlOV UVU­cpopfir;· [ Kat<iypacpov napapo­A.fjr;j.

914

reflecting telescope

reference signal, THAEM., crfjµa a­vacpopfir;· [ crfjµa crucrx;r;ncrµou ].

reference time, x;p6vor; [ x;povtKyt crnyµT]j avacpopfir;· fxp6vor; na­panoµnfjr;j.

reference works, Ka80811yr;nKa cruy­yp<iµµarn· {Kf:iµr;va· 7tllYUt}.

referent, AOr., MA0., (to) ava­cpoptK6v.

refined, 1, hA.r;mucr~tsvor;,11,ov. 2, LTAT., en{A.r;Ktor;,or;,ov.

refined birth rate, LTAT., i:niA.r;­Kto<; yr;vv11nK6tT]<;.

refined death rate, LT AT., eniA.r;­KtO<; 8V'flCYtµ6tT]<;.

refinement, hA.sntuvcrtr;.

refinement of results, MA0., eK­Mmuvcrt<; t&v esayoµsvcov.

refinement of values, MA0., eKM­muvcrt<; t&v nµ&v.

reflectance, <'t>YL., avaKA.acrt6tT]<;. (LYN.: reflection factor).

reflected, UVUKAUCYt6r;, ii ,6v· [ ava­KAffiµr;vor;, T],OV' avaKA.acrnK6<;, i],6v).

reflected code, AOrILM., avaKA.a­crnKo<; { UVUKAUCYtO<;} Kffi8ts. (LYN.: cyclic code).

reflected pressure, UVUKAUcrtT] [a­vadacrnKT]j nir;crtr;.

reflected ray, <'t>YL., UVUKAUCY'tl] [a­VUKACOµfrr1] UKtir;.

reflected shock, MHXT., avaKA.a­crtov [ avaKA.ffiµr;vov] nA.i'jyµa.

reflected wave, <'t>YL., avaKA.acrtov [ avaKA.acrnKov] KUµa.

reflecting telescope, avaKA.acrnKOV { KU't07ttptKOY j 'tT]Af:CYK07ttOV.

reflecting surface

reflecting surface, UVUKAUCYttKT] [a­vaKA.&cra] emcp<ivr;ia.

reflection, <'t>YL., av<iKA.acrtr;. angle of reflection, yrovia. 6.va.KA.6.­

m;roc;· { UVO.KAO.O"'ttKfi yrovia). Mach reflection, <J:>YE., µa.xwvfi

6.v6.KA.a.mc;· [6.v6.KA.a.mc; Max]. mirror reflection, K:a.SprnnKii [Ka.­

to7ttptKii] av6.KAO.O'l<;. plane of reflection, Enine8ov ava.­

tl6.creroc;. regular reflection, KO.VOVLKll 6.v6.­

KA.a.crtc;. simple reflection, anA.ij av6.KA.a.crL<;. specular reflection, KO.to7ttpLKfi a·

v6.KA.a.mc;. spread reflection, 8tacrnaptfi [ µt­

Kti]) 6.v6.KA.a.crtc;. systematic wave reflections, cru­

crt11µa.nKa.i KUµanKai UVO.KA6.0'EL<;. wave undergoes countless reflec­

tions, refractions, and irregular dis­persion in its travel, t6 Kiiµa. uqJi­crta.ta.t 6.vaptSµi]touc; Ka.ta ti]v µi:t6.­m:acriv toU UVO.KA6.crw;, 8ta.8f..6.creL<;, Kai 6.Kav6vtcrtov 8tacrKE8acrµ6v.

reflection coefficient, avaKA.acrnKO<; CYUV'tf:Af:CY'ri] <;' { CYUV'tf:Af:O'tl] <; U-VUKAUO'f:CO<;}.

reflection factor, avaKA.acrnKo<; na­p<iycov· [ napaycov avaKA<icrr;cor;].

reflection in an axis, MA0., av<i­KA.acrtr; W<; 7tp0<; USOVU.

reflection in any line, MA0., ava­KA.acrtr; W<; npo<; o[av8i]7tO'tf: r;u-8cfov.

reflection in the origin, av<iKA.acrtr; wr; 7tpor; -rl]v anapx;i]v.

reflection of light, <'l>YL., av<iKA.a­crt<; -rou cpco-r6r;.

reflection plane, en[nr;Sov avaKA.ci­crr;cor;.

reflection property of the ellipse,

reflexive relation

avaKA.acrnKT] l8t6t11r; tfj<; eA.­A.d\jff:CO<;.

reflection property of the hyper­bola, UYaKAUCYttKT] tOtO'rT]<; tfj<; unr;ppoA.fjr;.

reflection property of the parabola, avaKA.acrnKT] l8t6tT]<; -rfjr; napa­poA.fjr;.

reflective, UVUKAUCY'ttKO<;,i],6v.

reflective judgment, AOr., avaK/,a­crnKT] Kpicrtr;.

reflectivity, avaKA.acrn K6-r11r;. acoustic reflectivity, aKoucrnKi] 6.­

vaKA.a.crn1<6t11c;. bistatic reflect ivity, 8tcrta.nKii 6.va­

KA.a.crnKfrn1c;. monostatic reflectivity, µovocri:a.n­

Kii UVO.KAO.O'tlKOtll<;. radar reflectivity, pa8tevtomcrnKi]

UVO.KAO.O'tlKOtll<;.

reflector, TEXN., avadacr-ri]r;· [ u­vadacrn) p· avrnuyacr-ri] p].

reflex, 'PYX., UYUKAacrµa· [ uva­KAUCY'tlKOV].

conditioned reflex, 8t8a.K16v [8teu-8et1wi:vov) av6.K/..a.crµa.

unconditioned reflex, 0.8i8a.KtoV [6.-8ti:u81':11110v) UV6.Kf..acrµa.

reflex angle, MA0., KUptT] ycovia.

reflexive, MA0., uvaKA.acrt6r;,i],6v· [ aurnna8i]r;, i]r;,f-r;}.

reflexive Banach space, MA0., a­vaKA.acrtor; Pavax;iavor; x;&por;· { avadacrto<; x;ropor; tou Mn<i­VUK' aut0na81']<; x;ropos 'tOU Mna­vaK}.

reflexive law, MA0., avaKA.acrtor; [ au-rona81']r;j v6~wr;.

reflexive relation, UVUKAUCY'tij crx;s­'ttcrt<;' [ aurnna8T]r; crx;fotr;}.

915

reflexive symmetry

antireflexive relation, avmvaKA.a­cm'J [ avmurnna0i]c;} crx8t1cnc;.

nonreflexive relation, µi] avaKA.a­crti] [ µi] aotona0i]c;} crxtncnc;.

reflexive symmetry, UVUKAUO''t'll {au­'t'07W9JicJ cruµµsrpia.

reform of teaching mathematics, avaµ6pq>wcrt<; rfjc; 8t8acrKaA.iac; Tffiv µa81iµanK&v· [ µa81iµanKii OtOaKnKii avaµ6pq>wcrtc;}.

reformation, ~ti:rnppu9µtcrtc;.

reformulation, ava8tarurrwcrt<;.

reformulate, ava8tarnrrci>vw.

refracted ray, 8ta8A.wµtv11 {8ta-9A.acrTii} aKr[c;.

refracted wave, 8ta9A.ci>µsvov [8ta-9A.acrrov j Kuµa.

refracting angle (of a prism), 8ta-9A.acrn Kii ywvia (mu rrpicr~ta­wc;).

refracting telescope, 8ta9A.acrnKov 'r11AccrK6mov.

refraction, <l>Yl:., 8ta9A.amc;.

916

angle of refraction, yoovia 8ta0A.6.­m:ooc;.

astronomical refraction, <icrtpovo­µ1Ki] r Utµocr<patptKTJ} 8t6.0A.acnc;.

atmospheric refraction, 1hµocrq>m­p1Ki] 8ui0A.acrtc;.

axis of refraction, a~rov 8ta0A.6.­m;ooc;.

complex index of refraction, cruv-0i::rnc; 8EiKtllC, 8ta0A.6.cri::ooc;.

double refraction, 8tnA.fi 816.0/...acric;. index of refraction, 8EiKtllC, 8ta-

0A.acri::ooc;. modified index of refraction , tpo­

nonorriµtvo c; 8i::in11c; 8w0A.acri::ooc;. (LYN.: refractive modulus).

noncomplex index of refraction, µi] cruv0noc; 8EiKtT]C, 8ta0Mcri::ooc;.

plane of refraction, enini::8ov 8ta-0Mcri::ooc;.

refuse

potential index of refraction, 8UVl'l­ttK6c, 8EiKtl'lC, 8ta0Mcri::ooc;.

standard refraction, <iit6tunoc; [0i::­µi::A.taKi]} 8t6.0/...acrtc,.

subrefraction, uno8ta0A.acnc;. substandard refraction, uno0q1i::­

A.taKTJ 816.0/...acrtc;. superstandard refraction, uni::p0i::­

µi::A.taKTJ 8ui0A.acr1c;. terrestrial refraction, YTJlV'l 816.-

0/...acnc;. total refraction, 6A.1Ki] 81cl0A.acr1c;.

refraction error, <DYl:., 8ta9A.acrn­KOV crcpaA.µa · [ crq>aA.µa 8ta9A<i­crswc;j.

refraction index, <DYl:., 8ta9A.acrn­KO<; oci K't'11S' {ociK't'llS Ota9A<i­crswc;j.

refraction of light, <I>Yl:., 8ui9A.acrt<; mu q>wT6<;.

refractive index, 8ta9A.acrnKo<; 8ci­KT11S·

modified refractive index, tpono­noiriµtvoc; 8ta0A.acrttK6c, 8EiKttic;.

potential refractive index, 8UVl'ltt­KOC, 8ta0A.acrttK6c, 8EiKt11c;.

specific refractive index, d8tK6c, 8w0A.acrttK6c, 8EiKtl'lC,.

refractive modulus, 8ta9A.acrnKov µ68wv . (l:YN.: modified index of refraction).

refractivity, 8ta8A.acrr6qc;·[8ta8A.a­crnK6r11c;}.

refractory material, rrupi~iaxov [a­A.ssirrupov j uA.tK6v.

refrangible, 8ta9A.acrr6c;,T],6v.

refrigerating engineering, \j/UKrnA.o­ytKii µllxavorsxvia.

refrigeration, \j/USt<;.

refuse, cmoppiµaw· { O'KOUTtlOta• cra~oupa· aKa9apcric<;}.

refutable

refutable, MA0., avnppi]crtµoc;,oc;, ov· [ avnpp11r6c;,T],6v }.

refute, MA0., avnKpOU(l)' [ arro­KpOU(l)' arrooctKVU(l) \j/WOE<;}.

regard, OTIT., rrp6cr~Ac\j/t<; . line of regard, ypaµµi] npocr~A.8-

ljlEOOC,. plane of regard, eninE8ov npocr~A.8-

lj!Eroc,.

regeneration, ] , UVUTtAUO'lS' {9cnKJi avuopamc;]. 2, avaytvv11mc;. 3, AOrilM., avacrx1iµancrµoc; ( =

UVUO'KWll l:A.anwµanKOU arro-911 KcU't'lKOU µfoou).

regenerative cooling, UVUTCAUO'HKll \j/UXpavcrtc;· { avarrA.acrnKJi \j/U­St<;}.

region, MA0., OIK., nspwxiJ . biased critical region, LT AT., µE­

poA.rinnKi] Kpicrtµoc; rteptoxfi. Chapman region, tcranµavwvi] rtE­

ptoxfi· [ni::ptoxii rnu Tcranµav]. continuous in a region, cruvcxi]c;,i]c;,

tc; EV tlVl 1tEPtoXD· continuous surface in a given

region, cruvi::xi]c; Etc; ttva 7tEp1oxi]v t mq>UVEta.

critical region, Kpicrt>tOC, rteptoxi] . development of plastic regions,

ovantu~t c; nA.acrnKrov rtEptoxrov. Fraunhofer region, q>paouvxoq>E­

piavi] 1tEPtoXii' [ 7tEPlOXTJ tOU <l>paouv­x6q>Ep}.

Fresnel region, q>pEcrvEA.tavi] rtEpto­xir [nEpwxii rnu Cl>pcvf.A.} .

fringe region, ALTP., METEQP., KpacritE8tKll 7teplOXTJ ( = tO UVOO tµfi­µa tiic; e~oocrq>a[pac;).

fundamental region, MA0., 0i::µe­A.1c.i>81'lc; 7tEPtoX1).

integral curvature of a re6ion (on a surface), 6A.oKA.T]poottKll KaµnuA.6-t11c; ncpwxfic; (emq>avEiac;).

integral (extended) over the region, OAOKA.i]pooµa (eKtEIVO>leVOV) ava ti]V nEptoxiJv.

register

interference region, <l>YL., aA.A.riA.o­tUmKi] 1tEPtoXiJ' [rtEptoxiJ cruµ~o­A.i'jc;}.

ionospheric regions, lov(t)ocrq>m­ptKai ncpwxaL

multiply connected region, noA.A.a-nA.roc; cruvanti] nEptoxi] .

period region, rtEptox iJ 7tEpt68ou. plastic region, nA.acrnKi] 7tEptoxi]. point of the region, cr!'lµEiov tfjc;

1tEPlOXfi(,. simply connected region, ant.roe;

cruvanti] ni::pioxi].

region of a point, nspwxii [ysno­vla} wu miµsfou.

in the region of a point, elc; ti]v rtE­pioxi]v [de; ti]v yE1t0viav] €voe; crri­µtiou.

region of escape, MAl:T., ni:ptoXii 8taq>uyfjc;. (lYN.: exosphere).

region of integration, ni:ptoxii 6/...0-KA.11 pci>crswc;.

function summable over the region of integration, cruvaptl'l<HC, a0poi­<n>lOC, eni ti]v nEp1oxiJv tile; 6A.oKA.TJ­pc.i>crco:>c;.

region of ~eismic activity, nspwxl) ( Tfj<;) O'ctO'~LtKfj<; OpUO''t'll pt0't'11-'t'O<;.

regional, nspwx1K6<;,i] ,ov (= rfj<; ni:ptoxfic;).

regional planning, OIK., x;wpo­oo~t(a· { nspLOXtKO<; npocrxsota­cr~16c;· x;wpo8oµtK6<; npoypaµµa­ncrµ6c;· x;wpornsia].

register, µllrp&ov. cash register, taµ EtaKi] µ1ixavi]·

[mµciov]. check register, e~EAEyKttK6v µ11-

tproov. circulating register, KUKAOq>optaKOV

µ11tproov. control register, eA.cyKttK6v µri­

tproov.

917

register length

index register, OElK'tlKOV [ t\ipE!TJ· ptaKOV} µT]rpii'Jov.

instruction register, f:vraA.11Kov µ11-1pii'Jov.

magnetic shift register, µayv11rn­µi;1maKnK6v µT]rpii'Jov.

memory register, µvT]µlKOV µT]-1pii'Jov.

operation register, npa~wA.oy1K6v µ111pii'Jov .

program register, npoypaµµ1K6V µT]1pii'Jov.

shift register, µnaWKHKOV [ µE1a­wmcrnK6v} µ111pii'Jov.

standby register, f:<pEoplKOV µ11-1pii'Jov.

storage register, uno911KtunK6v µ11-1pii'Jov.

register length, µfjKoi; µrrrpwoD.

registration, 1, {;yypa<p11cni;· [{;y­ypa<pi]j. 2, avaypmpij· { KUta­ypa<pij · Karnxc0p11mi;}.

place of registration of earthquake, 16no<; [9tcri<;] f:yypa<pi]crEw<; rnu cri;1-crµou.

regress, MA0., ava8poµi]. axiom of excluded infinite regress,

a~iwµa "Cf\<; U7t0KAELOµtvT]<; untipou uvaopoµfj<;.

regression, 1, MA0., ava8p6µ11cni;· {ava8poµi]]. 2, LTAT., ava8p6-µ11cni;· [far:avaywyi]j. 3, ALTP., avacrtpo<pi].

curve of regression, Kaµm'>A.TJ uva­opoµi]crEo:J<;.

edge of regression, aKµii (1fjc;) UVUopoµi]crEo:J<;.

equation of linear regression, f;~i­crwcric; (t"fj<;) ypaµµlKf\<; avaopoµf]­O"Eo:J<;.

line of regression, ypaµµii uvaopo­µi]crEo:J<;.

linear regression, ypaµµlKll UVU· opoµT]cric;.

regression coefficient, crDvtsA.rnn)i; UVUbpoµijcrEroi;· {avabpoµtKO\; crnvtsA.rnti]i;].

918

regular analytic curve

regression curve, LTAT., Kaµm'.JA-11 UVabpoµijcrEW\;" { KaµnUAl] {;n;a­

vayroyfji;· UVUbpoµtKTJ Kaµn;\:J­Al]j.

regression effect, ava8poµtKOV {;v­

t\:Jnroµa- {<pat VO~LEVOV ava8po­µijm;roi;j.

regression equation, UVabpoµtKTt {;sicrrocrti;• [f.sicrrocni; ava8poµi]­()E(J)i;J.

regression function, UVUbpoµtKl'Ji crDvaptl]crti;· { crDvaptl]crti; ava-8poµi]crsroi;}.

linear regression function, cruv<ip­t"T]crt<; ypaµµ1Kfj<; avaopoµf]m;wc;.

mean regression function, cruv<ip­t"TJO"l<; µfoll<; uvaopoµi]crEo:J<;.

regression of the nodes, ALTP., avacrtpo<pl) [ava8p6µ11mi;J tow crDv8foµrov.

regressive, MA0., LTAT., ava8po­~nK6i;, i],6v.

regressive differential coefficient,. MA0., ava8poµtKoi; 8ta<popt­Koi; ()l)VtEArnti]i;.

regressive multiplication, MA0., a­va8poµtKoi; noA.A.an;/,acrtacrµ6i;.

regressive mutation, <I>YLIOA., a­va8poµtK1) UAµatrocni;· { UVUbpo­µtKl) uA.µanKl) µi:tapoA.i]}.

regressive supply curve, LT AT., avabpoµtKl) Kaµn;UAl] npocr<po­pai;.

regula falsi, = rule of false (posi­tion).

regular, 1, taKttK6i;,i],6v. 2, MA0., KUVOVLK6i;,ij,6v.

regular analytic curve, KavovLKTJ a­vaA-Dtt Kl) Kaµn\:JA. 11 ·

regular analytic function

regular analytic function, KavovtKl) UVUA\)tlKTJ ()l)VUptl]crti;.

regular analytic space curve, Kavo­VtKl) avaA-DnKl) KaµnuA-11 toil xwpoD.

regular Banach space, KavovtKoi; PaVUXtaVO\; Xffipoi;· {KUVOVlKO\; :x&poi; wu MnavaK}.

regular body, MA0., KavovtKOV ( crti:pi:ov) cr&µa.

regular continued fraction, Kavovt­KOV cruvi:x£i; KA<icrµa.

regular curve, KavovtKTJ Kaµn\:JA-11.

regular decagon, KUVOVLKOV bEKU­yrovov.

regular definition of the sum of a divergent series, KavovtKoi; 6-pwµoi; toil a8pofoµarni; ano­KAlVOUcrl]i; cri:ipai;.

regular dodecagon, KavovtKov 8ro-8i:Kayrovov.

regular dodecahedron, KavovtKOV 8ro8EKUE8pov.

regular function, KavovtKl) crDvap­tl]crti;.

regular function of a complex variable, KUVOVtKl) ()l)VUptl]CH\; µtya8tKfji; µi:taPA-11tf\i;.

regular group, KUVOVtKl) oµai;.

regular heptagon, KavovtKov £nta­yrovov.

regular hexagon, KavovtKov £sa­yrovov.

regular hexahedron, KavovtKOV £-1;ai:8pov.

regular icosahedron, KavovtKOV d­Kocrai:8pov.

regular polygon

regular integral (of a linear dif­ferential equation), KavovtKOV 6A-oKA-i]proµa (ypaµµtKfji; 8ia­<poptKfji; £swc0cri:roi;).

regular nonagon, KavovtKov svvi:a­yrovov.

regular octagon, KavovtKov oKta­yrovov.

regular octahedron, KUVOVLKOV 6-Ktai:8pov.

regular parameter (of a regular analytic space curve), KavovtKyt n;apa~tEtpoi; (KUVOVtKf\\; UVUAU· ttKfj\; KaµnUAl]\; toU XWPOU ).

regular pentadecagon, KavovtKOV 8i:Kani:vtayrovov.

regular pentagon, KavovtKOV nsvta­yrovov.

regular permutation group, Kavo­VtKl) ~LEtatUKttKl) oµai;· { KUVO­Vl Kl) oµai; µi:tmassroi;J.

regular point, KavovtKov cr11µ£Lov.

regular point (of a function of a complex variable), KavovtKOV cr11 µEiov ( crDvaptf)cri:roi; µtya8t­Kfji; µi:taPA-11tf\i;).

regular point of a space curve, KUVOVtKOV cr11µEiov KaµnuA-11i; toil xwpou.

regular point of a surface, Kavovt­KOV cr11µEiov f.m<pavElai;.

regular polygon, KavovtKOV noM­ywvov.

apothem of a regular polygon, an69Eµa KUVOVlKOU 7tOAUycOVOU.

area of a regular polygon, f:µpaoov ( "COU) KUVOVlKOU 7'0A.uyrovou.

center of a regular polygon, Ktv-1pov Kavov1Kou noA.uyrovou.

919

regular polyhedron

circle circumscribed about a regular polygon, KUKA.oc; 7tEptyEypaµµ€voc; de; KUVOVLKOV noA.uyrovov.

circle inscribed in a regular polygon, KUKA.oc; EYYEYPU>tµ€voc; de; KavovtKOV noA.Uyrovov.

long radius of a regular polygon, µaKpa CtKtic; (tau) KUVOVLKOU noA.u­yoovou.

perimeter of a regular polygon 7tEpiµEtpoc; KUVOVLKOU noA.uyoovou. '

radius of a circle circumscribed abou t a regular polygon, 0.Ktic; xu­KA.ou 1t€pl yEypaµµ€vou de; KUVOVL KOV noA.uyrovov.

radius of a circle inscribed in a regular polygon, aKtic; tau de; Kavo­VLKOV noA.Uyoivov tyyeypaµ>tevou KU­KA.Ou.

short radius of a regular polygon, PPaxEra [ µtxpaJ aKtic; (tau) Kavovt­xou noA.uyoovou.

regular polyhedron, Kavov1Kov n:o­A.61:8pov.

regular prism, Kavov1Kov n:picrµa.

regular pyramid, Kavov1K11 n:upa­µic;.

axis of a regular pyramid, a~rov (tfic;) KUVOVLKfjc; nupaµiSoc;.

regular quadrilateral, KavovtKOV TE­-rp<in:/..irnpov.

regular reflection, KUVOVtKi'j UVU­KAUCJLc;.

regular sequence, J, Ka°VOVtKi'j a­KOAOU9ia. 2, = convergent se­quence.

regular solid, KUVOVlKOV O'TEpE6v. five regular solids, (ta) nevtE

KUVOVLKCt CHEpECt ( = tptyOOVLKij 1tU­paµic;, KuPoc;, 6KtaEopov, orooEKCtE­opov, KU( ElKO<JUEOpov).

regular space, MA0., KavovtKoc; XWpoc;· (Ka<' avn81acr<0/..i'jv n:poc; -ro normal space, 6p6661:­<0c; x&poc;).

920

rejecting figures

regular substitution group, Kavovt­Ki'j UVTLKUTUO'WTLKi'j 6µac;· {Ka­VOVtKi'j 6µac; UVTLKUWO'TUO'EWc;j.

regular tetrahedron, KUVOVLKOV TE­Tp<ii:opov.

regular variational problem, Kavo­VtKOV µ1:-ra/../..aKnKov n:p6PA.TJ­µa· { KUVOVLKOV n:p6p/..Tj~ta TOU /..oytcr~tou -r&v µi;w/../..ay&v].

regularity, 1, WKnK6n1c;. 2, Kavo­VtK6t1ic;.

regulatory, KUVOVLO'TLK6c;,i] ,6v.

regulus, MA0., xapaKwTi'j ( = xa­pUKTi'j l] 1:ue1:wyi:vi'jc; tn:up<i­v1:1a). (LYN.: ruled surface).

complementary regulus, cruµnA.ri-POO>tatLKi] xapa.Krot1) .

director regulus, otEU9Etaucra. xa­paKroti].

rehabilitation, OIK., an:OKUTUO'TU­CJtc;• [ UVUCJUYKPOTT]CJLc;j.

postwar rehabilitation program, >tEta.1tOAEµLKOV np6ypaµ>LU Ct1tOKata­crt0.crEroc;· [ np6ypaµµa. µEt0.1tOAEµL ­Kfjc; Ct1tOKO.ta.crt<icrEroc;].

reinforced concrete, TEXN., evt­crxuµevov [ ffin:A.tcrµevov} crKup6-81:~ia.

reinforced monocoque fuselage, evt-crxuµevri ~lOVOKEAU<poc; chpa-KToc;.

reinforced monocoque principle, ap­xi'J TOU evtCJxuµevou µoVOKeAU­cpou ( cpopewc;).

reinforcement (of joints), M HXT., €viCJXUCJtc; {6n:/..tO'~lOc;j (<WV K6µ­pwv).

rejecting figures, API0., arc6ppt\Jftc; apt6µ11nKWV \j/Tj<piwv (Ka<a TO O'Tpoyyl>/..EU~lU £voe; apt9µoiJ)· { O'KapniptCJ~ta \jlrJ<pLWV}.

related

related, crx1:ns6µ1:voc;,TJ ,OV' [ crx1:­nK6c;,i],6v ].

related angle, CJXEnKi'j { avacpopt­Ki'j} ywvia.

related expression, CJXETLK~ [ ESTJP­<ri µevri] n:apacr-raCJLc; .

related figures, rHlM., crx1:ns6-~t1:va crxfiµaw.

radially related figures, UK'tLVLKiilc; crxEn~6µEVO. crxi}µam. (IYN.: homo­thetic figures).

related functions, crx1:nKai cruv-aptficr1:1c;. (LYN.: dependent functions) .

relation, I, MA0., crxencrtc;· [ crxe­CJLc;j. 2, A.Or., crxeCJLc;· [avacpo­p<i}.

antireflexive relation, avmutana­Oi}c; [ 6.vtavaKA.a.crti]} crxenmc;.

asymmetric relation, acruµµHpLKij <JXE'tlcrt<;' { acruµµHpoc; crxfotc;f.

dual linear relation, oiouµoc; [ott­ti]} ypaµµLKTJ <JXE'tlcrtt;.

equivalence relation, MA0., crxe­ncrtc; [ crxfotc;] icroouvaµia.c;.

functional relation, cruvaptllO"LUKll ox€nmc;.

fundamental relation, 9EµEA. tooo11c; oxemc;.

fundamental relations between the trigonometric functions, 9EµEA.tooi5Etc; oxecrEtc; t&v i:ptyrovoµEtptKiilv cruv­apti}crErov.

fundamental relations of trigonom­etry, 9EµEAL000Etc; crxfoEtc; [9E>LE­Al000Elt; i:aut6tfltEc;] i:fic; tptyrovoµ E­i:piac;.

fundamental trigonometric rela­tions, 9Eµ EALOOOELc; i:ptyrovoµEtptKai CfXEcrEtc;• [9EµEA.t000Etc; i:ptyrovoµ Etpl­Kai i:aut61qtEc;].

human relations, av9promKai { cru­VEpyanKaij crxfoEic; ( = crxfoEtc; µE­i:a.~u cruva.v9poonrov).

in projective relation, tv npoPoA.tKU CfXE<JEL.

relation between the roots

indefinable relation, aotaKa96pt­crtac; crx€ncrtc;.

intransitive relation, AOf'., aµE­i:ciPa.tac; crxfo1c;.

linear relation, ypaµµLKT] <JXE'tlcrtc;• [ypa.µµtxi] crxecrtc;].

mass-energy relation, crxecru; µa­~ric;-&vEpyEiac;. (IuµP.: E = m2).

materials obeying the (Maxwell) stress-strain-time relation, ilA.txa o­nEiKovm de; i:T]v (µa~OUEA.f..tKT]V) <JXE­Cfl V i:6.crEroc;-emi:cicrEroc;-xp6vou.

Maxwell relations, µa~ouEA.A.wvai crxEticrEic;'[ crxfoEic; tau Ma~youEA.].

nonreflexive relation, µ1'] autana-91']c; crxei:tcrtc;.

nonsymmetric relation, >Lii cruµµE­i:ptKT] <JXE'tl<JLc;.

nontransitive relation, AOf'., µ1'] µEta.PanKT] crxfotc;.

order relation (between real num­bers), <JXE'tlcrtc; 1:U~EOOc; {i:a~LKT] CfXE­mc;j (µEW~U npayµanKOOV apt9µiilv).

projective relation, npoPoA.txT] crx€­mc;.

public relations, oqµ6crtat CfXECfEtc; ( = crxfoEtc; µI': 16 KOLVOV).

quantitative relations with the con­comitant factors, nocronKai µEta i:iilv cruµnapoµaptauvi:rov napay6v­i:rov <JXE<JELc;.

recurrence relations, MA0., 1, crxE­i:icrEtc; avacruµPEP11K6i:1itoc;. 2, crxe­CfEtc; (mocrtpocpfjc;.

reflexive relation, autana91']c; crxe­ncrtc;.

symmetric relation, cruµµEtpLKT] crxencrtc;.

transitive relation, MA0., µEm­PanKT] crxfoic;.

relation between direction cosines, CJXfotc; µETUSU btEU9UVTLKWV (ev tcp XWPQl) O'UVr]µtTOVWV.

Pythagorean relation between direc­tion cosines, nu9ay6pELOc; crx€crtc; µE­m~u OtEU9ovnKiilV (ev •iii xoopcp) croviiµt t6vrov.

relation between the roots and coefficients of an algebraic equa-

921

relation of complex variable-theory

ti on, crxfoti; µi;rnsu [ crxf:.mJtC;j pt~&v Kai O"UV'tEAEO"'tWV µtfri; <iAyi;ppud'ji; £stcrfficri;roi;.

relation of complex-variable theory to prediction theory, crxfoti; 8c­ropiai; µtya8tKfji; µsrnPAYJtfji; Kai 8i;ropiai; 1&v npopA,f.\jlcrov.

relation of conformal maps to complex-variable theory, crxfoti; cruµµ6p<prov dKovtcrµ&v Kai 8i;­ropiai; µtya8tKfji; µi;rnPA,ri1fji;.

relation of eigenvalue to function of a matrix, crxfoti; i8t0nµfji; Kai cruvapi-Tjcri;roi; ~LYJ'tpciou .

relation of Fermat's principle to brachistochrone problem, crxf.­crti; <pcpµanavfji; Ctp'X1fji; Kai ppa­Xl<J'tOXPOVOU rcpopA,i]µawi;.

relation of Fermat's principle to least action, crxf.crti; <pcp~tana­vfji; apxfji; Kai apxfji; 1fji; flcr­crovoi; 8pacri;roi;.

relation of Fermat's principle to theory of geodesics, crxfoti; <pcp­~tanavfji; apxfji; Kai 8cropiai; yi;ro8atcrtaK&v ypaµµ&v.

relation of Green's function to the conformal mapping problem, crxfoti; yp11vtavfji; cruvapn1crcroi; [ crxfoti; 1fji; cruvap1Tjcri;roi; wu I'Kpijv] Kai (wu) rcpopA,ijµawi; (wu) cruµ~16pqiou dKovtcrµou.

relation of Green' s function to the Dirichlet problem, crxfoti; YPYJ­vtavfji; cruvapi-Tjcri;roi; [ crxf.mi; 1fji; cruvapi-Tjcrcroi; 1ou I'Kpijv J Kai (wu) 8tptKAEnavou rcpo­pt..,ijµawi;.

relation of harmonic function to complex-variable theory, crxf.crtc;

922

relationship

apµOVLKfji; O"UVaptijO"c(J)i; Kai 8c­ropfoi; µtya8tKfji; µi;wpA,YJ1fji;.

relation of harmonic function to Dirichlet integral, crxfoii; apµo­VLKfji; cruvap1Tjcri;roi; Kai 8tpt­KAEnKou 61..,odriproµawi;.

relation of harmonic function to electrostatic potential, crxfoic; apµovtKfji; cruvap1Tjcri;roi; rcpoc; 'tO ijAEK'tpocrrnnKOV 8uv1ynK6V.

relation of harmonic function to gravitational potential, crxfoic; ap~lOVLKfji; O"UVap1Tjcri;roi; rcpoc; 16 papunK6v 8uv11nK6v.

relation of harmonic function to stationary heat conduction, crxf.­crti; apµOVtKfji; O"UVaptijcr&roc; n;poi; 'ti} v <J'tclcrtµov ayffiytcrl v 8i;pµ61riwi;.

relation of harmonic function to velocity potential, crxfoti; apµo­VLKfji; cruvaptij<Jc(J)i; Kai "CaXUV­'ttKOU DUVfJ'ttKOU.

relations between areas of similar surfaces, crxfocti; £~1pa8&v 6-µoiwv £mqiavi;i&v.

relations of rigidity, MHXT., crxf.­crcti; cr1i;pp6i-riwi; .

relationship, MA0.,AOI'., crxfoti;. abstract theory of relationships.

UqJTJpT]µEvT] m;pi crxtcrnrov 0eropia. algebra of relationships, aA. Y€~pct

'\'WV O'XEO'EOOV. analytic relationship, avaA.onKit

crxfotc;. congruence and similarity relation­

ships, crxtcrctc; 6µot6'!'11wc; Kai icro­~wt6'l'TJ'l'Ot;.

correlation of relationships, cru­crxtnmc; 'l'WV crxtcrerov.

curvature-moment relationship, crxfo1c; KaµnuMn1wc;-poitfjc;.

relative

empirical relationship, €µn€tptKi] crxtmc;.

functional relationship, crovap'l'TJ­crtaKTJ crxtmc;.

load-time relationship, crxfotc; qJOp­'l'icreroc;-xp6vou.

materials obeying the (Maxwell) stress-strain-time relationship, \JA.tKa U1telKOV'\'at de; 'l'TJV (µa~OUel..A.taVi]V) O'XEO'l v '\'UO'EOOc;-tm '\'UO'EOOt;-X p6vou.

nonlinearity of the stress-strain relationship, µi] ypaµµ1K6tT]c; tfjc; oxtcreroc; '!'6.creroc;-tm t6.cr€(i)(;.

one-to-one relationship, crxfo1c; t­voc;-npoc;-Ev· [ µovoµov6nµoc; crxt-01c;].

orthogonality relationship, crxfotc; op0oyroVLKOtT]'\'Ot;.

pattern of relationships, owµ6p­<proµa ( tOOV) O'XEO'EOOV.

stress-strain relationship, crxtcrtc; '!'6.creroc;-tm t6.creroc;.

stress-strain-time relationship, crxt­O"lt; t6.creroc;-tmtcIO'€ffi;-XPOVOU.

synthetic relationship, cruv0etLKTJ crxtmc;.

theory of relationships, 0eropia toov O'XEO'EOOV.

relative, O"XE'ttKOi;,Tj,6V.

relative, 1, <JXE'ttKOi; opoi;. 2, O"XE­

nKfj (Mo µi;1apA,rii-rov). algebra of relatives, = algebra of

relationships.

relative address, AOI'IEM., crx;i;n­Kij 8iaµov~.

relative angular momentum, crxc­nKfj yrovtaKi} puµri.

relative code, <JXE'ttKOi; KWblS.

relative coordinate system, crx;c­nx6v cruv1i;1ayµf.vov crucri-riµa.

relative displacement, MHX., crx;i;­nKl) µc'tUKLVfJO"li;.

relative distance, crxcnKl) Cl7tOO"'ta­<JLi;.

relative position

relative distribution function, cruv­api-ricrti; O")(;E'tlKfji; Ka''CUVOµfji;.

relative error, crx;cnK6v crqiaA,µa.

relative frequency, crx;cnKfj crux;v6-1rii;.

relative frequency function, <JXE'tlKlt crux;vonKll cruvapi-ricrti;· [ cruv­ap1ricr1i; crx;cnK1ii; O"UXVO'tY]'tOi;j.

relative humidity, O"XE'ttKl) f>ypa­cria.

relative magnitude, crx;cnK6v µt­yi;8oi;.

relative maxima and minima prob­lems, rcpopA,ijµarn <JXE'ttKWV µ&­ytO"'t(J)V xai £A.ax;icri-rov.

relative maximum, crx;cnKOV µt­ytcrwv.

relative maximum of a function, crx;cnK6v µf.ytcrwv cruvapi-ijcri;­roi;.

relative minimum, crx;cnK6v £A,a­x;tcr1ov.

relative minimum of a function, crxcnKov £A.axtmov cruvapn'J­crcroi;.

relative momentum, crxi;nxl) poni].

relative motion, crx;cnKl) x(vricrti;.

relative movement, crxcnKl) xivri-crti;.

speed of relative movement, ta­xutqc; O'XEtlKf\c; KLVTJO'EOOt; . (EYN.: relative speed).

relative multiplication, crx;i;nxoi; rcoA,A,arcA.acrtacrµ6i;.

relative number, crx;cnKoi; &pt8µ6i;.

relative permittivity, HAEK., crx;s­nKl) £nt1pc7tnK61rii;.

relative position, O"XE'tlKij 8foti;.

923

relative scatter intensity

relative scatter intensity, evtacrt:; O"Xe'tlKOD crKeOacrµoD.

relative scattering function, crovcip­TT]crt:; O"Xe'tlKOD O"KeOacrµoD.

relative shear distribution (over the height of a building), crxi::rno't 8tatµT]nKi't Karnvoµi't (ava to U\jlo:; TOD 1mpioo).

relative speed, crxenKi't TUXUtT]:;. (EYN.: speed of relative move­ment).

relative sunspot number, crxi::nKo:; apti:lµo:; T]A.toKT]AtbtKfj:; 8pcicre­ffi:;.

relative tensor field, O"Xe'tlKOV ta­vocrµanKOV rce8iov.

relative term, AOr., crxenKo:; opo:;.

relative to, O"Xe'tlKW:; 1tp6:;· { avaq>o­ptKGl:; np6:;j.

relative value, MA0. , crxi::nKi't nµi1.

relative-value index number, OIK., d8tKo:; ttµcipt8µo:; · [apt8µo8ei­KtYJ:; crxi::nKfj:; nµfj:;j .

relative variation, MA0., crxi::nK1't µi::taUayT] .

relative. velocity, crxi::nKD tcixovcr1:;.

relative velocity between the mass and the ground, MHXT., crxi::­nKi't TclXOVcrt:; µetaSU µcisl]:; Kai eOaq>cO~tatO:;.

relative velocity response spectrum (of a system), MHXT., cpcicrµa UVTlTclSeffi:; tfj:; crxenKfj:; ta­xuvcreffi:; ( t vo:; crocrtl']~iato:;).

relative vorticity, crxi::nKi't crrpoPt­A6nK

relatively, O"Xe'tlKW:;.

924

relativity

relatively finite number, crxenK&c; ni::ni::pacrµEvo:; apt8µ6:; .

relatively large lateral loads, crxi::­nK&:; ~ti::yciA.a nA.eoptKa q>optia.

relatively prime quantities, crxi::n­K&:; np&rnt (npo:; aUT]A.a:;) no­cr6tT]re:;.

relatively short length of time~ crxi::nK&:; ppaxu x.povtK<'>v 8tci­m11µa.

relativism, O"Xe'tlKtcrµ6:;.

relativistic, O"Xe'tlKlO"'tlKO:;,Tj,6V.

relativistic mass, crxi::nKtcrnKi't µfi-sa.

relativistic mass equation, £sfcrffi­crt:; (rfj:;) crxi::nKtcrnKfj:; µcisri:;.

relativistic mechanics, O"XeTtKtcrn­KD µrixavtKT].

relativistic particle, crxenKtO"'tlKOV crffiµcinov.

relativistic quantum mechanics, crxi::­'tlKtcrn Kil aKptpocrto~111xavtKTj .

relativistic theory, O"Xe'tlKlO"'tlKi't 8e­wpia.

relativistic velocity, O"Xe'tlKtcrnKl'Ji rcixovcrt:;.

relativity, O"Xe'tlKO'l"T]:;. axioms of the special theory of

relativity (by Caratheodory), ci~L<il­µa-ca •ii<; ELOLKi'\<; ei:ropia<; <ii<; O"XE­'tl K6n1w<; (ota<unro9i:vw napa <oi> Kapa9woropii).

kinematic relativity, K1v11µanKTi! crxEnK6t11<;.

mathematical theory of relativity, µa811µa'tLKi] 9Eropia •ii<; O"XEtlKOtllt"O<;.

mathematics of relativity, crxE<LKt­crnKO. µa811~1anKa· [ µa9riµanK6. <ii<; (9Eropia<; •ii<;) O"XE'tlKO'tTjt"O<;}.

special [restricted} (mathematical) theory of relativity, Eio1Ki] /nEpLOlpL-

relativity equation

crµi:v11} (µa81iµanKi]) 9Eropia i:ii<; crxE­nK6i:111:0<;.

theory of relativity, 9Eropia tii<; crxEtlKOtT]tO<;.

relativity equation, <JXe'tlKtcrnKi't £sfowm:;· [£si.crwcr1:; crxi::nK6-tYJTO:;j.

relativity theory, O"Xe'tlKtO"'l"tKi't 8e­ffipia· {8effip(a tfj:; O"Xe'tlKO'l"T]­TO:;j.

relatum, AOr., (to) crxenK6V.

relax, MA0., xaA.apffivffi. over-relax, unEpxaA.ap<ilvro.

relax an equation in a cyclic order, MAE>., xaA.apffivffi £sicrfficrtv Ka­ta K\lKAtaKi'tV 'l"clStV.

relaxable, MA0., xaA.apci:icrtµo:;,o:;, OV.

relaxable systems of equations, xa­A.aprocrt~ta crocrr~~taTCl estcrci:icre­(J)V.

relaxation, MA0., xaAcipfficrt:;. componentwise relaxation, cruvL­

cri:ronKi] xaA.ciprocrt<;.

mathematical analysis of compo­nentwise relaxation, ~1a8riµanKi] civci­A.ucrL<; tf\<; O"UVtcr'tOl'tlKii<; xa/capc.iJcrEOl<;.

methods of relaxation, µ i:9oooL xa­A.ap<ilcrEro<;.

technique of relaxation, tEXVLKTJ xaA.ap<ilcrEro<;.

relaxation method, xaA.apffinKD ~L E-8o8o:;· [ µE8o8o:; xaA.aprocri::w:;).

Gauss-Southwell relaxation meth­ods, xaA.apronKai µi'.:eooot [ µi:9ooot xa/capc.iJO"EOl<;} rKaOU<;-L:aou9yOUE/c.

systematic over-relaxation methods, crucrt11µanKai unEpxaA.aprotLKai µi:­eooot· [ crucri:11µanKUi µi:9ooot U7tCp­x a/ca pc.ilcrcro<;}.

variations of the relaxation meth­ods, napaA,A,ayai i:ci'lv µE96orov xaA.a­pc.ilcrEro<;.

reliability

relaxation oscillation, xaA.apffinKl) taA.civtfficrt:;· { rnA.civrfficrt:; xa­A.apfficreffi:;j.

relaxation of variables, xaA.cipfficrtc; r&v µi::taPA.111&v.

solution by relaxation of variables, tniA.ucrt<; otci xaA.ap<ilcrEro<; tci'lv µE-ca­~A. ritci'lv.

relaxation process, xaf..apwnKi't bta­btKacria· { xaf..apffinKi't µernyco­yljj.

acceleration of the relaxation pro­cess, em i:axuvcrL<; <ii<; xaA.apronKi'\<; otao1 Kacria<;.

relaxation time, xaf..apW'tlKO:; XPO­vo:;· [ xp6vo:; xaA.aprocri::w:;).

relaxer, MA0., xaA.apwrT]:;.

relay, TEXN., 1, avaµi::rci8ocrt:;"[ a­vuKoµt8i't]. 2, µi::rn8orl]:;· [ava­µi::rn8on1:;· 11A.i::Krpov6µo:;).

release, <!>YE. , <'i.cpi::crt:;. rate of strain release, MHXT.,

otan~1i] Ctq>foEro<; •ii<; tm tcicrEro<;.

strain release (of the earth), aq>Ecrl<; {cin6/cucrt<;} tf\<; E7tltUO"EOl<; (tii<; crELO­µi;vq<; Yii<;).

release of energy, <'i.q>i::crt:; £vi::pyi::ia:;. rapid release of a large amount

of energy, taXELa aq>Ecrt<; µEyciA.ou 7tOO"OU evEpyEia<;.

release of the load, MHXT. , <'i.q>ecrtc; TOD q>opriou.

relevance, 1, crxi::crtµ6111:;. 2, papu­tT]:;· {SumKD criiµacria.}.

reliability, 1, astomcrria. 2, MHXT., AeLTOupy11cria ( = astomcrtia t\ pacrtµ6tri:; Ael TOupy~cri::w:;· a­crcpaA.i't:; A.etTOupy11cr1:;).

channel reliability, otauA.LKi] [Kav­VLKi]) A.Htoupyqcria.

circuit reliability, KUKA.roµanKi] A.Et­toupyqcria.

925

reliability coefficient

reliability coefficient, MHXT., cruv-11>A.i::crn']c; A.enoupy11criac;.

reliability engineer, Aetmupy11cna­KO<; µ11xavo1sxv11c; .

reliability engineering, A.etmupy11-cnaKT] µllxavo1exvia.

reliability studies (of electronic de­vices), A.etmupy11crtaKai µ1>A.£1at [ µeA.8r:at pacrtµ6tT]_m<; A.et mup­yi]crewc;J (1&v 11A.eK1povtK&v 8t­acrKe0wv).

reliable, ast6mcrmc;,oc;,ov· [0acrt­µoc;,oc;,ov].

relief (in compression), MHXT., £A<i<ppuvcnc; (n"jc; 8A.iljlewc;).

relief map, XAPT., avayA.u<ptKo<; { µop<pOAOYLKO<;} xap111c;· {µop­<j)OXUP't11<;}.

relocate, avamn:ii;;w· [ µ1>1amn:ll;;w J (= µern<pspw i:ic; vfov i'] aU11v 8fotv).

relocation, 1, ava16mcnc;· [ ava10-mcrµ6c;j. 2, µ1>rn16n:tcrtc;· [ µern­mmcrµ6c;j.

reluctance, 1, an:po8uµia. 2, HA.EK., 8ucr<pop6111c;· [ µayv11rnv1icrm-cnc;].

specific reluctance, Eiouo'l oucrcpo­po1:6'rT]i;· [ EiotKTJ µayvT]tavtfoi:ami;j.

remainder, 1, API0., un:6A.otn:ov· [un:epoxi1]. 2, AAr., un:6A.etµ­µa.

partial remainders, µEptKa (m6-A.oma.

remainder for Taylor's theorem, un:6A.etµµa [ crn~tn:A 11 pwµan KO<; opoc;] 8tu 10 8erop11µa mu TaWA.op.

926

Cauchy's form of the remainder for Taylor's theorem, KOJcrEtavr') ~wp­cpr') [ µopcpr'J Kata Krocru j toil cruµrcA.T]-

remote

proµattKoil 6pou toil tmi.iA.opiavoO Oi;ropi]µatoi;.

Lagrange's form of the remainder for Taylor's theorem, A.aypav~tavl'j µopcpr'J [ µopcpl'J Kata Aaypav~j toil cruµrcA.11proµanKoil 6pou toil tati.i­A.optavoil f)i;ropi]µatoi;.

Schloemilch's form of the remainder for Taylor's theorem, crx/cmµtA.XtavTJ µopcpr'J [ µopcpi] Kata HatµiA.xJ tou cruµrc/cT]pOJµattKOu 6pou toil fli>ropfj­µatoc; toil Taii.iA.op.

remainder, after the nth term, in Taylor series, un:6A.etµµa, µ1>1u 1ov vuocrr:ov opov, 1fjc; 1atUAO­ptavfjc; cretpiic;.

remainder of an infinite series (after the nth term), un:6A.etµµa an:dpou <retpii<; (µ1>1u 16v vuo­cr16v 111<; opov).

remainder theorem, MA0., 8erop11-~ta mu un:oA.oin:ou.

Chinese remainder theorem, crt­Vt K6v TCEpi UTCOAOLTCOU flgciJpT]µa.

remaining wearing value (of equip­ment), OIK., an:oµsvoucra µ1>r:a:­XP11crnKi] asia (mu £sapncrµou) ( = 8ta<popu asiac; an:oA.oytcrµou Kai asia<; n:eplO"cOO"eW<;).

remanence, MArN., n:apaµov6111c;. (LYN.: retentivity).

remanent, MA0. , MHXT., rrapa­µovoc;,oc;,ov.

remanent polarization, rrapa~wvoi; n:6A.wcnc;. (LYN.: residual polar­ization).

remedial maintenance, AOrILM., 8epan:cun Ki] [ f.n:avo p8wn Ki] J cruvr:i]p11cnc;.

remodeling, 8tacrKcui] · [ 8tacrKe0a­cnc;].

remote, 1, an:oµeµaKpUO"µEVO<;,T], OV. 2, an:oµaKpUV1LKO<;,i],6v .

remote control

remote control, 111A.i:xe1p1crµ6c;.

remote velocity, an:oµaKpUV1LKi] 1U­XUV<n<; .

removable, 1, a<patpi:16c;,i],6v. 2, MA0., £saA.ein:16c;,i] ,6v.

removable discontinuity, £saA.etmi] acruvsxeta.

removable singular point of an analytic function, £saA.etmov t-81al;;ov O"llµefoV UVUAU1LK1"j<; O"UV­apr;ij crew<;.

removal, J' a<paipi::crtc;. 2, ESUAEl­ljlt<;• [ an:aA.etljltc;}.

removal of a term of an equation, £saA.etljlt<; f an:aA.etljlt<;] opou £­s1crrocrrnic;.

removal of (the) disturbance, £sa­A.wv1c; 1fjc; 8tarnpax11c;.

remuneration, OIK., avrnµo1pi] (81' un:11 pccriac;).

renormalized, £n:avop808cr;11µ£voc;, T),OV.

rent, NOM., £vo(KLOV.

rent period, n:epio8oc; £votKtUcrewc;· [f.votKta<rnKi] n:epio8oc;].

rental, NOM., OIK., ~ucr8fov.

rente, OIK., pav1a· [n:p6cro8ov· n:p6cro8oc;].

reorganization, ava810pyavwcnc;.

reorganize, ava810pyavrovw.

repeated, £n:avaA.11n:nK6<;,i] ,6v· [£-n:avaA.11m6c;,i],6v· £n:avaA.a~10a­v6µevoc;,T],OV].

repeated eigenvalues, MA0., £n:a­vaA.aµ0av6µ1>va1 [£n:avaA.11n:1ai] t810nµaL

repeated independent trial of an

replacement value

event, I:TA T., £n:avaA.11n:nKi] av­esap111mc; OOKLµacria evoc; cruµ-0avmc;.

repeated root, £n:avaA.a~10avoµsvri f n:ep1081Ki]] pisa.

repeated trial, £n:avaA.a~t0avoµsvri [ mr: ' £n:av<iA.T]\JfL v J 8oKtµacria.

method of repeated trials, µi\Ooorn; trov €rcavaA.T]rcttKrov 80K1µamrov.

repeating decimal, £n:avaA. rin:nKov [n:ept081Kov] 8eKa8tK6v.

repercussion, an:iJXllO"L<;' { UV1l K1U­n:oc;j.

reperforator, AOrIEM., ava1pri-111c;· [ ava8ta1p111i]c;j.

repertory, pen:ep16ptov ( = Ka1a­A.oyoc; £pywv).

instruction repertory, AOrI:EM., €vtoA.oA.6ywv.

repetition, £n:avaA.T]ljlL<;. pulse repetition rate, otanµl'j (tfic;}

rcaA.µtKfi<; ercavaA.i]wi;roi;· [ pu0µ6i; rcaA.­µrocr i;roi;] .

repetition number (of seismic mo­tion), £n:aVUAT]7t:1LKO<; apt8µo<; (1fjc; O"etcrµtKfj<; KLVllO"ECO<;).

repetition of an experiment, £n:ava­ATJ\JfL<; (mu) n:etpa~mmc;.

repetitions of stress, MHXT., £n:a­vaA.iJ\JfeL<; 1fi<; 1acrewc;· [£n:ava­A.11n:nKai r:acret<;}.

replacement, UV1LKU1UO"T:Ucrt<;. axiom of replacement, a~iroµa tfi<;

CtVtLKatacrtacrEOl<;.

replacement cost, OIK., avnKa1a­crrnnKov KO<rmc;· [ K6crmc; avn­Karncr1acri:wc;].

replacement value, OlK. , avnKar:a­crr:anKi] asia· {asia UV1LKa1U-0"1UO"eW<;}.

927

replay

replay, THAEOII., uva~tEt6.8ocrn;. instant replay, iiµEcroi; avaµE'tUOO­

crti;.

replicate, lTAT., uva8tnA.ov (= uva8tnACOHKOV <JtotXEfov).

replication, 1, LTAT., uva8inA.comc;· [ ta\J't:E1CUVUAT]1j!LC.J 2, ~va8i~A.co­crtc; (nEtpuµmoc;). 3, ava8riA.co­crtc;.

replot, £7tavunonm& ( = tmornn& EK vfou).

replotting, £navunon'mcocr1c;· [l:na­vaypaq>T]crtc;}.

without further replotting, xropii; vfov U7to-rurrrocrt v· [ iivrn itEpat -rt pro U1tO't01tOJ(JE(!)<;).

report, £K8Ecrtc;. intelligence report, ~HMOLIOrP.,

EiOT]crWypa(jnKi] i:K0rnti;. inventory report, Ota0EµanKi] { U­

ltOypacptKijj i:K0rnti;.

report generator, AOrilM., f:K8E­HKTJ yEv£tEtpa· {ycv£tEtpa (µE­rnycoytKi'jc;) £K8foccoc;j.

reportage, I, xpovtKoypacpia. 2, xpovtKoypacpriµa.

reporter, 1, NOM., OIK., dcrriy11-n']c;. 2, XPOVLKOypucpoc;· [ pEn6p­tEp j.

repose, MHXT., ijp£µT]crtc;. angle of repose, yrovia fipi;µi]cri:roi;. decrement of angle of repose,

µdroµa -rfji; yroviai; i]pi;µi]crEroi;. yaw of repose, tKcr-rpocp11 i]pi;µi]­

cri:roi;.

represent, avana.pwt&.

928

models representing economic situa­tions, itp6wrra avarraptcr'tiOV'ta OLKO­voµtKU<; KUW<J'tU<JEti;.

nonlinear equations representing straight lines, µi] ypaµµ1rni t~tcrci.i­crEli; avarrar;'.miOcrm Ei.>0Eiai; ypaµµai;.

representation of a group

representation, uvanapucrtacrtc;. analog representation, avaA,oytaKi'Ji

avarrapacrwcr1i;. conformal representation, cruµµop­

cpoi; avanapacr-rami;. degree of (matrix) representation>

Pa0µ6c; [01acrwcrti;) (µT]'tpEtaKfi <;) a­vanapacr-racri:roi;.

dimension of (matrix) representa­tion, otacr-rami; [Pa0>t6i;] (tfii;) µT] -· tpEtaKfi<;) UVaitapacrtU<JE©<;.

geometric representation, ycroµi;­tptKi] UVaitapacrwcr1<;.

graphical representation, ypacptKil! avarrapacrwmi;.

group represe~tation'. 6µao1Ki] ~v~­rrapacrtami;· [ avarrapacrmcr1<;; oµa­ooi;).

matrix representation, µlFPCWKTJJ avanapacrwmi;.

parametric representation, rrapaµE­tptKi] avarrapacrmcr1i;.

pictorial representation, dKovoypa-· cp1Kij UVUJtUpacrwmc;· { UVaitapacrm­crt<; lit' ELKOV(!)V ].

positional representation, 0EcrtKiii avarrapacrtacrti;.

schematic representation, crx1wan­Ki] UVaitapacrwcrti;.

symbolic representation, cruµPoA.t ­Ki] avarrapam:acrti;.

vector representation, avucrpattKTJ! avarrapacrwcrti;.

representation of a complex num: ber, UVanapucrrncrtc; µtya8tKO t.> &.p18µou.

graphical representa.tio,n of a .com­plex number, ypacptKTJ avarrapacrta­mi; µ1yaOtKOD ap10µou.

trigonometric representation of a complex number, tptyrovoµi;tptKi] a­vaitapam:acrt<; µ1yaOtKOD apt0µou.

representation of a group, civana­pucrtacrtc; 6µ6.8oc;.

degree [dimension] of representa­tion of a group, Pa0µ6i; [01acrwcr1i; / avarrapacrtacrEroi; ( tfii;) 6µaooi; .

irreducible matrix representation:

representation of a space curve

of a group, avayroyoi; [ µi] avayci.Jy1-µoi;] µqtpEtaKi] avarrapacrtacrti; 6µa­ooi;.

matrix representation of a group, µT]tpEtaKij UVUitapacrWcrt<; (µtac;) 0-µaooc;.

reducible matrix representation of a group, avayroytµoc; µT]1:pEtaKi] ava­itapacrtacrti; 6µaooi;.

representation of a space curve, avanapacrtacrtc; KaµnDAT]c; WU xmpou.

canonical representation of a space curve, 0EcrµtKi] avarrapacrwmi; Kaµ­rruA.T]c; rnu xci.ipou.

representation of a surface, uva­napucrrncrtc; £mcpavEiac; .

Gaussian representation of a sur­face, yrocrcriavi] avarrapacrtacrti; Em­cpavEiai;.

geodesic representation of one sur­face on another, yi;roommaKi] ava­napacrwmi; tmcpavEiai; i'mi iiA.A.T]v tm­cpavEtav.

isothermal-conjugate [conformal­conjugate] representation of one surface on another, lcro0i:pµocru~uyi]i; [ cruµµopcpocru~uyi]i;) avmmpacrtacrtc; tmcpavEiac; !mi iiA.A.qv tmcpavEtav.

representation of transistor circuits, HAEK., uvanapacrtacrtc; µErn­crtanK&v KlJKACOµUtCOV.

matrix representation of transistor circuits, µrnpi:wKT] avarrapacrwmi; (1:iOV) µEtacrwnKiOV KIJKA©µU1:(!)V.

representation theorem, uvanapa­crtan KOV 8cffipmia· [8Effipriµa ti'jc; uvanapamucrccoc;].

representation theory, 8ccop[a ti'jc; UVU7tapacrtU<JECOc;.

quantum-mechanical representation theory, aKp1PocrrnµT]xav1KT] 0i;ropia tfi<; UVaitapacrtacrE©<;.

representative, UVH7tpO<JC07CEUHK6c;, i],6v.

representative sample, LTAT., uvn-

research

7tpO<JC07tEUHKOV { 'tllntKOV j OEt­yµa.

reproducer, AOrILM., civanapa­YffiYTJti]c;· [ uvnypacpriri]c;j.

card reproducer, OEA.mptaKoc; ava­napayroyq •i]c;.

reproductive function (of nth order), MA0., avanapaycoytKij cruvup­'tT]crtc; (vuocrti'jc; ta~Ecoc;).

repulsion, <DYL., anm8ricr1c;· [ iinco­mc;j.

electric attraction and repulsion, TJAEK1:plKT] l:A.~ 1i; Kai iinrocrti;.

requirement, I, an a pat tTJ t6t11 c; · [a­napahriwc; UVU"{KT]j. 2, U7tUL'tT] ­crtc;.

functional requirements, AEttoup­yqµanKai aitatti]cri:1c;· [ Ultat ti]<JEl<; A.ctrnupyqµanK61:T]rni;].

information requirements, nA.T]po­cpoptaKai arrmti]crE1i;· [ arrmti]crw; nA.11pocpopT]nKou Katarnmcrµou].

requirement of absolute proof, MA0., unapattT]t6tT]c; anoA.U­wu U7t00Et~Effic;· { anapattT]'tOV U7tOAUtoll uno8Ei~Ecoc;].

requisite, uvayrnfoc; [ anapahriwc;] 6poc;.

rerun, I, AOn:~~M., ava8ta8poµi]· [£nava8poµi]j. 2, THAEOIIT., l:navaA. 1w1c;

rerun routine, £nava8poµtKTJ [uva-8ta8poµtKTjj crupµi]. (EYN.: rollback routine).

research, 1'.prnva· [1'.prnvm]. applied research, l':cpTJ pµocrµtvq e­

pwva. Earthquake Engineering Research

Institute, ' lvcrnrnu1:0v , AvncrEtcrµt­KiOv 'Epwvrov.

market research, OIK., ayopacrnKi] epwva· [epi:uva ayopacrttK6tT]t0c;· EpEIJVa itponµi]crE(!)V ayopfi._i;j.

929

research and development

marketing research, OlK., E:µnopEU­mµoA.oytKi] l:pEUva· {l:pEDva (•ii<;) €µnopEucr1µ6•11•0<;].

methods of operations research, µt0o8ot •ii<; emxapf]crtaKii<; EpEl>Vf]<;" [ µt0o8ot E1tlXEtpf]crtaKfi<; avaA.ucrE­ro<;].

operational [operations] research, E1tlXELPllCTWKi] EpEUVU.

oriented fundamendal reseach, npo­cravatoA.1crµtv11 0EµEA.too811<; l:pEuva.

pure research, 0Eropf]nKi] [aKa811-~11Ki]} EPEUVU.

scientific research, i:mcrtf]nKi] {i\­mcr•11µov1Ki]} EpEUva.

research and development, i:pwva Kai US to7r0l l]CH<;.

research department, 1µfjµa £pw­v&v.

research engineer, £pwvtKoc; µrixa­vo1{;xv1ic;.

research engineering, £pwvtK1) µl]­xavo1sxvia.

research in earthq~ake-resistant de­sign, f,pwva ff.pwvm J avn­crntcrµt Kfjc; crxs8toA.oyf)crscoc;· [ avncrstcrµtKl'j crxs8toA.oytK1) E­pwva).

research scientist, £pwvtKoc; £m­cr1111fJc;.

researcher, £psuvri1fJc;.

resection, TOIIOf'P., I, avmoµfJ· [ 6mcr8010µfJ). 2, µ{;8o8oc; 1&v ava10µ&v.

reservation, I, £ntcpuA.astc;· [£m­cpuA.aKnK61ric;]. 2, crcpaA.tmc; ( = Kpa1rimc; ft £sampaA.tmc; 8fos­coc;, KarnA.Uµa10c;, K1A.).

reserve, 1, £mcpuA.acrcrco. 2, crcpaA.il;;co ( = £sacrcpaA.il;;co 8fot v, KmaA.u­µa, K1A.).

reserve (of an insurance policy),

930

residual errors

Al:<D., MA0., acrcpaA.tcrnKov a­no8sµanK6v.

reserve ratio, OIK., A.6yoc; (1pans­/;;tKou) ano8sµanKOU.

reserves, OIK., ano8i;µanK6v. prospective method of computing

reserves (in insurance), npocrKOitf]n­Ki] µt0o8o<; U1tOAOytcrµoii WU (acrcpa­AtcrHKOii) ano0EµanKOii.

retrospective method of computing reserves (in insurance), avacrKOitf]­"l"tKi] µt0o8o<; U1tOAOytcrµoii WU (ci­crcpaf..tcrnKOU) cino0EµanKoii.

reserves of strength, ano8i;µanKov UV10Xfjc;· { av8EK1lK01l]c;).

reset, TEXN., avmacrcrco ( = £nava­cp{;pco de; 10 µl]8{;v· pu8µ(1;;co EK vfou ).

reset cycle, AOlll:M., avarnKnKov KUKAl]µa· [ KUKAliµa ava1asi:­coc;].

reset rate, AOf'Il:M., avarnKnK1) 8tanµfJ· {8tanµl) ava1asi:coc;].

resetting, TEXN., avarnstc; ( =

£navacpopa de; 10 µl]8{;v· £na­vappu8µwtc;).

reshuffling, avacruvrnstc;• [ avacru­crrncrtc;}.

residence, NOM., KaTOtKia.

residual, MA0., Ka1aA.ornov· [un6-A.i:tµµa).

residual, MA0. , KmaA.ornoc;,oc;,ov. curve residual to another curve,

KaµnuA. T1 KU"l"UAOl1tO<; iiA.t. f]<; Kaµnu­Af]<;.

residual curves on a surface, KaTa­A.otnot KaµnuA.m £mcpavEiac;.

residual errors, MA0., Ka1aA.otna [unoA.i:tµµanKu] crcpaA.µarn.

residual flux

residual flux, Ka1aA.otnoc; [ napaµo­voc;] pucric;.

residual flux density, <DYl:., Ka1a­A.01noc; [napavoµoc;] nuKv61ric; pucrscoc;.

residual groups of points (on an irreducible plane algebraic curve), KmaA.ornot [unoA.i:tµ­µanKai} 6µa8sc; crriµEicov (£ni µ1) avaycoyiµou £nrn{;8ou aA. ys­~ptKfjc; KaµnuA.ric;).

residual load, MHX., Ka1aA.otnov {napaµovov] cpop1iov.

residual polarization, <DYl:., Ka1a­A.otnoc; [ napaµovoc;] n6A.comc;.

residual set, MA0., KmaA.ornov cruvoA.ov.

residual signal, THAEM., Ka1a­A.omov [ napaµovov J crfjµa.

residual spectrum of a transforma­tion, MA0., Ka1aA.otnov cpacrµa (10u) µi:rncrxriµancr10u.

residual stresses, MHXT., Kma­A.otnot [ napaµovo1] 1acri:1c;.

residue, MA0., Ka1aA.otnov· [un6-A.i:tµµa).

calculus of residues, A.oy1crµ6<; tGJv KamA.oinrov.

Cauchy's method of residues, Kro­crEtavi] µt0o8o<; tGJv KamA.oinrov· / µt0o8o<; tGJv KamA.oinrov wii Kro­cr\J].

cubic residue (of an integer), KU-13tK6v KU"l"UA0l1t0V (ciKEpaiou).

method of residues, µt0o8o<; tGJv • KataA.oinrov.

nonresidue, µi] Kat6.A.01nov.

power residue, MA0., Km6.A.01nov 8uv6.µEroc;· [ un6A.E1µµa 8uv6.µEro<;].

quadratic nonresidue (of an in­teger), "l"E"l"payrovtKOV µiJ KU"l"UAOl1tOV [ µi] "l"E"l"payrovtKOV K.U"l"UAOl1tOV J (evo<;

aK.Epaiou).

resist (to)

quadratic residue, "l"EtpayrovtKOV KU"l"UAOl1tOV.

theory of quadratic residues, 0Ero­piu tGJv "l"EtpayrovtK.GJv KamA.oinrov_

residue at infinity, f:n' ani:tpov Ka-1aA.omov· [ ani:tpov Ka1aA.01-nov].

residue check, AOf'Il:M., £snsystc; (8tu) 10u KarnA.oinou· [unoA.i:tµ­µanKl) £s{;A.i:ys1c;J.

residue class, AOf'Il:M., MA0., Ka1aA.omoc; KA.amc;.

residue class ring, MA0., 8aK1u­A.toc; (1&v) KarnA.oincov KA.acri;­cov.

residue of an alalytic function (at an isolated singular point), Ka1a­A.otnov UVUAD11Kfjc; <rnvap1f}cre­coc; (de; µi;µovcoµ{;vov i8tal;;ov crri­µsfov).

residue system, MA0., crumriµa KarnA.oincov· { KU1UAOl7tOV cru­G1l]µa j.

complete residue system modulo n, itA.iipE<; {EVT.EAE<;} Kat6.A.omov cr\J­CT"l"f]µU K.U"l"U µ68toV V.

reduced residue system modulo n, UVf]yµtvov KU"l"UAOl1tOV crucrtf]µU KU­"l"U µ68tov v.

residue theorem, 8swpriµa Tffiv Ka-· rnA.oincov.

resilience, MHX., avarnKnK61ri~·­[£navarnKnK6Tl]c;).

modulus of resilience, µ68tov i:nu­vamKnKO"l"f]W<;.

resist (to), av8icrrnµm (de;). ability of a structure to resist

earthquakes, iK.av6"1"11<; wii 8oµfiµaw<; VU av0icrm"l"at EL<; WU<; crEtcrµo\J<;.

limit design of structures to resist earhquakes, 6ptaKi] crxE8toA.6yricr1<; (tGJv) civncrEtcrµtKGJv cpoptrov.

structure designed to resist dynamic

931

resistance

disturbances, 06µ11µa crxeotol..oy110i:v we; av0eK'tlKOV de; -rue; ouvaµtKU<; Ota­'tapax<ic;.

resistance, MHX., <DYL., avrfo"ta­crti;.

932

air resistance, AEP., av-r[crmcrt<; atpoc;.

bending resistance, KUµ7t'tlKTJ UV'tL­crmcrt<;' [ av-ricrw.crt<; trci KUµllfet].

buckling resistance, /..uy1crµ1Ki] UV· -ricr-ramc;· [av-ricr-racrtc; i:ni l..uytcrµG)].

development of inertial resistance, UVU7t't\J~t<; aopavetaKii<; avncr-r<icreco<;.

dry frictional resistance, ~ripo-rpt­mtKi] UV'ttcrmcrt<;.

elastic resistance, i':/..acrnKi] UV'tl· cr-racrtc;.

electrical resistance, l'jf..eK'tptKTJ UV· -ricr-racrtc;.

frictional resistance, 'tpt7tnKi] UV'tl· cr-ramc;· [ aviicrmcrtc; •PtPilc;].

inductive resistance, E7tUy<OytKTJ UV· -ricr-racru;.

inertial resistance, aopaVEtaKTJ UV• -ricrmcrt<;.

initial resistance, UPXlKTJ av-ricrm­crt<;.

lateral resistance, 7tf..£1Jp!KTJ avr[­cr-racrt<;.

least resistance, i\crcrcov [f.1..<icrcrcov] avricrmcrtc;.

line of least resistance, ypaµµi] •ii<; i\crcrovoc; avncri<icrccoc;.

modulus of resistance, µ6otov av­-rtcr-racrccoc;.

moment of resistance, poni] (•ii<;) avncr-r<icre<O<;.

negative resistance devices, µEcra { O"UO"KWaj apvfjnKii <; avncr-r<icrECO<;.

ohmic resistance, ciJµLKTJ UVLLO"Ta· crt<;.

shear resistance, OLU't~lll'tlKTJ avi:i­crmcrtc;· [ avi:icrmcrL<; E7ti OLU'tµi]cret].

solid of revolution of least resist­ance, 'flcrcrovoc; avncri:acrecoc; EK nept­cri:pocpiic; cri:epe6v.

specific resistance, ELOtKii UV'ti'O"'tU· crt<;. (EYN.: resistivity).

surface resistance, HAEK., f.m-

resisiant

cpUVEtaKTJ UV'tLO"Tacrt<;' { E7tlcpUVEtaKtl avncr-rai6-rric;].

torsional resistance, O"'tpE7tnKi] UV· -ricri:acrtc;· [ aviicrmcrtc; i:ni cri:pEllfet j.

unit resistance, µovaowia av-ri­cri:acrtc;• [µova<; avncri<icrccoc;].

virtual resistance, OIJVll'tTJ avii­cri:acrtc;.

resistance capacity to shocks, tKa­v6rric; ·avrtcrTCicrsmc; de; ru nA-i]y­~tarn· {tKUVOTTjc; 7tATjKHKfjc; UV· ncrrucrsmc;j.

resistance matrix, HAEK., µTjrpst­ov avncrrucrsmc;.

resistance of elastoplastic structures (against earthquake forces), av­r[crmcrtc; r&v £A-acrrnnA-acrnK&v <pop{;mv (de; rue; 8uvuµstc; r&v crstcrµ&v).

resistance of the soil, MHXT., EDU<ptKTj UVTLO'Tacrtc;.

unit shear resistance of the soil (at failure), µOVUOtalU Ota'tµll'tlKTJ avi:icrmcrtc; WO f,oacpouc; (KU'tU 'ttlV crnyµi]v •ii<; anoi:uxiac;).

resistance to a twist, avr[crrncrtc; E7ti O'llO'T pE\j/Sl.

resistance to the motion, an[crrncrtc; de; (rijv) KLVTjO'lV.

resistance to underwater explosions, avricrrncrtc; de; ('rue;) unoppuxi-ouc; EKpij~stc;. ·· · · ·

testing of naval structures (for resistance to underwater explosions), ooKtµi] nol..eµtKffiv vaunriy1iµ<iicov (i:­ni avncri:acret de; -rue; . unqppuxio\JI; f.Kp'ij~Et<;). ..

resistant, UV8SKHKOc;,i],6V. blast-resistant design, avnnvayµ1-

Ki] O"XEOto/,oyia. blast-resistant structure, avnnvay­

µtK6<; cpopi;uc;. earthquake-resistant design, ·. avn­

O"EtcrµtKi] O"XEOtof..oy[a.

li:'esistant earth pressure

earthquake-resistant structure, uv­i:tcretcrµtK6<; cpopcuc;

fire-resistant materials, nupiµaxa {al..e~inupaj ul..tK<i.

research in earthquake-resistant .cJesign, CtV'tlO"EtcrµtKtl O"XEOtof..oytKi] :i;p£1Jva· {EpEIJVat avncretcrµtKffiV O"XE· -b tol..oytrov].

study of earthquake-resistant de­sign, UV'tlO"EtcrµtKi] crxeotol..oytKi] µ£-1..E'tfl' { µ£1..E'tll avncretcrµtKOOV crxeoto-1..oytrov j.

r esistant earth pressure, uv8tcrra­µ{;vri [ av8sKnKijj £8mptKTj 7tl8-crtc;.

resisting, UV8tcrTCXµSVOc;,Tj,OV. analysis of the earthquake-resist­

ing problem, ava/..ucrt<; WO avncrEt­oµtKOO npopt..i]µawc;.

earthquake-resisting construction, uvncrctcrµtKll Kai:acrKEUi]· [ avncret­crµ1Ki] oiKoooµi]j.

resisting elastic force, av8tcrraµ{;vri_ [ avncrrnnKi]j !:A-acrnK1) 8Uva­µtc;.

r esisting force, av81crrnµ{;vri [ avn­crrnnKi]] Mvaµ1c; · {Mvaµtc; av­-rtmucrsmc;j.

general resisting force, ycv1Ki] ou­vaµt<; uvncri:acreco<;.

special cases of the general resist­ing force, do1Kai neptm&cret<; -rfjc; yEVtKfj<; OIJVUµECO<; UVHO"'tUO"ECO<; .

r esisting moment, av8tcrrnµEVTj {av­ncrrnn Ki]] porcij.

resistivity, HAEK., avncrrnTOTY]c;. (LYN.: specific resistance).

surface resistivity, i:mcpavctaKi] av-11crmi:6111<;.

resistivity of a structure against earthquakes, avncrrnr6rric; [i­Kav6rric; avnmucrsmc;j mu <po­p{;mc; KUTU rov crstcrµ6v.

resistor, HAEK., avncr1un1c;.

resolvent set

resolution, 1, suKpivtcrtc;. (LYN.: resolving power). 2, MA0., 8iaxmptcrµ6c;· [ KUTUVUAllO'tc;• a~ VUAllO'tc;}. .

angular resolution, OIIT., ycovtaKtl cuKpivtcrt<;.

resolution of a vector, MA0., 8ta­xmp1crµoc; [ KUTUVUAllO'tc;] ( rou) avucrµarnc;.

resolution of stress (into two or three components), 81axmp1crµoc; [ KUTUVUAllcrtc;} 1fjc; TUO'Sffic; (de; Mo t'] rpdc; cruvtcrTCilcrac;).

resolve, KUTUVUAUffi' { UVUAUffi' Dta­XffiPlSffi j.

resolve a stress (into two or three components), MHXT., 81axm­pism [avaMm] 1umv (de; 8iJo t'] 1pstc; cruvtcrTCilcrac;).

resolved, PAMENT., OITT., suKpt­vtcr8dc;,s'lcra,{;v.

barely resolved pattern, µ61..tc; eu­Kptvtcr0i:v Otaµ6pcpcoµa .

clearly resolved, cracproc; cuKpt vt­cr0eic;,eTcra,Ev.

resolvent, MA0., bnA\Joucra. differential resolvent, OtacpOptKtl

i':ml..uoucra. Galois resolvent, ya/..01crwvi] €rr1-

l..Uoucra· [rmtl..Uoucra WO rKal..oua].

resolvent cubic, MA0., £mA6oucra KllPtKij '{ETCtAUOllO'U 1pt100'1i] ] . .

resolvent equation, £rctA\Joucra !;~{­crmcrtc;· {£mA-6oucra].

resolvent kernel, MA0., £ntA6mv KOKKoc;· [E7tlAUffiV rcupi]v].

resolvent of ETCtAUOllO'U

re sol vent set, . VOAOV.

a matrix, MA0., µTj'tpslOll.

MA0., £mA\Jov cr6-

933

resolver

resolver, Aorn:M., 8wA.otf]c;· [eu­Kptvtcm'ic;J.

resolving power, <f>YL., 8taA.onKij [8rnoKptvtcrnKij} 80vacr1c;· {8t­f.OKptvtcrnKij icrxuc;j.

resonance, <DYL., MHX., cruvrixt­Xtcr~16c;· [ cruvfJxrimc;· cruvwvt­crµ6c;j.

cyclotron resonance, KUKAO-rpovt­KOs cruv11xtcrµ6s.

engineering resonance, µrixavo-rE­XVLKOs cruvrix1crµ6s.

mathematical resonance, µa9riµa­TtKOs cruvrix1crµ6s .

maximum horizontal deflection (of a building) at the time of the reso­nance, µEylcr-r11 6pt~ov-ria O.n6Kaµ'l'ts (mu Knpiou) Ka-ra -rov xp6vov mu cruv11x1crµou.

structure designed for possibility of resonance, 156µriµa <rXEOtoA.oyq9ev µe np6Pf..E'l't v ouvarn-rii-rrov cruv11x1-crµou.

subharmonic resonance, ur.papµovt­KOs cruv11x1crµ6s.

resonance frequency, cruxv6n1c; crov­TJXtcr~iou. (lYN.: resonant fre­quency).

resonance peak, aixµiJ (wu) cruvri­Xtcrµou· [ cruvrixwµtKij aixµiJ}.

resonance phenomena, crovrixtcrµt­Ka q>atv6µeva· {q>atv6µeva crov­T]X;tcrµou].

resonant effect, cruvrixtcrµtK6v i';v-tunwµa· [i':vtunwµa crovrixt-crµou].

resonant effect of the surface layers, cruv11xtcrµtK6v i':vtunwµa [i':vtu­nwµa cruvm;tcrµou] t&v i':mq>a­VEtaK&v crnpa8wv.

resonant frequency, crovrix;tcrµtKij cruxvotric;· [ crox;v6n1c; crovrix;t­crµou ].

934

response

resonator, PA~., crUVT]Xtcrtf]c;· [ cro­VTJXT]ti)c;j.

resource, OIK., n6poc;· [ nA.oow­napaywytK6c; n6porJ

ocean resources, rtEA.aytKoi [roKE­avtKoi] n6po1.

optimal allocation of resources, Pcf..-rlcr-rri EmKamvoµii n6prov.

resource allocation, MA0., XPT]O'HKTJ E1tlKatavoµf]· Kawvoµi] t&v n6pwv ].

no po­/ i':m-

resource use, MA0., napoxpl]cria ( = XPT\crtµonoi l]crtc; t&v 8w9E­criµwv n6pwv).

mathematics of resource use, µa­SriµanKa •i'is nopoxpricrias· / nopo­XPricrnKa µa9riµanK<ij.

respond (to), MHX., avntacrcroµat (de;)· [avntacrcroµm (Kata)}.

responder, THAEM., I, anoKptti']c;. 2, = transponder.

responding translation and rotation of a rigid body, MHXT., avn­taKnKij {Kat' UV'tita'f,tv} µEta-9rntc; Kai O'tpoq>l) O'teppOU crffi­µawc;.

response, MHX., avtl'ta'f,tc; ( = a, avnµEtW1ttcrtc; 8pacrewc; 8t' iiA.­AT]c; 8pacrewc;· p, avnµEtffimcrtc; Kt Vl]tl] piou 8ovaµewc;) .

coordinate response, cruv-rE-rayµ tv11 O.v-ri m~ts.

dynamic response, ouvaµ1Ki] O.v-ri­m~ts.

frequency response, cruxvo-rtKii O.v­-rlm~is· [av-rlm~ts cruxv6-rrirns] .

linear response, ypaµµtKii O.v-rlm­~Ls.

piecewise linear response, -rEµaxri•Ti ypaµµtKTj UVTLTU~ls.

pierce or no-pierce response, -rp11-nKi] il µii -rpT]nKii O.v-rha~ts ' [ O.v-ri­m~ts oia-rpiicrEros il µii oia-rpiicrEros].

response amplitude

spurious response, v69os 0.v-ri-ra~ts. time response, xpovav-rim~ts. vibrational response, KpaoacrµtKij

0.v-rim~ts.

response amplitude (of the building vibrations), avnwKnKov ei'ipoc; [ EDpoc; avnta'f,ewc;J (t&v K'tl­ptaK&V Kpa8acrµ&v).

response analyzer, avntaKnKoc; a­vaA.utf]c;· [avaA.oti]c; (tfjc;) avn­ta'f,ewc;j.

response characteristics, avntaKn­KU xapaKtf]ptcrnKa.

response curve, avntaKnKij Kaµ-7tUAT]'{ KaµnuAT] avnta'f,ewc;j.

sharply-peaked response curve, c­Kpros aixµ1Kii Kaµm'.lt..ri O.vn-r<i~Eros· [ iJxpros aixµ1Ki] O.vnmKnKij Kaµm'.l­t..ri].

response in the post-elastic range, MHXT., avtha'f,tc; Kata to µE­·reA.acrnKOV EKtaµa.

response spectrum, q>acrµa avnta­'f,ewc;· [avnwKnK6v q>acrµaj.

damped velocity response spectrum, O.v-rtmKnKov r.pacrµa [ r.pacrµa 0.vn-r<i­~Eros] •fis anocrPEvvuµ€v11s -raxuv­crEros.

maximum relative velocity response spectrum, O.vn mKnK6v r.pcicrµa [ r.pa­crµa &.v-rn<i~Eros} •fis µEyicr•ris crxE­'ttKi'is -raxuvcrEros.

response to earthquake, avtha'f,tc; de; (t6v) cre1crµ6v.

generalized coordinate response to earthquake, YEVLKEUµevq crUVTETayµt­VT] clVTLW~ls Eis (TOV) <rEtcrµOV.

responsiveness, avntaKtOtl]c;.

responsor, PA~., anoKpttf]c;. interrogator-responsor, £pro-rano-

Kpm'ls' [ 7tpOKAflTiisl·

rest, MHX., <f>YL., t']peµ(a.

restoring force

angle of rest, yrovia i]pEµias. (IYN.: angle of repose).

body at rest, cr&µa ev i]pEµi<r [ i]­pEµouv crwµa].

friction of rest, MHXT., -rptPTi 1i­pEµias. (IYN.: starting friction) .

state of rest, Ka-rcicrmcrts i]pEµias . structure initially at rest, l56µ1iµa

O.pxtK&s ev Kamcr-r<icrEt i]pEµias· [ r.po­pEils &.px1K&s 1]pEµGJv ] .

rest mass, lXET., 0EQP., µfisa (anoA.uwo) t']peµiac;.

restate, MA0., ava8wtun&· { ano­craq>l]Visw ].

restatement, MA0., 1, ava8wn'.J­nwmc;· [i':K vfou 8iatunwmc;· anocraq>i)vtmc;"] 2, bmva811A.w­mc;.

restatement of the minimal prin­ciple, MA0., ava8wtunwcrtc; tfjc; EAaXtO''tO'tlKfjc; Up;(.fjc;.

resting (on), crtl]pts6µevoc;,l],ov (i':­ni)· [e8pas6µEvoc;,l],ov (i':ni)j.

building resting on semi-infinite solid body, oiKoOoµi] cr-rrip1~0µ€vq l K-riptOV &opa~6µEVOV J tni i]µta1tE[­pou cr-rEpEOu opyavtcrµou.

resting on a rigid foundation, e8pa­s6µevoc;, l],Ov E7tt O'teppfic; 9eµ£­AtWO'EWc;.

restoration, J, naA.t v6p9wmc;. 2, . MA0., cl1tOKU'tclO'WO'lc;.

arithmetical restorations, up18µ11-nKai anoKamcr-racrEts.

restoring couple, U7tOKa9tO''tOUV [a-1tOKaWO'W't\ KOV j sEUyoc; 8ova­~lf.WV.

restoring elastic force, anoKa9tcrt&­cra [anoKatacrwnKij} i';/..acrnK~ 80va~nc;.

restoring force, U7tOKa9tcrt&cra [a-1tOKaWO'WttKi] j 80vaµ1c;.

935

restoring force diagram

determining the restoring force, 11pocrlhopwµ6i; i:fii; <i110KamcrmnK1ii; ouvaµi:roi;.

hysteresis of a restoring force, u­cri:ep1icr1c; (i:fii;) <i110Katacrmi:1Kfic; ou­vaµi:roc;.

statical restoring forces, crtanKai a110KamcrtanKai 8uv6.µi:1i;· [ crmn­Kai 8uv6.µi:ti; &.110Katacrt6.creroi;].

restoring force diagram, Ot<iypaµ~La ('rfji;) ari:oKaTUatanKfji; OlJVU~Lf,­roi;.

restoring force features, iowµop­<piat ,fli; ari:oKawcrwnKi'Ji; ou­va~isroi;.

restoring forces of a system, ari:o­KawcrwnKai OlJVU~lcti; {oUVU­µsti; ari:oKUTUmacrsroi;j £v6i; alJ­O"'tTJ µcnoi;.

restoring moment, anoKa9ta't&aa { artOKaWO"W'"ClKTJ} pOrtTJ.

restoring torque, artoKa9tcr'troaa {a­noKawawnKij} cruppori:f].

restrained, ornµi;u~1£voi;, Y],ov· [ avs­crwA.µsvoi;, Y] ,OV }.

elastically restrained, EA-acrnKCili; oi:crµEUµevoi;, 11,ov· {f.A.acrtlKW<; UVE­O"'tUA~LEV0<;,11,ov}.

restrained beam, MHXT., µsvri [ avrnwA.µsvri} (IYN.: fixed beam).

elastically restrained beam, MHXT., i:Aacrt1Kooi; 8rnµwµev11 [tJ.acrnKooc; UVEO"taAµEVll} DOKO<;.

restrained column, MHXT., os­crµi;uµsvoi; [ avscrwA.~1£voi;} a'tu­A.oi;.

elastically restrained column, eA.a­O"tLKW<; ornµwµevoi; {F,A.acrttKW<; UVE­crtaA.µevoi;} crtuA.oi;.

restraining force, avacrwhtKTJ [os­crµsunKTj} ouvaµti;.

936

resultant

restraint, MHXT., ofoµi;umi;· [a­vamo/...f]j.

elastic restraints, EAUO"ttKai DE­crµEUO"EL<;.

perfect restraint corresponding to rigid end fixation, tEAElU ofoµEUcrti; avncrtoixoucra 7!p6c; O"tEppav CLKpaiav 7tU K't(J)O"l V.

rotational restraint, crtpO<ptKT] ot­crµEUO"l<;.

restraint from rotation, ofoµi;ucrti; KU'"CU cnpo<pfji;· [ O"'tpO<pLKTJ 0£­cr µ i;umi;}.

restricted (mathematical) theory of relativity, ri:sptrop1crµsv11 [dot­KTJ j (µa91iµanKTj) 9srop{a 'tfji; axsn KO'"Cll'"COi;.

restructuring, avaotap9procrti;• [a­vao6µY]O"Li;j.

result, I, arto'ts/...rnµa. 2, MA0., £say6µsvov.

analytic results (in dynamic pro­gramming), UVUA\ltlKU f:/;ay6µEVU (tou 8uvaµ1Kou npoypaµµ1crµou) .

approximate result, npocri:yy1crµ1-K6v { 7tpOcrEyylcrttKOV} E/;ay6µEVOV.

discussion of results, 1, 01i:pi:uv11crii; toov tl;ayoµ(;vrov. 2, ornpi:uv11cr1i; i:oov U7!0tEAEO"~t6. t(J)V.

integration result, el;ay6µi:vov ( tfic;) 6A.od 11 pcimi:roc;.

mapping result, MA0., ELKOVtcrµt­KOV tl;ay6µi:vov .

numerical result, <ip18µ1K6v tl;a­y6µi:vov.

refinement of results, MA0.,. EK­A.enrnvcrii; tWV el;ayoµevrov.

result of approximation, ri:pocriyyt­aµtK6v £say6µsvov· [£say6µs­vov wo ri:pocrsyytcr~too}. · .

resultant, MA0., cruvtmaµsvoi;,YJ, ov.

resultant, MA0., MHX., cruvta'ta­µsvri.

resultant bending moment

determinate stress resultants, npocr­otoptcrtai O"\lVlcrtaµi:vm 'tWV i:6.cri:rov· [ npocrotropicrµEVUL O"\lVLO"tUµEVUl 'tcl­<JEti;}.

statically determinate stress result­ants, cri:anKooi; npocrotoptcrtai cruv1-<H6.µi:vm 'tUO"EL<;.

stress resultant, cruv1crmµ!\v11 i:oov 'tUO"E(J)V" [ tattKTj cruvtcrtaµEVll" O"\lVL­crmµtv11 i:acrii;].

weight of a resultant, MA0., Pa­poi; [ cri:a8µ11tiJ} i:fii; cruv1crmµev11i;.

resultant bending moment, MHX., cruvtawµsvri KaµnnKT] pom1.

resultant centrifugal force, MHX., cruvtawµsv11 <puy6KcV'tpoi; 00-vaµti;.

resultant displacement, MHX., au­vwwµsvri µswKivriati;.

resultant dynamic couple, auvta'tu­µsvov ouvaµtKOV ~soyoi;.

resultant elastic displacement, auvt­arnµsvri .£A.aanK1l µs'taK[viiati;.

resultant force, <I>YI:., auvta'taµsvri ouvaµti;.

single resultant force, ~tcivta[a cruv­tcrmµtv11 8\Jvaµti;.

resultant moment, MHX., auvtma­µsvri pori:f].

single resultant moment, µovia[a cruv1crmµtv11 ponfi.

resultant of a set of n + 1 equations in n variables, MA0., auvta'ta­~1£v11 [ ana/...si<pouaa] cruv6A.ou v + 1 £stawcrsrov 'trov v µsrn-PA.ri,&v. ~ - ·

resultant of the forces, <I>YI:., crtJVla'tUµEVll 'tWV OtJVaµsrov.

resultant of the sequence of elastic bonds, MHXT., auvta'taµsv11 { O"lJVta'tU~Lf.VOi;j 'tfji; aKo/...009(­ai; 'tWV £/...acrnK&V cruvofoµrov.

retroflection

resultant of two functions, MA0., auvtarnµsv11 [ n'tuxroaii;J ouo auvap'tTJ O"cffiV.

resultant of two or more forces, O"lJVLO"'tU~lEVll ouo i1 rtcptacrO'tE­prov ouvuµsrov.

resultant strain, MHXT., cruvta'ta­µsvri £ri:haati;.

resume, rtcptAY]rtHKOV ( = CTUV'toµov cr11µdro~1a 'trov crri:ouo&v Kai 'tfji; an0Krr11ecicr11i; £v ru ri:pussi ri:d­pai; £v6i; urtO\j/YJ<pfou).

retardation, £mpp<iouvmi;. magnetic retardation, µayv11nKi]

tmPpaouvcrii;.

retentivity, <I>YI:., 01cn11 Pll'tO'tlli;· [otU't11P111lKO't11i;J. (I:YN.: re­manence).

reticle, = reticule.

reticule, v1iµa't6ri:A.sn1a (onnKoo opyuvou).

retrieval, MHXT., MA0., avaA.apT) ( = avaoi<p1iati; Kai UVUK'trtati;• avaaKaA.i;unKTj napaA.apf]).

coordinate retrieval, cruvi:i:myµtvri uvaA-aP11. .

false retrievals, crcpaA.i:pai <ivaA.a­Pai.

information retrieval, nA.11pocpop1a­Kll napaA.aPfi.

retrieval system, MHXT. MA0., CTUCT'tll~ta avaA.apiji;· { avaA.11ri:n-K6v aucr'tYJ µa}. ·

mech:lnical information retrieval system, ~nixav0Kiv11tov crucrtriµa nA.ri­pocpoptaKfji; avaA.aPfii;.

retrofiring, MAI:T., oma96<pA.ssti; '( ~ av<i<pA.ssti; 'tWV oma9ori:upa0-/..;rov). ·

retroflection, oma96Kaµ\jfti;· { ava­Kaµ\jfti;}.

937

retroflexion

retroflexion, = retroflection.

retrogradation, omcr9oopoµir [ o­mcr9oop6µ 11 crti;}.

retrograde, omcr96opoµoc;,oc;,ov· [ uvciopoµoc;,oc;,ov].

retrograde motion, uvciopoµoc; [o­mcreopa'tm']] 1d.vricrtc;.

retrogression, I, omcr9oop6µricric;· [ omcreopacria 1 ( = uvciopoµoc; t] ontcr9opanKi] KtVTjcrtc;). 2, UVclKUµ\j/tc;.

retroreflection, <l>YL. , omcr9avci­KA.acrtc;· ( = uvciopoµoc; UVclKAU­crtc;).

retrorocket, .MALT., omcr9om'.Jpau­A.oc; ( = omcr9evepy6c; nupau­A.oc;).

retrothrust, MHXT., on{cr9rocrtc; ( = omcr9evepyoc; cimtc;).

retrospective method of computing reserves (in insurance), OIK., uvacrK07tl'j'tlKij µe9oooc; U7tOAO­ytcrµou wu (ucrqiaA.icrnKou) u­no9eµanKou.

return(s), OIK., un6oocric;. Jaw of diminishing return(s), v6µrn;

-rfjc; EAU"t'tOUµtvric; { Voµoc; -rfjc; µEt(J)­µtvric;) a7to86cr&roc;.

optimization of return(s), 13&1..-ri­cr-r&ucrtc; -rf\c; a7to86cr&roc;.

returns to scale, OIK., anoo6cretc; chc; npoc; 'to µeye9oc;.

Reuleaux (Franz-), (<I>pciv'tc;) Pe­A.ci> ( = yaA.A.oc; µrixavo'texvric; · 1829 - 1905).

Reuleaux triangle, peuA.rol;iavov 'tpi­yrovov· [ 'tpiyrovov 'tOU PeA.ro].

revalorization, OIK., avaKa'ta'tiµTj­crtc;.

938

reversion

revaluation, OIK., enaval;irocrtc; (= voµicrµanKi] ava'tiµrimc;).

reverberation, <l>YL., I , uv'tl)xrimc;· [ µe'tl):x;ricrtc;}. 2, avrnvaKA.acrtc;.

reverberation time, <I>YL., UV'tTJX11-nK6c; :x;p6voc;.

reversal, MHX., avacr'tpoqiiJ.. factor reversal, 7tapayovwoi uva­

cr-rpocpi) . parity reversal, {cronµ1Kii uvacr-rpo­

cpiJ· [uvacr-rpocpr, icronµiac; ] . point of reversal (of the inertia

forces), crriµ&iov uvacr-rpocpfjc; (-rli'lv OUVUµE(J)V aopavEia<;).

time reversal, xpovavacr-rpocpi)· {xpOVtKii UVM"tpOq>TJ}.

reversals of load, MHXT., avacr'tpo­q>ai ('tou) q>op'tiou.

reverse, avacr'tpoq>oc;,oc;,ov.

reverse code dictionary, AOrn:M .• avnKroOtKOAeStK6v.

reverse order, avacr'tpoq>oc; 'tal;tc;. in reverse order, 1mt' uv<icrtpocpov

-r<i~tv.

reverse thrust, MALT., &vacr'tpoq>oc; rocrtc;. (LYN.: retrothrust).

reversed curve, MHXT., avacr'tpo­q>oc; [avecr'tpaµµevri] KaµnuA.ri .

reversibility, avacr'tpe7t't0tl'jc;· [ uva­crtpe\j/tµO'tTJc;J.

reversible, avacr'tpe\j/tµoc; ,oc;,ov· [a­vacrtpent6c;, 1),6v· µeta-rperrt6c; , 1),6v].

reversible perspective, avacr'tpe7tti] { uvacr'tpE\j/tµoc;} npoonn Ki].

reversible transformation, avacrtpe­\j/tµoc; [ avacr'tpe7tt6c;] µerncrxri­µancrµ6c;.

reversion, I, MAE>., avcicrtpe\j/tc;· [ avacr'tpoq>l)j. 2, avaopoµl'] (etc;

reversion of a series

7tpO'tEpav KU'tclO"'tUO"l v, K'tA.). 3, OJK., avaKtTJcrtc; ( = µernyeve­cr'ttpa urc6KtTJcrtc;).

reversion of a series, MAE>., ava­crtpoq>i] cretpfic;.

reversionary annuity, OIK., &va­KtTJnKi] (etricria) np6croooc;.

deferred reversionary annuity, µi::A.­A.oucra [ µr; 'AovnKiJJc;j uvaK"tTli:tKii 7tp6-croooc;· [ uvaf3A.rii:Ti UVUK'tT]'tlKii 7tp6-croooc;j.

review, I, &vacrK61n1crtc; ( = urcoA.o­ytcrµ6c;, K'l'A., nercpayµtvrov). 2, KpmKi] (ap9pou, PtPA.iou, KtA. .). 3, uva\j/TJA.ciq>11mc; ( = KpmKT) €1;£rncrtc;).

program evaluation and review technique, MHXT. MA0., 'tEXVLKii U~lOA.oyi)crr;roc; Kai uvmvriA.acpi)crr;roc; 7tpoyp<iµµai:oc; . (EYN .: Pert) .

revolution, KOINQN. , ercavcicrrn­crtc; .

second phase of the industrial revolution, or;ui:i::pa cp<icrtc; [(fi) cpacrtc; -rfjc; aui:oµai:ou µ&i:ayroyfj c; ) i:fj c; f3to­µ rixavtKfj c; imavacri:acrr;roc; .

revolution, I, MAE>., rceptcrtpoq>i] (nepi asova t] e>11µeTov) . 2, ALTP., rceptq>opa ( = T] Km' eA.­A.wmKi]v tpoxtav Kivrimc; £voe; oupaviou crffiµawc;). 3, A:LTP., neptq>6pricrn; ( = Ti €A.A.e t7t'tlKTJ cpoxta £voe; oupaviou crffiµaw c;, Kat' uvnotae>wA.i]v npoc; 'to ro­tation, neptcrcpoq>i]).

area of a surface of revolution, MA0., Eµf3aoov cri:pocpoyr;vouc; i\m­<pavr;iac;· [ tµf3aoov i:f\ c; SK 7tEp tcri:po­<pf\c; tmcpavEiac;j.

axis of revolution, MA0., li~rov 7tEptcpopac;· [ li~rov nr;ptcri:pocpf\ c;}. (EYN.: axis of rotation).

body of revolution, MA0., cri:po­<poyr;vtc; criJJµa: [ criJJµa EK nr;p1cri:po­<pfjc;· cri:r;pr;6v EK 7tEp tcri:pocpfj c; · EK 7tEptcri:pocpf\c; CT'tEpEOV J.

revolution

center line of a surface of revolution, KEV'tptKii ypaµµr, i:fj c; EK 7tEptcri:po­cpf\c; Emcpav&iac;.

cone of revolution, MA0., crrpocpo­yr;vr, c; Kw voe;· [Koo voe; EK 7tEptcrrpo­cpf\c;}.

cylinder of revolution, MA0., crrpo­cpoyr;vr,c; KUKA! vopoc;· [ KUA.t vopoc; EK 7tEptcrtpocpf\c; J.

element of area of a surface of revolution, crtoLXEiov Eµ13aoou i:f\c; EK 7tEptcri:pocpfjc; Emcpavr; iac;.

element of volume of a surface of revolution, crtoLXEiov oyKou i:f\ c; EK 7tEptcrrpocpfjc; Emcpavr; iac;.

ellipsoid of revolution, MA0., crrpocpoyEVl':c; El..AEtlj/OELoi::c;· [EA.AEt­lj/OEtoEc; EK 7tEptcri:pocpf\ c;}.

equator of the ellipsoid of revolu­tion, icrriµEpl voe; 'tOU EK 7tEptcri:pocpf\c; El..AE tlj/OELOOU<;' [icrT]µEpt voe; TOU cri:po­cpoyr;vouc; El..A&1\j/0E1oouc;J.

hyperboloid of revolution, MA0., cri:pocpoyr;vEc; (mr;pf30A.or;1oi::c;· [EK 7tE­ptcrrpocpf\c; {mr;pf30A.0&1oi::c;].

oblate ellipsoid of revolution, t7ti-7tA.ai:u crtpocpoy&vtc; El..AE L\j/OELOE<;' [E-7tL7tAU'tU EK nr;p tcrtpocpf\ c; EA.A.r;1\j/OE1-oi::c; ] .

paraboloid of revolution, MA0., crrpocpoyr;vtc; 7tapal30A.or;1oi::c;· [EK 7tE­p1cri:pocp1;c; napaf30A.or;1otc;].

poles of the ellipsoid of revolution, n6A.ot wu EK 7tEp tcrtpocpfjc; tAA.Etlj/OEt­oouc;· [ 7tOAOt TOU cri:pocpoyr;vouc; tA­AE llj/OELOOU <;} .

prolate ellipsoid of revolution, Eni­µriKEc; crrpocpoyr;vtc; El..AEtlj/OEtotc;· [E-7tiµT1KE<; t':K 7tEptcrtpocpfjc; EA.AEtlj/OEl­otc; j .

solid of revolution, MA0., cri:pocpo­yr;vtc; crtEpE6v· [ crtEpEov EK nEptcri:po­cpfjc;· t':K 7tEp tcrtpocpfj c; cri:EpEOV J.

solid of revolution of least resist­ance, MA0., ijcrcrovoc; uvncri:<icrr;roc; cri:pocpoyr;vtc; cri:EpE6v· [f]crcrovoc; uv­-rtcr-racrr;roc; t':K nr;p1crrpocpf\c; cri:r;pr;6v].

surface of revolution, MA0., crtpo­cpoyr;vr,c; smcpavr;ia· [ Emq>UVEta EK 7tEptcri:pocpfj c;· EK 7tEptcri:pocpfjc; emcpa­VEta}.

surface of revolution of minimum

939

revolution of the earth

area, crtpO(jloyi;vi]c; i\A.ax;tcrt0EmQl<iVEt­a· {i':A.ax;tcrt0EmQl<iVEta EK nEptcrtpo­Qlfjc;· EmQlUVEta EK 7tEptcrtpOQli'jc; tou i':A.ax;icrtou i':µBa8ou].

zone of a surface of revolution, ~rovri ti'jc; EK ni;ptcrtpOQli'jc; f:mQlavEiac;· grovri crtpo(jloyi;vouc; Em(jlavdac;].

revolution of the earth about the sun, neptc)"'rpo<p'l'j {Kiv11<rn;] -rfji; yfji; nspi -r6v flA.wv· [ m;pt<popa -rfji; yfji; nspi -r6v f\A.wv].

revolve, 1, neptmptcpoµat (rrepi cr11µstov). 2, ALTP., m:pt<po­pou~tat ( = m:pt<ptpoµat 1tepi svu 0'1W€LoV' EKTeAW EAAelITTLK~V TPOXLUV m;pi SVU miµefov· KUT' avn8. np6i; TO rotate, 1teptmpt ­cpoµat nepi -r6v Cil;ovci µou).

Reynolds (Osborne -), ("Ocrµnopv) PtvoA.v-ri; ( = anA.oi; µi1xuvo-rt­xv1ii;- 1842 - 1912).

Reynolds number, pei.ivoMtav6i; a­pt8~t6i;· [ apt8µ6i; TOU PtvoA.v-ri;j.

critical Reynolds number, Kpicrt1-to<; · pi;iivof.otav6c; up10µ6c;.

effective Reynolds number, 8pa­crnK6c; pciivof.8tav6c; apt01-t6<;.

rotating Reynolds number, 1tEPt­crtpocptK6<; pEiivoA8tav6c; upt0µ6c;.

Reynolds stresses, MHXT., pei.i­voA.8tavui -rcicreti;· [ -rcicreti; wu PtvoA.v-ri;· cpatv6µevat -rcicreti;}. (LYN.: apparent stresses).

r-face (of a simplex), = r-dimen­sional face (of a simplex).

rh, = rh factor.

rH, pox a· [ap-aI11-ri;] ( = µt-rpov 6/;e 186.lcrewi;-a vuywyfj i;).

rh factor, pi]cretoi; napciywv· [ pij­crewv].

rh negative, apVY]TLKOV pijO'etoV.

rh positive, 8enK6v p11cret0v.

940

Riabuchinsky's characterization

Rham, 8. de Rham.

rhamphoid cusp, MA0., pa~t<poet-81'ji; UVUKUµni].

rhetorical algebra, P1lTOPtK'l'j {Ci­cr11µoi;] CiA.ysppu.

rhetorical geometry, PYJTOptKll yew­µe-rplu.

Rhind papyrus, ncinupoi; -rou Pin· [ nanupoi; wu 'Axµti;j.

rho, pro· [ p }.

rho-theta system, cr6crTY]~ta p-8· { cr6cr-r1iµu an(voi;-8tonrn6cre-wi;j.

rhomb, MA0., p6µPoi;.

rhombic, poµPtK6i; ,i] ,6v.

rhombic antenna, PAL1., po~tPtK1'J! Kepaiu.

rhombohedron, MA0., poµP6e-8pov.

rhomboid, poµPoe18i]i;,11i; ,ti;.

rhomboid, po~1Poe18ti;· [ poµPoet-8f:i; Te-rpcinA.wpov].

rhombus, MA0., p6µPoi;.

rhumb, NA YT., p6~tPoi;· [ Kaprn ]. demirhumb, 1']µ1pp6µBwv· [ µEt~o­

Kapta].

rhumb line, NA YT., A.ol;o8po~nK1'} ypaµµij. (EYN.: loxodromic curve; loxodrome).

Riabouchinsky (Dimitri Pavlovich -), (i111~1i]-rptoi; IluuA.oP1-ri;) Pt­uµnoucrlvcrKu ( = pGlcrcroi; µu811-µunK6i;· y. 1882).

Riabouchinsky's characterization of cavities by an extremum prob­lem, ptUPOUO'tVO'KLUVOi; XUpU­KT11PlO'~LOi; [xupUKTY] ptcrµ6i; KU-

Riccati (Jacopo Fr.-)

TU PtaµnoucrtvcrKU J -rwv (6µop­poi:KGlv) KuKA.wµfrrwv 81' £crxu­nuKou npopA.i]~tami;.

Riccati (Jacopo Fr. -), (T/;;6.Kono <Pp.) PtKKan ( = haA.Oi; µu81iµu­nK6i;· 1676 - J 754).

Riccati-Bessel functions, cruvup-ri]­creti; PtKKan-MnfocreA..

Riccati equation, ptKKunuv~ £1;i­crwmi;'{£1;tmumi; wu PtKKan ].

Ricci (Curbastro -), (Koup~mci­cr-rpo) Piwt· (= irnA.6i; ~ia811µu­nK6i; · 1853 - 1925).

Ricci calculus, ptKKtav6i; A.oy1crµ6i;· {A.oywµ6i; mu Piw1· rnvucrµa,­nK'l'j UVUAUO'li;j.

Ricci tensor, ptKKtuv6v -rcivucr~tu· [ -rcivucrµu mu Pi wt].

Richardson (Lewis Fry-), (/\.touti; <flpai:) Piwapvwov ( = anA.oi; ~La81iµmtK6i;· 1881 - 1953).

Richardson (Sir Owen Williams-), (Etp ·oouev rouiHuvi;) Pi­TO'apvwov ( = U')")'AOi; <jlUO'lKOi;· 1879 - 1959).

Richardson number, p1xap8crwvta­v6i; apt8µ6i;· [ apt8µ6i; mu Pl­-rcrupv-rcrov].

Richter (Charles F. -), (TcrapA.i; <fl.) Pix-rep ( = aµeptKuv6i; O'et­O'~lOAO')'O<;' ')'. 1900).

Richter scale, p1x-reptav'l'j KA.{~1as· [ KA.t~ias mu Pix-rep].

riddle, a'ivtyµa.

ridge (of a roof), KopuµP11 [ Kop­cptai;] (-rfji; O'Tey11i;).

Riemann (Georg Friedrich Bern­hard -), (re6.lpy1oi; <flpet8eplKo<;

Riemann surface

Bepvap8o<;) Pfµav ( = yepµuv6i; ~1u811µunK6i;· 1826 - 1866).

Riemann-Christoffel curvature ten­sor, -rcivucrµu KaµnuA.6-r11mi; Pi­~tav-Kptmo(p<peA..

covariant Riemann-Christoffel cur­vature tensor, cruvaf.A.01rot6v tavucrµa Kaµnuf.6trit0c; (tc\iv) Pi~tav-KpicrtOQl­QlEA..

Riemann geometry, ptµavvtav'l'j ')'e­w~teTpia· {yeroµe-rplu -rou Pl­~tav].

Riemann integral, ptµavvtav6v 6-A.oKA.ij proµa· {6A.oKA.i]pwµu -rou Piµuv].

Riemann mapping theorem, MA0. , pt~1avv1av6v ElKOVtO'µtKOV 8e6.l­P11PU' [ dKovtcrµtK6v 8e6.lp11µu wu Plµuv}.

uniqueness conditions in Riemann mapping theorem, cruvOfiKat µov6-i:qt0c; [ cruvOfjKm ~1ova8tK6trit0c;] tau ptµavviavou dKov1crµ1Kou 0Eropi]µa­toc;.

Riemann sphere, ptµuvvtavi]_ crcpat­pa· [ mpatpa wu Piµav].

Riemann spherical surface, pt~tav­v1uv11 cr<patptK'l'j £mcpciveta.

Riemann-Stieltjes integral, 6A.oKA.ij­pw~ta Piµav-faiA.-ryei;.

Riemann-Roch theorem, 8e6.lp1iµa Pl~iav-Pox· [ pox1av6v 8effip11-µaj.

Riemann sum, ptµavvtav6v Ci8pot­crµa· [ Ci8potcrµa Plµav].

Riemann surface, £mcpciveta P{µav· [ ptµavvtuv'l'j ErrHpciveta].

branch cut off a Riemann surface, KA.a8oc; anowµfjc; [anowriOEic; KM-8oc;] ptµavviavfi~ Em(jlavEiac;.

branch-point of a Riemann sur­face, crriµctov 8taKA.a8oocrEroc; ('tfjc;) p11-tavvtavfjc; i\m(jlavEiac;.

941

Riemann transformation

elliptic type of a Riemann surface, EA.A.emt1K6c; ttmoc; p1µavvtavfic; i:m­cpaveiac;.

order of a branch-point of a Rie­mann surface, t<i~tc; (rnu) cr1iµdou 8iaKA.a8wcrewc; (tfic;) p1~iavvwvfic; i:m­cpavEiac;.

type of Riemann surface, turroc; p1~1avvwvfic; emcpavEiac;.

Riemann transformation, pt~tav­vtav6c; µsrncrxri~tatwµ6c; .

Riemann zeta function, t;;fjta cruvap­n1crtc; tou Piµav.

Riemannian, ptµavvtav6c;,1),6v ( =

tou Piµav).

Riemannian antipolar, ptµavvwvi] UVtl7tOAtKfi.

Riemannian coordinates, ptµavvta­vai cruvtstayµi':vm.

Riemannian curvature, ptµavvwvi] KaµnuA.6nic;.

Riemannian geometry, pt~tavvwvi] ysco~tstpia.

Riemannian manifold, ptµavvwv6v noA.Untuy µa.

Riemannian measure of curvature, ptµavvwv6v µi':tpov KaµnuA.6-tT]toc;.

Riemannian metric, pt~tavvwvi] µs­tptKfi.

Riemannian polar, ptµavvwvi] no­A.tK1).

Riemannian space, ptµavvwv6c; x&­poc;.

geodesic coordinates in Rieman­nian space, yew8arnKai /yew8mcria­Kai} cruvtetayµtvm rnu p1µavvwvou xwpou.

Riemannian space in Riemannian curvature, ptµavvtav6c; x&poc; ptµavvtavfjc; KaµrruA.6tT]TOc;.

942

right circular cone

Riemann surface of (hyperbolic, parabolic, or) elliptic type, pt­µavvwvi] E7ttcpavsta (un:spPoA.t­Kou, napapoA.tKou, il) EA.A.st­nn KOU tU7tOU.

Riesz (Frigyes -), (<l>piyKtsc;) Pirit;; ( = o0yypoc; µa81wanK6c; · 1880 -1956).

Riesz-Fischer theorem, 8swp1wa Pirit;;-<l>icrsp.

rift, I'EQA., pcoyµfi. earthquake rift, cre1crµ1Ki] pwyµi].

rift valley, fEQA., O"EtCTµtKi] KOt­A.Uc;· [ crstcrµtKi] tcicppoc;}.

right, NOM., 8tKaicoµa. patent rights, 8tKmroµarn (rrpovo­

µiou) eupecrrn:xviac;.

right, I, 8sl;t6c;,a,6v. 2, MA0., 6p96c;,fi,6v. 3, 8sl;tci.

continuous on [continuous to] the right, cruvexi]c;, i1c;,f:c; rrpoc; t<i 8e­~1<i.

left-right problem, <ip1crtepo8e~16v rrp6PA.riµa.

limit on the right, OpLOV rrpoc; tU oe~1a· foe~1<'>v opwv J.

right angle, 6p9i] ycovla.

right-angled, 6p8oywvt0c;,oc;,ov.

right ascension, AETP., 6p9i] ava-cpopa: [ 6p9i] avapacrtc;}.

right circular cone, 6p96c; KUKAtK6c; K&voc;· [ K&voc; EK nsptmpo­cpfjc;).

frustum of a right circular cone, 6p06c; KUKA.1K6c; K6A.oupoc; Kilivoc;.

lateral area of a frustum of a right circular cone, £µPa06v rrapa­rrA.eupou f:mcpavEiac; [ rrap<irrA.wpov eµPa86v} 6p0ou KUKAlKOU KoA.oupou KWVOU.

lateral area of a right circular cone, £µPa86v rraparrA.eupou £mcpa-

right circular cylinder

vdac; [ rrap<irrA.wpov &µpaoov] 6p-0ou KuKA.tKou Krovou.

volume of a right circular cone, oyKoc; (rnu) 6p0ou KUKAlKOU KWVOU.

right circular cylinder, 6p96c; KU­KAtK6c; KuA.t v8poc;· [ Kt'.JA.t v8poc; EK nsptcrtpocpfjc;).

similar right circular cylinders, oµOLOL 6p0oi KUKALKOi KUA.tv8po1.

right cone, 6p96c; K&voc;.

right conoid, 6p96v KOlvost8i':c;.

right cylinder, 6p96c; Kt'.JA.tv8poc;.

right dihedral angle, 6p9i] 8is8poc; ycovia.

right-hand convention, MA0., 8s­l;t6crtpocpoc; {OESLOXEtptKll) crt'.Jµ­pacrtc;.

right-hand limit, 8sl;t6v opt0v· [ npoc; ta osl;ia opt0v}.

right-hand side of an equation, 8sutspov [8sl;i6v] crKi':A.oc; ('ri'jc;) ES tcrwcrsOlc;.

right-handed, 8sl;i6xsip(oc;),oc;,ov· [8sl;t6crtpocpoc;,oc;,ov}.

right-handed coordinate system, 8s­l;t6crtpocpov cruvtstayµi':vov cru­O"tT]µa· [8sl;t6cr'tpocpov crt'.Jcr'tT]µa O"UV'tEtayµf:VOlV}.

right-handed curve, 8sl;t6cnpocpoc; KUµ7tUAT].

right-handed rotation, 8sl;t6cr'tpo­cpoc; (nspt)mpocpfi.

right-handed screw, MA0., 8sl;t6-cr'tpocpoc; KoxA.iac;.

right-handed screw convention, MA0., cruµpacrtc; 8sl;t0cr'tp6cpou KoxA.iwaswc;· [8sl;t6cr'tpocpoc; cruµpacrtc;}.

rigid

right-handed trihedral, 8sl;t6cr'tpo­cpov 'tpis8pov.

right helicoid, 6p9i] £A.tKost8fic;· {6p9i] f:A.tKost8i]c; Emcpavsia].

right ideal, MA0., 8s1;16v L8s&8sc;.

right inverse, MA0., 8sl;ta av<i­cr'tpocpoc; (n.x. µT]'tpdou).

right line, 6p9i] [ sMEl.a J ypaµµi].

right member of an equation, 8su­'tspov µi':A.oc; 'ti'jc; E/;tcrwcrswc;.

right module, MA0., 8sl;t6c; µ6-8t0c;.

right parallelepiped, 6p96v napaA.­A. T] A.rnins8ov.

right prism, 6p96v npfoµa.

right section of a cylinder, 6p9T) rnµfi [8tarnµT)j KuA.iv8pou.

right section of a prism, 6p9T) 'toµT) {8tarnµT)] npicr~tarnc;.

right sphere, 6p9T) crcpaipa.

right spherical triangle, 6p9oyrovtov crcpatptKOV [ crcpatptKOV 6p9oyro­VLOV j 'tptyOlVOV.

solution of a right spherical tri­angle, ErriA.ucrtc; tou cr<pmptKOU 6p0o­ywviou tp1yc0vou.

right triangle, 6p9oywvLOv 'tpiyw­vov.

isosceles right triangle, icrocrK&Atc; 6p0oywvwv tpiywvov.

leg of a right triangle, crK£A.oc; [ K<i-0ernc; rrA.eupaj rnu 6p0oywviou tpt­ywvou.

solution of a (plane) right triangle, erriA.umc; rnu (cu0uypaµµou) 6p0oyw­viou tptywvou.

right truncated prism, 6p96v KoA.o­P6v npicrµa.

rigid, 1, cr'tspp6c;,a,6v. 2, MHX., O"'tcpp6c;,a,6v· [ axs86v UKaµ-

943

rigid body

moc;,oc;,ov· 8UcrJCaµnTOc;,oc;,ov }. 3, MHX., 6A.6crmµoc;,oc; ,ov. 4, MA0., crn;pp6c;,u,6v· [8Ucrrnµ­moc;,oc;,ov}.

absolutely rigid, MHXT., t'moM­-rroc; cm;pp6c;,6.,6v· [ aitoA.frtroc; oucr­KaµitTOc;,oc;,ov· crXEOOV CiKaµitTOt;,oc;, ov].

extremely rigid, = absolutely rigid. infinitely rigid, Uitciproc; O'TEpp6c;,

6.,6v· { U7tctproc; 8\JcrKaµitTOc;,oc;,ov· µaA.A.ov iiKaµitwc;,oc;,ov].

perfectly rigid, -ri::A.i::iroc; cr-ri::pp6c;,6., 6v· [ -ri::A.i::iroc; oucrKaµmoc;,oc;,ov· crxi::­oov iiKo.µitwc;,oc;,ov].

semi-rigid, l, fiµtEUKaµitwc;,oc;,ov. 2, MA0., fiµ1cr-ri::pp6c;,6.,6v· [ fiµ16.­Ko.µitwc;,oc;,ov].

rigid body, I, MA0., crn:ppov cr&­µa· [McrrnµnTOV cr&µa]. 2, MHXT., crn;ppov cr&µa· [8Ucr­KaµnTOv crffiµa· <JXE86V UKUµ-7tTOV cr&µa }.

building rocked as a rigid body, MHXT., K-ripwv cri::16µi::vov cllc; cr-ri::p­pov crooµa· [K-ripwv cri::16µi::vov cllc; 6A.6crroµoc; opyo.v1crµ6c; J.

dynamics of rigid bodies, OUVO.µtKf] -roov cr-ri::p poov crroµ6.-rrov.

idealized concept of a perfectly rigid body, iOo.vtKcuµtvri av-r[J..11\jltc; (tvoc;) crooµo.wc; cllc; aitoMtroc; crtEp­pou.

mechanics of rigid and deformable bodies, ~lT]XUVLKi] crTEppoov KO.i Jta­paµop(jlrocriµrov crroµ6.trov.

perfectly rigid body, MA0., MHXT. TEJ..ciroc; crTEppov crooµo. · {(mof..U-rroc; 8UcrKo.µmov crooµo. · UKO.µJtTOV crooµo. J.

responding translation and rotation of a rigid body, UVTlTO.KTLKi] [ KO.T' av­TlTo.~lV J µEt6.0Ecrtc; KO.i cr-rpo(jlf] crTEp­pou crooµo.wc;.

rigid-body motion, MHXT., Kivri­mc; mhµawc; we; <JTEppoiJ· { 0-AO<Jffi~lOc; Ki vri me;}. ·

rigid~body rotation, MHXT., crTpo-

944

rigid frame

q>ij crffiµaTOc; ffic; <JTEppou· {6A6-<JffiµOc; crtpoq>i]}.

rigid building, MHXT., I, crtEppov Ktipwv· [oucrJCaµnTOv Ktipwv 1-2, 6A6crmµoc; otJCoooµi].

extremely rigid building, MHXT .• UltOAUT(J)t; crTEppov KTipt0v· [ aitoM­T(J)t; oUcrK0.µ7tTOV Kt[ptov· O'XEOOV ii­K0.µ7tTOV KTtptOV j.

rigid cylinder, MA0., crti:ppoc; K0-A.ivopoc;.

simplified problem of the rotating rigid cylinder, aitA.oitoiriµtvov npo­PA.riµo. -rfic; 7tEptcr-rpo(jlfic; wu crtEP­pou KuA.ivopou.

rigid dynamics, <JtEppa OUVU~ttKi]· [ouva~nKij 1&v crti:pp&v crm­µumv}.

rigid end fixation, MHXT., crti:ppoc axpaia 7tUKTfficrtc;.

perfect restraint corresponding to rigid end fixation, TEAELO. ofoµcucrtc;: avncrw1xoucro. itpoc; crTEppav UKpo.[-0.V 7tUKT(J)crtv.

rigid figure, MA0. , crti:ppov (yi:m­~11:1ptK6v) crxflµa.

condition of mobility of rigid\ figures, MA0., cruv811KTJ KtVT]tO'tlFOc;: -roov cr-ri::ppoov crxriµ6.trov.

movement of rigid figures, MA0.,. Ktvi]cri::tc; -roov cr-rEppoov crxriµ6.-rrov.

rigid foundation, MHXT., crtEpp&: 8EµEAtmcrtc; .

resting on a rigid foundation~ crtT]pt~6µEvoc;,T],OV eiti cr-rEppt'iiv Sc­µEA.irov.

rigid frame, MHXT., I, <JTEppov nA.aicrwv· [ nA.atcrim~ia · 6A6crm­µov nA.atcrimµa]. 2, 7tAatcrtm16c;; q>opi;uc;.

analysis of rigid frames, = rigid: frame analysis.

elementary collapse mechanism of rigid frame, crw1xe1oooric; ~n1xav1crµo<;

rigid frame analysis

KO.TO.PPEUcreroc; [ crTOtXELOOOT]c; acr-ra-0Eto.] cr-reppou itA.o.tcriou.

special problems of (beams and) rigid frames, MHXT., elOtKa itpoPA.T1-µo.m (ooKoov Ko.i) crti:: ppoov itA.o.tcrirov.

rigid frame analysis, MHXT., nA.m­mmµanKij avuA.ucrtc;• [ UVUAU­crtc; t&V <JTEpp&v 7tAatcrimv· a­VUAUcrtc; t&v 6/...om:Dµmv q>opt­mv }.

rigid-frame convention, MHXT., cruµpacrtc; 7tEpi 7tAatcrtmµu1mv · { cruµpacrtc; ni:pi 6/...ocrffiµmv 7tAat­crtmt&v q>optmv}.

rigid frame subjected to symmetric loading, MHXT., crti:ppov n/...ai­mov tmoPA.ri8€v de; cruµ~tETpt­Kijv q>6pnmv· [nA.mcrimµa un6 cruµµi:tptKijv Pupuvcrtv}.

rigid-framed structure, MHXT., 7tAatcrtmtoc; { 6A6crm~t0c;} q>o­pi:uc;.

rigid geometrical figure, MA0., crti:ppov ysmµEtptKOV crxfjµa· {crTEppOV crxfjµaj.

rigid girder, MHXT., crti:ppov 06-Kmµa· [ crti:ppu 0oJC6c;· 6A6crm­µoc; ooK6c;}.

infinitely rigid girder, Uitciproc; crtEp­pov [ aitciproc; 8UcrK0.µ7tTOV J OOKroµo.· f crxeoov UKO.µitTOc; OOK6c;].

rigid joint, MHXT., crti:ppoc; [a-1Ca~11t1oc;] K6µpoc;.

rigid-jointed framework, MHXT., <JTf:ppocruv8Etoc; <JKEAEt6c; · [ <JKE­AEToc; ~1€ aJCuµrcwuc; JC6µpouc;}.

rigid member, MHXT., crti:ppov µ&A.oc;· [(crxi;86v) i'iKaµnwv µt-1.oc;· <JTEppov <JtotXEfoV· UKaµ-7ttOV <JTOlXEfov· <'iKaµrtTOV µt-1.oc;}.

rigidity

rigid motion, MA0., crti:ppu Kivri­mc; (= µEtUKLVl]crtc; <JXl]µan­crµou ano µiiic; 8foi:mc; de; aHriv xmpic; al.A.ayi]v tfjc; 8taµopq>fjc; 11 TOU µi;yt8ouc; TOU).

rigid plate, MHXT. , cr11:pp6c; 8i­crKoc;· [ crxs86v UKaµnwc; 8i­<JKoc;}.

theory of elastic assemblages of rigid plates, Si::ropio. t&v eA.o.crnKOOV cruµitf..EyµatroV tOOV crtEppoov oicrKOOV.

rigid shear wall, MHXT., crti:ppov TOLXffiµa· { 'tOlXffi~ta UKU~L\jltac;j.

rigid solid, MA0., crti:ppov crn;­pi:ov ( = EA.acrnJCov cr11:p1:6v £1;­mpsnJCfjc; crTE:pp6Tl]TOc;).

rigid structure, MHXT., I, crti:ppov ooµriµa· [8Ucrrnµmoc; q>opi::uc;· crxs86v <'iKa~11twc; q>opi:uc;]. 2, 6A6crmµoc; q>opi:uc;· [ 6A6crmµoc; KUta<JKWl']j.

rigid system of points, MA0., crti:ppov cr0cr1riµa crri µEimv ( cr11:­pwu yi;mµEtpLKOU crxfi~tarnc;) .

rigid-type construction, MHXT., I, OU<Jl)'.aµnrnc; KUta<JKEUl']. [ crxE-86v UKUµ7tTOc; KUta<JKEUl']}. 2, 6A.6crmµoc; KUtaO'KEUi].

rigid wall, MHXT. , cr11:pp6c; TOtxoc;· [8Ucrrn~11tTOc; wtxoc;}.

rigidity, I, UKUµ\jlia (KaT' avnota­<JTOAij npoc; TO stiffness, 8ucrKaµ­\jlta). 2, MHXT., cr11:pp6tl]c;' [ crxi;86v UKUµ\jlia}. 3, MA0., crwyv61ric;· [ <iKaµ\jlia}.

axis of rigidity, ii~rov crtEpp6triwc;· [ii~rov avncrt6.crcroc; de; KUµljltV].

bending rigidity, MHXT., KO.µitnKi] crtEpp6n1c; ( = eA.acrttKO'tllt; eiti KUµ­lj/Et).

coefficient of rigidity, MHX., cruv­tEA.Ecrti]c; crtEpp6t11toc;· [ crlJVtEAECJti]c;

945

rigidity of a building

6Atcr0i]creroc;· µ&tpov 6Atcr0i]creroc;· µ&­-i:pov crtepp6tr1t0c;• oeutepov µ&tpov SAacrnK6trit0c;}.

coupling of isolated elements of rigidity, MHXT., cru~eo~tc; µeµovro­~tevrov crtetxeirov aKaµljliac;.

distribution of rigidity, MHXT., KatavoµTi crtepp6t11t0c;.

element of rigidity, crt0txeiov crtep­p6tritoc;· [ crt01xeiov aKaµljliac;].

extensional rigidity, MHXT., EKta­ttKTi [ecpeAKocrnKi]} crtepp6tric;.

flexural rigidity, MHXT., (nep1)­KaµnnKi] crtepp6tric; ( = t.AacrnK6tric; tni K<iµ1ve1) .

free-standing elements of rigidity, MHXT., €Aeu0epa crt01xeia crtepp6-trit0c;· {eA,eu0epa crt01xeia aKaµljliac;}.

modulus of rigidity, µ60tov crtep­p6trit0c;· [ µ&tpov crtepp6trit0c;· µ&­tpov 6A,1cr0i]creroc;· oetitepov µ&tpov tAacrnK6trit0c;}.

principal axes of rigidity, MHX., Ktiptot ii~ovec; crtepp6triwc;· [ Ktiptot ii~ovec; avncrt<icreroc; etc; KUµlj/LV ].

relations of rigidity, crxeticre1c; [ax&­aetc;} crtepp6triwc;· [ axfoeic; aKaµ­ljliac;].

shear rigidity, MHX., otatµT"jnKi] crtepp6tric; ( = BAacrnK6tric; eni 6At­cr0i]cret' t.AacrttK6tric; eni Otatµi]cret).

stairway contribution to rigidity, MHXT., croµpoA,Ti tou KAtµaKocrta­crioo eic; tl'iV UKUµlj/tUV tijc; Kata­O"K€\lflc;.

symmetrical distribution of rigidity, cruµµetptKTi KatavoµTi crtepp6trit0c;· [ cruµµetptKi] KatavoµTi aKaµljliac;].

torsional rigidity, crtpennKi] crtep­p6tric; ( = eA,acrttK6tric; eni crtpl':ljlet).

vertical elements of rigidity, Kata­K6pucpa crt01xeia crtepp6tritoc;· [Ka­-i:aK6pucpa crt01xeia aKaµljliac;].

warping rigidity, crtpepA,ronKTi crtep-p6-i:11c; ( = EAacrnK6tric; eni otacrtpe­pA,wcret).

rigidity of a building, MHXT., crtspp6tT]<; tfjc; oiKo8oµfjc;· [8ucr­KUµ\j/iu 'tOU Kttpiou· ( crxs86v) OXUµ\j/tU tfjc; KU'tUCJKWfj<;}.

946

ring

rigidity problem, MA0., np6~A.1iµu (~m911µunKfjc;) crtUyv6n1wc;.

rigidly, MHXT., crtsppwc;· [( crxs-86v) aKaµntroc;j.

rigidly attached vertical load, MHXT., crtsppwc; { aKaµrttroc;j npocr11 pn1µevov KUtuK6pucpov cpoptiov.

rigor, UUO''tl] p6t11c;· [ aA.uytcriu ]. mathematical rigor, µa0riµanKT] a\J­

O"tT"jpOtfjc;' [ µa01iµanKTi aA,oy1cria].

rigor of mathematics, aA.uytcrtu [aKpa uucrt11p6t11c;J t&v µue11-µunK&v.

rigorous, aKproc; uucrtl] p6c;,a,6v.

rigorous analysis, (uKproc;) uucrt11pa [ uucrt11 potaTTJ} avaA.ucrtc;.

rigorous implication, AOr., (u­Kproc;) uucrtlJ pa cruvrnuyroy~.

rigorous solution, (uKproc;) uucrtl]pa [ uucrtl] pot UTT]] tniA.ucrtc;.

Rind papyrus, = Rhind papyrus.

ring, MA0., 8uKtt'lA.toc;. anchor ring, l, OaKtUAtoc; ayKtipm;;.

2, nap<iKOKAoc;. (EYN.: annulus).

Chow ring, xoP1av6c; OaKtUAtoc;· [oaK-i:uA,wc; wu Taao].

commutative ring, avnµeta0enK6c; oaK'tUAtoc;.

division ring, ota1penK6c; OaKtti­Atoc;.

factor ring, napayOVttKOc; oaKtU· Atoe;. (EYN.: quotient ring).

Grothendieck ring, ypo0evotKtav6c; OaKtUAtoc;· {OaKtUAtoc; tell rKp6-0evnK}.

measure ring, µetpooaKtUAtoc;· [oa­KtUAtoc; µetpou].

morphism of rings, TOIIOA., µop­cptcrµoc; oaKtoAirov.

Noetherian ring, vai0epiav6c; oa­KtUAtoc;· [0aKtUAtoc; -i:flc; Nateep].

ring as (a) module

normed vector ring, yvroµovtaKoc; { yvroµo0etT"j0eic;j UV\lcrµattKOc; Oa­KtUAtoc;.

quotient ring, 1tTlAiKoc; oaKtUALOc;. (EYN.: factor ring).

residue class ring, oaKtUAtoc; (til'lv) KataAoinrov KAacrerov.

a-ring, crtyµooaKttiAwc;· [oaKttiAtoc; criyµa].

theory of rings, 0eropia til'lv oa­KtUAirov.

toroidal ring, t0poe10Tic; [ KptKoet­oi]c;} oaKtUAtoc;.

torus ring, -i:6poc;· {t0poe10Tic; oa­KtUAtoc;].

unitary ring, µovaotaioc; OaK'tUAt­oc;.

ring as (a) module, MA0., 8uKtt'l­A.toc; cbc; µ68toc;.

ring counter, Aorn:M., 8uKtuA.tu­K6c; µctpT]tlJ<;.

ring function, MA0., 8uKtUA.WK1l O'UVUptr]crt<;' { CJUVUpTT)O'L<; bu­KtuA.iou j.

ring of polynomials, 8uKtt'lA.toc; no­A.urovuµrov.

ring of sets, MA0., 8uKtt'lA.toc; cruv-6A.rov.

semiring of sets, i]µ10aKtUAtoc; cruv6A.rov.

ring segment, MA0., 8uKtuA.wK6v tµfjµu· [ tµfjµu 8uKtuA.i.ou}.

ring shift, Aorn:M., bUK'tUA.tUKTJ µi:mt6mcrtc;.

ring surface, MA0. , 8uKtuA.tUK1l sntcpavsta. (EYN.: torus ring).

ring theory, MA0., buKtUA.taKTJ es­ropfo· [9sropiu TWV buK'tUAl(J)V}.

Coulomb's ring theory, KooA,oµPta­vTi oaKtUAtaKil 0eropia· {OaK'tUAtaKll 0eropia -i:ou KouA.6µ].

ring with unit element, = ring with unity.

Robin's function

ring with unity, MA0., buKtt'lA.toc; ~tw1 (tfjc;) µova8oc;· [8uKtt'lA.toc; ~Leta ~tovu8wiou crtmxciou}.

ringed space, TOIIOA., buKtUA.tu­Koc; xwpoc;.

rise, £sup~m· [£supcrtc;}.

rise between two points, f:sapµu [esapcrtc;} µsmsu Mo cr11µdrov:

rise of a roof, £supµa {15\jloc;] tfjc; crtey11c;.

rise time, <l>YE., XP6voc; tsapcrsroc; ( tou naA.~tou).

risk, MHXT., MA0., 8wKtv8Uvw­crtc;· [ picrKo}.

calculated risk, µeA.etriµ&vri [f.­crKeµµtvri} otaKt vouveucric;.

theory of risk, 0eropia -coov otaKtV­ooveucrerov.

risk of dying, I:T AT., Ki v8uvoc; tsA.wtfjc;· [1civ8uvoc; anoPtrocri:­roc;· lO'XU<; ( tfj<;) 9VT]O'tµ6tT]'tO<;}.

Ritz method, MA0., pncrtavl] ~te-9o8oc;· [ µe9o8oc; tou PiTc;}.

rivalry, avnsl]A.(a.

Roberts (John Henderson-), (Tscliv XeVTcpcrov) P6µnsptc; ( = aµs­ptKav6c; µu91iµanK6c;· y. 1906).

Roberts's straight-line motion,MH­XT., su9uypa~tµLu [ su9uypaµµi­

crtptu J 1:0u P6~msptc;· [ popsp­tcrtavi'j sueuypuµµicrtpta}.

Robin (Gordon de Q. -), (rK6p­vwv Vtf: P.) P6~tmv (= aumpu­A.Oc; ysrocpucrtK6c;· y. 1921).

Robin problem, poPtvtav6v np6-P"-ri~1a· [rcp6PA.11~m tou P6-µmv}.

Robin's function, poptvtavi'j cruv­aptl]crtc;· { cruvaptl]crtc; 1:0u P6-

947

11

I

robot

µntV' ()l)VUp1:f]<nc; mu rKpTJV 'l:OU i;pimu f.lOOllc;j.

robot, MHXT., MA0., £py6µmov· { pO~l1t01: j.

decision-making robot, arcocpacno­AllTC'tlKOV €py6µarov· [ PO~lTCO't A.ft­ljleOOc; arcocp6.creOOV j.

robot device, £pyoµanK6v ot<icrKW· ov.

robust estimation, I:TAT., crnpapa £Ki;i~n1crtc;.

Roch (G. - ), (r.) Pox (= cr6yXPo­voc; yspµavoc; µa9riµanK6c;).

Riemann-Roch theorem, 0erop1iµa P[µav-Pox· {pox1av6v 0eropriµa].

rocked, I:EU::M., crst6µsvoc;,ri,ov. building rocked as a rigid body,

Kt[ptOV <JELOµEVOV roe; <J'tEpp6v criOµa· { K'tlptOV <JEt6µEVOV We; 6/..6crroµoc; 6pyavtcr~t6c;].

rocket, n6pau/..oc;.

948

booster rocket, £v1crxuwc6c; rcu­pau/,oc; .

cosmic rocket, Kocr~ttK6c; {8tacrtri· µtK6c;j TCUpcttlAOc;.

escape rocket, rcupatlA.oc; 8tacpuyfic;. ideal rocket, l8ero8ric; [0eropT]nK6c;]

rcupauA.oc;. ion rocket, tovnK6c; [ 1]AeKtpocrta­

nK6c; j rcupauA.oc;· {lovrorcupa\lAoc;j. meteorological rocket, µEteropoA.o­

YtK6c; rcupauA.oc;· [ rcupa\lA.oPoA.[c;j. (EYN. : rocketsonde).

multistage rocket, rcoA.tlcrt6.8t0c; [ rco­A.u6pocpoc;] rcupauA.oc; .

photon rocket, cprorovt0rcupatlA.oc;· { cpOO'tOVLUKoc; TCUpa\lAOc;j.

plasma rocket, rcA.acrµuc6c; [ i]AEK­tpoµa yvrinK6c;j TCUpauA.oc;.

single-stage rocket, ~t0vocrt6.8t0c; {µovoµEpi]c;j rcupct\lAoc;.

sounding rocket, PoA.tcrmcoc; rcu­pauA.oc;.

space rocket, 8tacrt1iµoitupatlA.oc;· {8tacrt1iµtK6c; rcupatlf...oc; j.

rocking motion

spin rocket, OtVT]µU'tLKOc; TCUpct\ll..oc;· [rcupatlA.oc; 8tvi]cri;roc;].

step rocket, Priµatt(crn)K6c; rcupau­A.oc;. (EYN.: multistage rocket).

theoretical rocket, 0eropT]ttK6c; rcu­pauf...oc;. (EYN.: ideal rocket).

vernier rocket, pi;pvteptav6c; [ ptl· 0µtcr'tlK6c;j TCUpctul..oc;.

rocket engine, nupau!..0Ktv11n'Jp· [ nupau/..0µ11xav~j.

rocket missile, nupauMPl..riµa· [nu­paul..tK6v pt..fj~m· nupau!..tKov P"-11i;6v].

rocket nozzle, nupau/..ocp6crtov· [a­Kpocp6crtov nupau/..ou].

rocket propellant, nupau!..tK6v npo­co9rinK6v.

rocket propulsion, nupauA<i>9ri enc;· [ nupau!..tKTJ np6cocnc;j.

rocket ship, nupau/..6n/..otov.

rocket thrust, nupau!..tKTJ cbcnc;· [ wcnc; (mu) nupau/..ou].

rocket vehicle, nupauMxri µa.

rocketry, nupau!..tK~· [ nupau/..oi;s-xvia j.

rocketsonde, nupaut..opot..ic;.

rocking, At KVtcr~16c;.

rocking action, AtKVtCJ'l:lKll opucnc;· {1..tKVtcrnKi] £vf;pYrJcrtc;}.

rocking mode, MHXT., AtKVtcrn­Kov i;p6miµa.

vibrating in a coupled extensional­rocking mode, Kpa8mv6µevoc;,ri,ov Kata cr\lVE~E\lyµtvov €rcEKtanKoA.1-KvtcrnK6v -rp6rcriµa.

vibrating in a coupled flexural­rocking mode, Kpa8mv6µevoc;,11,ov Kct't6. <J\lVE~t:uyµevov KctµTC'tLKOl..tKVl­crnK6V 'tpOTCT]~ta.

rocking motion, lviKvtcrtc;· {tvtKVt­crnKi] KtVf]crtc;}.

!l'OC\dng vibration

ll'Ocking vibration, AtKVtcrnKoc; Kpa­oacr1<6c;.

free rocking vibration, €/...eU0epoc; f...tKvtcrnK6c; Kpa8acrµ6c; .

irod, MHXT., papSLov· [ papooc;j. cantilever rod, rcpopof...taKTt [ rcp6-

Pof..oc;] p6.P8oc;.

Rodrigues (Olinde -), ('Olvf:vi;) Po­vi;piyK ( = yaHoc; ~m9riµanK6c;· 1794 - 1851).

equation of Rodrigues, po8ptyE­crtavi'] s~icrrocnc;· [s~icrrocnc; wii Povt­piyK].

Rodrigues's coordinates, pooptys­. cnavai cruvi;swyµf;vm· [ cruvi;s­

wn1f;vm mu Povi;piyK].

Rodrigues's formula, po8ptyscrta­v6v Ota'l:UTCffiµa· [OtU'l:U7tCOµa mu Povi;piyK· 'l:UTCOc; mu Povi;p(yKj.

ll'Oentgen, <l>YI:., psvi;yf;vtov· [ pf;vi;­y1<ev· pai'.V'l:yKf.V j ( = µovcJ.c; cl-1mv0Potviai:;).

Roentgen (Wilhelm Konrad - ), (roulv1f;/..µoc; Kovpuooc;) Pai'.n­y1<sv ( = ysp~1av6c; cpucnK6c;· 1845 - 1923).

Roentgen rays, psvi;ysvtavai a1<i;i'.­vsc;· [ aKi;ivsc; Pai'.ny1<sv· UKTL­vsc; Xj.

role indicator, AOrII:M., £vosiKTf]c; p61vou (Klvstoo/..f;l;ou, KTA.).

roll, 1, KU At voricr1c;· [ KUAtcrtc;}. 2, AEP., Ku!..ivoricr1c;· [6pt'(,ovno­cri;pocp~].

angle of roll, yrovia Kuf...1v8i]creroc;· [ yrovio. 6pt~OV'ttO<J'tpOcpi'jc;j.

roll axis, al;cov KllAtVO~crsffic;· {0.l;cov 6p1'(,ovnocri;pocpfjc;j.

roll out, AOrn::M., otayvfficrnKT] ( anayyslvfo).

roof level

rollback routine, AOrII:M., ava:­crucrwnKi] crupµ~.

Rolle (Michel -), (MixaiJlv) P6A-A. ( = yalvlvoc; ~m91iµanK6c;· 1652 -1719).

Rolle's theorem, pOAAf.lUVOV esro­Priµa· [9sci>priµa mu P6Hj.

roller, MA0., KUAtcri;pov· [ KUAtv­OfJT~c;].

cylindrical roller (in space), KtlA.tv-8ptK6c; (Ev t0 xroprµ) Kuf...1v8ritfic;.

spherical roller (in space), crcpat­ptK6c; (sv t0 xroprµ) Kuf...ivoritfic;.

rolling axis, = roll axis.

rolling circle, KUAt6KuKlvoc;· [ KUAt6-µsvoc; K6Klvoc;].

rolling friction, MHXT., KllAtVOtKTJ [KU At votcrnKi] J i;ptP~.

rolling load, MHXT., KUAt6µsvov {KllAtVOtKOV 1 cpopi;iov.

rolling moment, MHXT., KUAtVOtKi] pom'r [ ponil Klllvtvo~crsffic;j.

Roman law, NOM., pffiµU'LKOV oi­KatOV.

Roman numerals, pcoµa'iKO. apt-9µ11nK<i.

roof, TEXN., op6cpffi~ta· [ cri;f;yrr ()Kf.TC~· opocp~j.

elevation of the roof, e~apcrtc; [uwoc;J tfic; crteyric;.

inclination of a roof, eyKf...tcrtc; [ Kat6.Kf...tcnc;J ti'jc; crtenc;.

pitch of a roof, rcp6veucnc; f Pa0µ6c; Kf...[creroc;] ti'jc; crteyric;.

ridge of a roof, KopuµPri [ Kopcptac;] ti'jc; crteyri c; .

rise of a roof, e~apµa [uwoc;] tfic; crteyric;.

span of a roof, 816.vointa [€Kite­'tacrµa] ti'jc; crtf,yT]c;.

·roof level, cri;a9µri i;fjc; cri;E;y11c;.

949

room

room, ateoucrcr [8wµanov]. assembly room, I, ateoucra cruy­

Kev-rpcbcrecov. 2, apµO<J'ti)p!OV' { <JUV­apµO<J'ti)ptOV} ( = £pyacr-rfipiov t\ al­eoucra cruvapµoA.oyi)<JE(J}(;).

drawing room, TEXN., crxelltacr-rfi­piov.

recording room, 1]xoA.11n-re1'.ov· [0a­A.aµoc; 1]xoA.1wiac;}.

root, MA0., pil,;a.

950

approximate a root, npocrEyytcr'tEUCO pisav ( = unoA.oyisco <J'iv pisav Ka'ta npocreyytcrµ6v).

approximating a (square) root, npocreyyicr-reumc; [ npocreyy1crµ6c;} ( <E­-rpaycovtKijc;) pis11c;.

biquadratic root, 8ne-rpaycovtKii Pisa.

complex root, µ1ya81Kll pi~a.

conjugate imaginary roots, cru~u-ye1'.c; cpav-racrnKai pisat.

conjugate roots, crusuydc; pi~at.

cubic root, KuBtKJ'i pisa. diminution of roots, µdcomc; [uno-

B1Bacrµ6c;} -rrov pis&v. dominant root, 8ecrn6soucra pisa. double root of an algebraic equa­

tion, 81nA.ij pisa aA.yeBptKijc; £~tcroo­crecoc;.

elongation of the root, em~Li)Kuvmc; •i\c; pts11c;.

extract a root, f:~ayco pi~av. extraneous root, napeicraKtoc; pisa. imaginary root, cpavwcrnKii pisa. infinite root, ane1poc; pisa. isolate a root, anoµovcii pisav. isolating a root, anoµ6vcocr1c; (-rijc;)

pts11c;. location of roots, toito0ecria {0{;­

mc;} -r&v PLs&v. negative root, apvqtLKJ'i pi~a .

nontrivial roots, µJ'i EUtEA.etc; pi­sat.

positive root, 0enKii pisa. real (and negative) roots, npayµa­

tLKai (Kai 6.pv11nKai) pisat. repeated root, £navaA.aµBavoµi:vq

[ 1tEPl00tKii} pisa.

root of a nuotber

simple root, anA.ij pisa. square root, tEtpaycov1Kii pi~a.

triple root, tpmA.ij pi~a.

root locus, pt/;;tKoi; -r6noi;· [ -r6nor; t&v pt/;;&v } .

root locus plot, p1/;;ot0mKov {mo­n'.mwµa· [unon'mwµa toll t6noo 'tWV ptl,;&v}.

root-mean-square, pil,;a µfoou n:­tpayffivou.

root-mean-square deviation, €Ktpo­m'J pi1,;11i; ~1foou ti:tpayffivou· [Elsµi:A-taKf] €Ktpom'r Elsµi:A-taKft €Ktponf] µfoou ti:tpayffivou].

root-mean-square error, crcpaA-µa pil;;11i; µfoou tEtpayffivou· [Els­µi:A-taKov crcpaA-µa· ElsµsA-taKov crcpaA-µa µfoou ti:tpayffivou].

root of a complex number, pil;;a µtya8tKOU aptEJµou.

root of a congruence, MA0., pil,;a cruvapµocr-r6-r11wi;· [ pil;;a cruv­ap~wyfji;).

root of a matrix, MA0., pil,;a ~u1-tpdou.

characteristic root of a matrix, xapaK'tllPl<JtLKJ'i {A.av06.voucraj pisct toil µqtpdou · [loionµJ'i (toil) µq­-rpeiou].

latent root of a matrix, A.110aict fJ...av06.voucra} pisa toil µqtpeiou.

root of a number, pil,;a ap1El~tou. approximate root of a number,

7tpocreyy1<JµLKJ'i p(~a Upt0µoil. extracting [finding} the (square)

root of a number, e~aycoyfi [ eupemc;] •i\c; (tEtpayCOVLKi\c;) pi~11c; tv6c; 6.pL-0µoil.

nth root of a number, vuocrtii pisct apt0µoil.

principal root of a number, npco­-reuoucra pisa apt0µoil.

~oot of a quadratic equation

square root of a number, t E-rpayco­VtKi\ pisa ap10µoil.

root of a quadratic equation, pil,;a 8w-rspo~aElµiou €~tcrfficrswi;.

complex root of a quadratic equa­tion, µ1ya8tKii pi~a 8eutepoBa0µiou E~t<JOO<JECOc;.

equal roots of a quadratic equation, fom pism (ti'jc;) 8eutepoBa0µiou £~t­croocrecoc;.

root of a quadratic form, pil,;a (µtiii;) ti::-rpaywvtKfji; µopcpfji; .

square root of a quadratic form, tEtpaycov1Kii pisa (µtac;) -re-rpaycovt­Kfjc; µopq>fjc;· [ tEtpaycovtKii pisa µ1ac; 8eutepoBa0µiou µopq>ijc;}.

root of an algebraic equation, pil,;a aAyE~ptKfji; €~tcrffic;i:;(J)i;.

changing signs of the roots of an algebraic equation, aA.A.ayii (t&v) m1-µdcov t&v pt~&v µtac; aA.yeBPLKijc; £~t<JOO<JEOJc;.

double root of an algebraic equa­tion, omA.fj pisa aA.yeBptKi'jc; £~woo­creOJc;.

infinite root of an algebraic equa­tion, aitetpoc; pisa aA.yeBptKijc; £~t­croocrEOJ<;.

real roots of an algebraic equation, npayµanKai pisat aA. YEBPtKfjc; E~L­(JclJ(JEOJc;.

relation between the roots and coefficients of an algebraic equation, crxi:mc; (µEta~u) PLsOOV Kai <JUVtEAE­<JtOOV (µiac;) aA. reBptKi'jc; t~tcroocreOJc;.

triple root of an algebraic equation, tpmA.i\ pisa aA. yeBp1Kf\c; £~tcrrocrecoc;.

root of an equation, pil,;a €~tcrfficri::­'Oi;.

approximate root of an equation, npocreyytcrnKii [ npocri:yywtoc;] pisa. £~t<JcD<JECOc;.

changing the signs of the roots of an equation, aJ..A.ayJ'i t&V crqµeiOJV -rrov pts&v µtac; t~tcrrocre(J}(;.

decreasing the roots of an equation, imoB1Bacrµ6c; [µeicocrt c;] tciiv pt~ciiv (µtac;) £~1crrocrecoc;.

root test

diminution of the roots of an equation, µeicomc; [imoBtBacrµoc;] t&v pts&v (µ1ac;) £~ 1croocreco:;.

equal roots of an equation, foat pisat E~ t<JOOO'EOJc;.

extraneous roots of an equation, na.pdcraKtoL pism £~tcroocrecoc;.

finding the roots of an equation, EUPE<Jtc; [ 7tpO<JOlOPL<Jµ6c;J t&v pts&v µtac; e~tcrrocreOJc;.

integral roots of an equation, aKi:­patat pisat £~t<JOO<JEOJc; .

isolating a root of an equation, ano­~16vcocrtc; ti'jc; pi~qc; µtac; £~tcroocrecoc;.

limits of the roots of an equation, opiov t&v Pts&v µtac; e~woocreOJc;.

limits to the real roots of an equation, 6pta -rciiv npantattK&v pt­s&v µtac; E~ t(JOOO'ECOc;.

lower bound to the (number of) roots of an equation, Katootepov 6-piov t&v pts&v µtac; £~tcrrocreco:;.

multiple root of an equation, noA.A.anA.ij pisa £~tcroocrecoc;.

multiplicity of a root of an equa­tion, noA.A.anA.6tqc; t&v pt~&v µ1fo; E~tO'OOO'EOJc;.

negative roots of an equation, apv11-ttKai pism e~tcrrocrecoc;.

positive roots of an equation, 0e­nKai p[~at £~t<JOO<JECO<:;.

reduction of the roots of an equa­tion, avaycoyii t&v pt~&v µt'Uc; E~woo­<JEOJc;.

triple root of an equation, tpmA.i'j pisa e~tcroocreOJc;.

upper bound to the (number of) roots of an equation, avcbtepov ni:pac; t&v ptsG.Jv µtac; e~woocrecoc;.

root of negative one, pil,;a. -rfji; &.pv11-n Kfji; µova8oi;· [pit,; a. wu -1].

square root of negative one, tE­tpaycovtKii pi~a. tail -1· {t~tpayco­vtKll p[~a tijc; apVJltLKijc; µovaooc;j ·

root of unity, p(l,;a. tfji; µova8oi;.

root test, p1/;;1Kf] ~acra.voi; [~acra.voc; pil,;11c;] (wu Kwcru).

951

rose

rose, MA0., p68ov'[ po8or.t8fx,j. four-leafed rose, -i:erpacpuA.A.ov p6-

oov. n-leafed rose, vucpuA.A.ov p60ov. three-leafed rose, -i:picpuA.A.ov p6-

oov.

rose curve, po8or.t8i]c; KaµrruA.11.

rose of Grandi, ypav8tav6v p68ov· [ po8or.t8f.c; mu I'Kpavn}.

rosette, MA0., po8or.t811c;' [ po8or.t-8i]c; Ka~l1tUA11' po8oKaµrruA.11].

rotary, crrpo<ptK6c;,11 ,6v· [rrr.p1crtpo­<p1K6c;,f] ,6v j.

rotary engine, rrr.ptcrrpo<ptKij µ11xa­v~· [crtpO<pOKLVJlTllPJ.

rotary pendulum, (rrr.pt)crrpo<ptKOV [ cr<pmptKov J EKKpr.µtc;.

rotary polarization, <l>YL., crrpo<pt­Kij [ 7tf.plO'TpO<pLKij} rr6A.wcrtc; .

rotate, 1, rrnptcrrpt<poµat. 2, MHX., O'TpE<pO~Lat. 3, ALTP., 7tf.plO'TpE­<poµm ( = EKTEA& rrr.ptcrrpo<pijv rrr.pi TOV asova µou· Kat' uvn-8tacrrnA.ijv rrpoc; ro revolve, rrr.pt<popouµm, rrr.pt<ptpoµm yu­pw urr6 €va mwr.fov).

rotating body, rrr.ptmpr.<p6µr.vov cr&µa.

rotating mass, crrpr.<poµtv11 [ rrr.p1-crtpr.<poµtv11] ~t&.sa.

equivalent rotating mass, icroou­vaµoc; (nept)cr-i:pecpoµev11 µa~a.

rotating Reynolds number, rrr.pt­crrpo<pLKoc; pEUVOAOWVOc; apt9-~t6c;.

rotating rigid cylinder, MA0., rrr.­ptcrtpr.<p6µr.voc; mr.ppoc; KuA.iv-8poc;. . simpli~ied problem of the rotating

rigid cylinder, anA.oucr-i:euµevov np6-

952

rotatio'r

PA.riµa mu neptcrrpecpoµevou crreppou KuA.ivopou.

rotation, 1, rrr.ptcrrpo<pf]. 2, MHX., crtpo<pf]. 3, MA0., ALTP., rrr.pt­crrpo<pij (rrr.pi asova). 4, OIK., rrr.ptrporrf] · [Eva/..Aayf]j.

angle of rotation, 1, yrovia crrpocpi'jc;. 2, yrovia neptcrrpocpfjc;.

angu.lar rotation, MHXT., yrovtaKT'j crrpocpri .

axis of rotation, 1, a~rov crrpocpfjc;. 2, a~OOV 7tEplcrTpOcpfjc;.

case of translation and rotation MHXT., nepinrromc; µe-i:a0foeroc; Kai crrpocpfj c; · [ nep inrrocrtc; µe-i:aKL vi]cre­roc;].

center of rotation, 1, KEvrpov cr-i:po­cpfjc;. 2, Kev-i:pov neptcr-i:pocpfjc;.

center of the elastic rotation of a system, MHXT., KEVTpov r1;c; i';A.a­crnKfjc; crrpocpfjc; mu crucrri]µarnc;.

coefficient of rotation, OITT., cruv­-i:eA.rn-i:i]c; neptcrrpocpfjc;.

condition for decoupling of rotation ~rom tr~nslation, MHXT., cruv0i]Kq U7tO<JU~EU~Eroc; cr-i:pocpfjc; Kai µe-i:a0€­creroc;. . daily .rotation of the earth, AETP., 1iµepricr1u neptcr-i:pocpij -i:fjc; yfjc;.

dynamics of rotation, M HX., cr-i:po­(jllKi] OUVaµtKfi.

effect of joint rotation on dynamic response, MHXT., tnevepye1a -i:fjc; Ka-i:a wile; K6µPouc; crrpocpfjc; i';ni -i:fjc; OUVaµtKfjc; UVTl'tcl~eroc;.

elast.ic rotation, MHXT., tA.acrnKT'j cr-i:pocpT] . . end rotations (of beams), MHXT., UKplllUl crrpocpai (-i:C:Ov OOKWV).

~r~:rnnd rotation, MHXT., crrpocpij mu eoacpcll>tarnc;· [toacptKT'j crrpocpfi}.

instantaneous center of rotation 0.KUptaiov Kev-i:pov (nept)crrpocpfjc;. '

job rotation, OIK., f;pyo0ecrtKT'j i';v­aA.Aayfi· [tvaA.A.ayfi f,pyouj.

joint rotation, MHXT., cr-i:pocpi] -i:C:Ov K6µProv. (:EYN.: rotation at the joints).

left-handed rotation, O.ptcr-i:ep6cr-i:po­cpoc; (nept)crrpocpi].

rotation about a line

plane of rotation, MHXT., tnineoov crrpocpfjc;.

responding translation and rotation of a rigid body, MHXT., 0.vnraK'tLKi] {Kat' UVtlTU~l VJ µi;:ra0ecnc; Kai <JTpO­ocpij crreppou crcll>tarnc;.

restraint from rotation, MHXT., o<JtpocptKi] 8tcrµeucrtc;· [8tcrµeucrtc; Ka­,u. crrpocpfjc;}.

right-handed rotation, 8e~t6crtpo­<poc; (nept)crrpocpfi.

rigid-body rotation, MHXT., crrpo­<pi] crcllµarnc; we; crreppou· [ 6A6crroµoc; mpocpi]}.

solid rotation, MHXT., crtepert [6-f..6crroµoc;] crtpocpi].

time-dependent rotation, MHXT., XPOVE~clpTT]TOc; crrpocpi].

unit rotation , µova8taia cr-i:pocpi]. vanishing-end rotation, MHXT.,

crrpocpij µT]OEVL~O>LEVOU aKpOU.

rotation about a line, MA0., rrr.pt­mpo<pij rrr.pi ypaµµf]v.

rotation about a point, MA0., rrr.p1-mpo<p11 rrr.pi cnwr.fov.

rotation at the joints, MHXT., crrpo<pij Kata rnuc; KO~L~ouc; .

rotation formulas, MHXT., 8taru­rrcl:J~tata [ rurrot J crrpo<pi'jc; .

rotation group, MA0., rrr.ptcrrpo­<ptKTJ 6µac;· [ 6µac; rrr.ptcrrpo­<pi'jc;j.

rotation of a floor around a horizontal axis, MHXT., crrpo­<pij op6<pou rrnpi 6pts6vnov a­sova.

rotation of axes, MHXT., crrpo<pij TWV USOVWV.

simplification of an equation by rotation of axes, MA0., anA.oucrreu­mc; i';~tcrcllcreroc; 816. (nept)crrpocpfjc; tC:Ov 0.~6vrov.

rotation of axes in space, MA0., (rrr.pt)crTpO<pij TWV as6vwv EV T(j'> xwpcp.

Rossby (Carl-Gustav Arvid -)

rotation of coordinate system, MA0., (rrr.pt)crrpo<pij (rou) cruv­TEtayµtvou crucrrf]~tarnc;.

rotation of rectangular axes in the plane, MA0., (rrr.pt)crrpo<pi] Tffiv op9oywviwv as6vwv EV T(j'> E1tt­rrt8cp.

rotation of the coordinate trihedral, MA0., (rrr.pt)crrpo<pij mu cruv­Tr.tan1tvou Tptt8pou.

rotation of the earth (about its axis), rrr.ptcnpo<pij Ti'jc; yfjc; (rrr.pi TOV USOVU Tllc;).

rotation of the line of apsides, ALTP., m:plcrtpo<pij mu U\j/t8t­KOU asovoc;· { 7tEplcrTpo<pij 'LOU asovoc; TWV U\jff8Wv].

rotation of the moving trihedral of a surface, MA0., rrr.ptcrTpo<pi) mu Ktvowitvou Tptt8pou µ1&.c; ETCt<pavr.iac;.

rotational, crTpo<ptK6c;, f],6v· [ rrr.pt­crrpo<ptK6c;,f] ,6v].

rotational and translational equa­tion, MHXT., crrpo<ptKi] Kai µr.rn9r.nKi] EStcrwcr1c;· [Esfcrm­mc; crTpocpfjc; Kai µr.ta9for.wc;}.

rotational constraint, MHXT., O'TpO<pLKij KatacrTOAf].

elastic rotational constraint, i';A.u­cruKii crrpocptKT'j Ka'taO''tOAi]' [KaTU­<JtOA ii ('tfjc;) EACl.O'TLKfjc; O''tpOcpfjc;}.

rotational dynamics, MHXT., crrpo­<pLKi) 8uvaµtKf}.

rotational elasticity, MHXT., crrpo­<ptKlj SAaO'TLKOTJlc;· {EAaO'TlKO­Tl] c; O'T pocpi'j c;j.

Rossby (Carl-Gustav Arvid -), (Ka­poA.oc;-roucrrauoc; A.) P6crcrµrru ( = crou1186c; µr.Tr.wpoA6yoc;).

953

Ros:;by number

Rossby number, pocrcrPtavo<; apt0-µ6<;· [ &.pt8µo<; 10u P6crcrµnu ).

Rota (Gian-Carlo-), (Tsav K<ipA.o) P6-rn. ( = aµspuca.vo<; µa8riµan­K6<;· y. 1912).

Rota's theorem, ponavov 0sffipri~1a· [0sropriµa 10u Porn).

rotational energy, crtpO<plKTt svtp­"{elU.

rotational equilibrium, crtpo<ptKl) tcropponia.

rotational inertia, MHXT., crtpo<pt­KTt aopcivsta.

rotational motion, 1, cr-rpo<ptKit Kt­v11crt<;· 2, ALTP., 7teptcrtpo<ptK1) KtVY)crt<; (= KtVllcrt<; 7teptcrtpo­<pfj<; 7tepi a~ova).

rotational quantum number, 7tept­cr-rpo<ptKo<; aKptPocrto<; (apt0-µ6<;).

rotational restraint, MHXT., crtpo­<j>tKft OEcr~LCUO"t<;· {ofo~LeUcrt<; Ka­ta cr1po<pfj<;}.

rotational speed, nsp1cr1po<ptKTJ rn­XUtYJ<;' ( = crtpo<pai Kata µovci-8a xpovou).

rotational symmetry, 1, 7teptcr1po­<pLKTJ cruµµetpia. 2, MHXT. , crtpo<ptKit cruµµs1pfa· [ crtpo<po­ysvi)<; cruµµstpia).

rotational vector, MA0., crtpo<pt­KOV [ 7teptcr·rpo<pt KOY 1 avucrµa.

rotational vibration, MHXT., cr1po­<ptKo<; Kpa8acr~16<;.

interconnection of translational and rotational vibrations, &.A.A.riA.i#wn1-cru; µeta9&nKiilv Kai crrpoqitKiilv Kpa­oacrµiilv.

rotational wave, MHXT., cr1po<pt­Kov Kuµa'{otatµYJnKov Kuµa).

954

round angle

rotatory, crtpo<ptK6<;,i] ,6v· [ 7tf;pt­mpo<ptK6<;,i] ,6v).

rotatory inertia, MHXT. , cr-rpo<ptKl) aopciveta.

bending with rotatory inertia, K<iµ­\Vll; Myo;i [Kaµljlll; f.Kj crtpO(jllKyt~ aopaveia<;.

effect of shear and rotatory inertia on the configuration of a beam. trrevtpyew owrµficrero<; Kai crrpoqitKft~ aopaveia<; f.rri LOU (yECO~l&tptKOU) O"X,11-µattcrµou µtu <; ooKou.

rotatory power, MHXT., crtpo<ptKl\ OUVacrt<;· { crtpO<plKTt LCTXU<;j.

specific rotatory power, eiotKit crrpO(jltKi'] ouvacrt<;.

rote, cruvf]8sta. by rote, I , f.K cruvq9&ia<;'{µrixavt­

Kiil<;}. 2, &.rr6 µvi]µT] <;.

rote memorization, anocr1f]8tcr1<;· { µrixavtKTt cl7tOµVqµ6VCUcrt<;}.

rotor angular momentum, MHXT. , cr1po<p&taKit [yupocrK07CtKTJ} ym­VtaKit pUµY).

rotor moment of inertia, MHXT. , cr1po<p&taKit [yupocrKomKft} po­m) aopavsia<;.

Rouche (Eugene - ), (Euytvw<;) Pou-cr!> (= yciA.A.o<; µa0riµanK6<;· 1832 - 1910).

Roucbe's theorem, poucrstavov 8&­ffipriµa· [8sffipriµa 1ou Poucrt}.

rough drawing, 7tp6xs1pov crxsoia­crµa.

roulette, 1, pouA.t11a. 2, MA0., 1poxfcrKo<;· [ 1poXtKTJ KaµnuA.rr 1poxoKaµnuA. ri).

round, = round off.

round angle, MA0., crtpoyyuA.11 [nsptymvtKit] ymvfa.

-round d

d d MA0 (to) crtpoyyuA.ov roun , ., otA.w· [(10) cruµpoA.ov a).

round off, MA0., crtpoyyuA.sum ( apt0µ6v, K1A.).

round-off error, = rounding error.

rounded number, MA0.,. cr1p~yyu­A.euµtvo<; [ mpoyyoA.o<;] apt8-µo<;. (LYN.: abbreviated num­ber).

rounding error, MA0., cr<paA.µa (A6yQl) crt poyyuA.suµa10<;.

rounding numbers, = rounding off numbers.

rounding off numbers, MA0., crtpoyyuA.eucrt<; apt0µ&v.

route, opoµ&· [opoµoA.oy&).

route, 1, NAYT., 7topsia. 2, TEXN., nopsucrt<;· [oowcrt<;}. 3, 8p?­µoA6ytov· [ ypaµµit opo~oA.oyri­cr&m<;· ypaµµit opoµoA.oytou).

lane route, otootKi'] rropeia (Mpo<; fi 9o.M.crcrri<;).

routine, 1, pou1fva. 2, A<?rI:EM. , crupµi]· [ crupµi'J otawymv).

assembly routine, lipµocrnKT] [ cruv­apµoA.oyT]nKT]] crupµfi .

automatic routine, aur6µaw<; crup· µi]. .

auxiliary routine, f.mKOUplKT] {~OT]-0T]nKi']} crupµi].

closed routine, KA.etcrri'] crupµi]. compiling routine, cruµmA.T]nKT]

crupµi]. debugging aid routine, 6.rroKa9o.p-

i:tKi'] crupµi]. . diagnostic routine, 810.yvcocrnKT]

crupµi]. error detection routine, crqiaA.µ0.1:0-

<proparpta crupµi]. . executive routine, EKtEA.ecr'tlKTJ [e-

7t01t1;tKTi] crupµi] . floating point routine, crupµi'] KtVT]­

i:ft<; orrocrtl yµft<;.

routine

general routine, YEVtKi'] crupµi]. generating routine, y&vvi] rpta crup-

µi]. ' ' heuristic routine, eiJp&nKT] crupµT]. housekeeping routine, oiKOKUptKi]

crupµi]. input routine, crupµi'] dcrqiopac;·

[ crupµi'] eicrKoµioft<;]. . interpretive routine, f;pµT]VEULIKT]

crupµi] . loading routine, qiopncrnKT] crup­

µi] . malfunction routine, crupµi] ota­

yvchcrero<; ~A.a~11<; (•ft<; crKl..TJ pocrKeu-ii<;). '

minimum access routine, crupµ11 eA.axicrtT]<; rrpocr~acreroc; · [eA.ax1cr1:0-~0.1:lKi] crupµi1J .

minimum latency routine, _crupµil eA.axicrtT]<; 6.vnµovftc;· [ crupµ11 eA.a-xicrr11<; rrpocr~acr&ro<;]. .

monitor routine, ot'ixveunKT] crup-

µi] . ' [ " object routine, 6.vnKetµEVlKT] em-

otroKoµtvq} crupµi]. open routine, 6.votK'ti] crupµi]. post mortem routine~ µ&ta9o.va-

no<; [ µ&9\Jcrr&po<;] crupµT] . . • rerun routine, 6.vaowopoµtKT] [ u­

vacrucrm n KT]] crupµ ii . rollback routine, 6.vo.crucrtanKi\

crupµi] . , sequence checking routine, crupµ11

erro.A.A. i]A.ou el;eA.tyl;ero<;. service routine, OrrT]pecrtaKi\ crup-

µi]. . ' specific routine, dotKTJ cru~µT]. • stored routine, 6.rro9T]KEUµEVT] [ ev­

arr69T]KO<;] crupµi]. subroutine, urrocrupµi]. supervisory routine, errorrnKT] crup-

µ11 . . ' test routine, ~acravtcrnKT] crupµT]. tracing routine, 6.vixveunKT] crup-

µi]. ' translating routine, µ&taqipacrnKT]

crupµi]. utility routine, crupµi'] ©qieA.tµotT]­

to<;.

955

routine check

routine check, AOI'IEM., crupµtKl') [ npoypaµµlKl'J} €1;€A.eyl;tc;.

routine design, MHXT., cr·rnpe6·ru-7toc; { pOllHVtEplKYJ} O"XcDtoAO­YYJcrtc;· { Ka(heproµ€v11 O"XcDtoAO­y[a j.

routine library, AOrI.EM., crupµtKl') l}tPA.to9iJKYJ"f apxerov crupµwv }.

routing, 8p6µ11mc;· [8poµoA6n­mc;].

message routing, op6µ11cru; {opoµo­'AOyricrv:;] µrivu~tatoc; (ij cri]µatoc;).

,row, MHXT. MA0., cretpci· [ cr-r[­xoc;· apci8a}.

binary row, OUUOlKO<; cri:ixoc;· {oua­OtKi] cr1ix1cr1c;].

harmonic row, apµovtKO<; cri:[xoc;. single row, µovtatoc; cri:ixoc;.

row an~ column, MA0., cr-r!xoc; Kai cr-r11A.11· [ cre1pu Kai cr-riJA.11).

interchanging rows and columns (in a determinant), i:vaA,A,aKnKi] ava­cri:poq>i] [f.vaA.A.ayi]j i:mv cri:ixcov Kai i:mv cri:riA.mv ( i:fic; 6p1~00crric;).

row binary, AOI'IEM., crnxo8ua-8tKoc; ( aptflµoc;)· { O"HXYJ poc; 8ua­DtK6c;j.

row index (of a determinant), 8d­KTYJc; mixou (-rijc; 6p1l;oucr11c;).

row matrix, crnxr1pov [µov6crn­xov} µYj'!p ctoV.

row minima, MHXT. MA0., crnx11-pu [ rn-ra cr-rlxov] €Mxtma.

maximum of the row minima, µe­yicrtov [ µi:yicri:ri} i:mv cr11x11pmv i:A.a­xicri:cov.

row of a determinant, cr-rixoc; [ cret­pu J 6p1l;oucr11c;.

row of a matrix, cr-rixoc; [ cretpu j ~l1Fpdou.

956

rule

row pitch, AOI'IEM., crnx11pov Pfiµa ( = a7t6crrncrtc; µernsu '!WV

KEV'!prov -rwv -rpijcrerov µtac; rnt­viac;).

row vector, crnx11 pov avucrµa.

r-simpJex, MA0., pro8tcicrrnrnv cruµ­nA.eyµa.

?oundary C!f an r-simplex, cruvopov tou pcootacri:awu cruµrrA,Eyµato c;.

rth, proocr-r6c;,Tj,ov (= µf; avro ij KU'!Ul ()ef K'!YJ v '!O p ).

rubber, €A.acrnx6v· [Mcrnxo}.

rubber band, €A.acrnxfJ [€1'.acrnxi­VYJ} '!atV[a.

rubber sheet, cpuA.A.ov €A.acrnxou.

rubber-sheet model for Dirichlet problem, €A.acnix1 vov npownov [ np6-runov EK cpuUou €A.acrn­xou} 8ta -ro np6pA.1iµa mu Nn­ptKA.€.

rubberized, €A.acrnxeuµ€voc;, YJ ,ov.

rubbing of surfaces, MHXT. MA0., npocr-rptPl'J £mcpavetwv.

rubble masonr)', TEXN., apyoA.t-9080µ11.

Rudolphine Tables, AITP., poMA.­cpetot rc[vaKec; .

rule, 1, Kavffiv. 2, TEXN., p[yu­fxciparnc;· KUVcOV}.

area rule, AEPO~ .• f.µPao1K6c; Ka­vci>v.

Bode's rule, Pooi:wvoc; Kavci>v· [v6-~wc; tou Mrr6ouvi:].

Cardan's rule, Kapoav1K6c; Kavci>v· [Kavci>v tou Kapvi:uv].

chain rule (for ordinary or partial differentiation), MAG., aA.ucrcoi:oc; Ka­vci>v (oui cruvi]011 ij µeptKi]v 01aq>6-p1criv).

Cramer's rule, Kpaµeptavoc; Ka­vci>v· [Kavwv tou Kpu~iep}.

rule for finding mantissa

diagonal scale of a rule, otayrovtoc; KA.lµal; (rnv6voc;).

empirical rule, eµrri:1p1K6c; Kavrov· [eµrre1p1Ki] µe0oooc;J .

fixed rule, 7tUytoc; KUVWV. formal rule, f.rriwrroc; Kavci>v. four-step rule, Kavci>v i:mv i:ecrcru-

pcov Pa0µ lOcov. Joule's rule, ~ouA.etavoc; Kavci>v·

{Kavwv tou T~uouA.} .

L' Hopital 's rule, 6mi:aA.1av6c; Ka­vci>v· [Kavci>v tou A' 'Omi:uA.}.

mechanic's rule, µrixav1K6c; Kavwv (el;aycoyfjc; 11:1paycov1Kfjc; pi~11c;) .

mercantile rule, i:µrrop1K6c; Kavrov· [ eµrri:1p1Ki] µe0oooc;].

merchant's rule, = mercantile rule. Napier's rules of circular parts,

vamepwvoi Kav6vec; i:mv KUKA.tKmv i:µriµui:cov· [ Kav6vi:c; i:mv KUKA.tK&v -rµ11µu1cov tou Naimep}.

phase rule, <l>Y:E., XHM., q>acrtKoc; KUVWV.

Simpson's rule, crtµljlovwvoc; Ka­vci>v· {Kavci>v tou ~iµljlov}.

slide rule, A.oyap10µ1K6c; Kavci>v· [ peyouA.a].

Tchebycheff's rule, i:crePucreq>iavoc; Kavci>v· [ Kavci>v wu Tcri:µrrui:creq>}.

three-eighths rule, Kavci>v i:mv i:ptGiv 6yo6cov.

trapezoidal rule, i:pam>~Oeto i]c; Ka­vci>v.

Weddle's rule, oui:ooA.tavoc; Kavci>v· {KUVOOV WU rouevrA.}.

ruJe for finding mantissa, MA0., KUVcOV !:Upfoeroc; -rijc; OUpfic; (mu A,oyapfeµou·) { KUVcOV !:Upfoeroc; -rou 8eKai5tKou µ€pouc; -rou A.o­yapi9µou } .

rule of detachment, Kavrov [ µ€9o-8oc;} -rijc; arrocrncim;roc;.

rule of false, Ka.vrov -rijc; rrA<iv11c;· [µ€9o8oc; (n1c;) 80 Kt~1ijc; Kai 7tAUVrJc;J.

rule of false position. = rule of false.

ruled surface

rule of modus ponens, = rule of detachment.

rule of proportion, = rule of three.

rule of signs, Kavrov -rwv miµefrov. Descartes' rule of signs, Kapi:e­

crtavoc; Kavwv i:mv cr11µeicov · [Kavoov i:mv crriµeicov tou Kapi:ecriou].

rule of substitution, IYMB. AOr., Kavwv -rijc; urroKarncr-rcicreroc;.

rule of supposition, = rule of false.

ruJe of thumb, £µ7tetplKTJ ~1€9o8oc; .

by rule of thumb, i:µrretptKffic;.

rule of three, Kavwv -rwv -rptwv.

rule of trial and error, µt9o8oc; (-rijc;) 8oKtµfic; Kai nMv11c;. (EYN.: rule of false).

ruled, 1, pt yro-r6c;, Tj,6v· fxapaKro-r6c; , Tj,6v}. 2, MA0. , eu9etoyev~c;,Tjc;, tc;"[xapaK-r6c;,~,6v}

ruled paper, ptyroµ€vo xap-ri· [-re­-rpayffiVtO"~LEVO xap-ri}.

ruled quadric, XUPUK'!TJ { elJ9ewye­vf)c;j 8eu-repocr-r~.

ruled surface, MA0., eu9ewyevf)c; fxapaKn'J] €7ttcpciveta.

asymptotic developable (of a ruled surface), acruµiti:COnKi] { acruµrri:cowc;j UVU1t1UK1i] (e\Jeetoyevouc; emq>avei­ac;).

center of an element of a ruled surface, KEVTpov crto1xeiou [Kevi:pov xapayfjc;} (i:fjc;) e\J0etoyi:vou<; emq>a­veiac;.

central plane of a ruling on a ruled surface, Kevi:ptKov i:itiiteoov (i:fjc;) xapayf\c; (i:f\<;) eii0et0yevouc; emq>a­veiac.

ce~tral point of a ruling on a ruled surface, Kevi:p1K6v crnµetov (i:f\<;) xa­payfjc; (i:fic;) eu0etoyevouc; emq>aveiac;.

conjugate ruled surface of a given ruled surface, cru~uyi]c; eU0et0yevi]c;

957

ruler

tm<pcivEtu 8E8oµtv11r; EU9EIOYEVour; £­m<pavEiar;.

conjugate ruled surfaces, cru~uyEir,; EU9EIOYEVEir; E7tl(jlUVE!Ut.

degree of a ruled surface, ~a9µ6r; (tiir;) EU9Et0yEvour; bn<pavEiar;.

developable of a ruled surface avamUKti] (tfir;) EU9EtOYEVOU<,; tm~ (jlQVELO.<,;.

director cone of a ruled surface 8LEU9Et<ilv [ Mriyor;J Kii'>vor; (tiir;) Eu~ 0EtOYEVOU<,; tm<pavEiar;.

directrix of a ruled surface, 8LEU-0Ewucra (tfir;) Eil9Et0yEvour; tm<pa­VEiar; .

doubly ruled surface, 8ntwr; xa­paKti] [8Lnii'>r; EU9Et0yEvi]r;j tm<pci­VEtu" {8ir,; EU9Et0yEvi]r,; trtl<pUVEtu}.

. generat:ix ,er a ruled surface, yE­VEtEtpa tT]<; EU9EtOYEVOU<,; tm<pavEiar;.

indicatrix of a ruled surface, 8EiK­tpta EU9Et0yEvour; tm<pavEiar;.

line of striction of a ruled surface ypaµµi] O'(jll~EOO<,; EiJ9EtOYEVOU<,; £m~ (jlUVEtU<,;.

parameter of distribution of a ruled surface, rrapc!µEtpor; Kamvoµfjr; (tiir;) EU9Et0yEvour; tm<pa.vEiar;.

rank of a ruled surface, ~ci9~1riµa Eil9E10ycvour; tm<puvEiur; .

rul,ing of a ruled surface, xapayi) [ 0.Kn<;] Eil9Et0yEvour; bn<pa.vEiur;.

spherical indicatrix of a ruled surface, 8EiKtptu ( tfir;) Eil9Et0yEvour; £m<pUVELU<,;.

skew ruled surface, crtpE~A.i] EU9Et0-ycvi)r; em<puvcta.

ruler, Kctvffiv· [xapaKac,}.

ruler and compass construction, KcttctCJKEUTj Kctv6voc, Kcti ~hctPii­tOU.

rules of proof, arcooctKttKoi Kctv6-vcc,· { KctVOVcC, arcoociScffiC,}.

ruling, MA0., xapctyrr { aK·ric,) ( = f] ycvetctpct µtO.c, cNlctoyc­vollc, £m<pctvcfoc,. (}:YN.: ruling of a ruled surface).

958

run

ruling of a cone, xapayi'] [ aKtic,} KcDVOU.

ruling of a cylinder, xapayi] [axric,] KuA.i vopou.

ruling of a hyperbolic paraboloid, xapctyi'] [ UKtic,} (toll) U7tcpPo­AtKOll rcapapoA.octoollc,.

ruling of a hyperboloid of one sheet, xapayi] [ UKtic,] (toll) µovoxro­VOU U7tcppoA.octOOllc,· [ xapayf] UTCcppoA.octoollc, toll f:voc, xro­vou].

ruling of a ruled surface, xapayi'] [ aKtic,] cU9ctoycvolli; £rct<pctvd­ai;· { Xctpctyi'] XctpctKtfji; EJtt<pct­Vctcti;j.

center of a ruling of a ruled surface Ktvtpov tfir; xupayijr; tfir; cil9Ewyc~ vour; £m<pavciar;.

central plane of a ruling on a ruled surface, KEVtptKov errinc8ov tfir; xa­puyfjr; tfir; cil9Et0ycvour; tm<pavEiar;.

central point of a ruling on a ruled surface, KEvtpLKOV crriµciov tiir; xa­pa.yfjr; tfir; CU9EIOYEVOU<,; £m<pavEiar;.

do~ble ruli~g (of a ruled surface), 8mA.ri xapa.yri [8tnA.ii 0.Ktir;J (µtar; EU9EIOYEVOU<,; E1tl(jlUVELO.<,;).

stationary ruling (of a ruled sur­face), crtcicrtµor; xapayi] [ crtcicrtµor; 0.Ktir;] (µtar; c\J9cwycvour; em<pa.vEi­ur;) .

ruly English, µovocr~ ~tavtct [ n8ctcr­crwµtva} ayyA.tKa· { µovomwa­crtctKOV AcStA6ytov 11ii; ayyA.tKfjc; yA.fficrcrric,J.

rumbling noise, poppopun16i; (npo­roerinKoll).

run, 1, otatptxro· {tptxro]. 2, TEXN., Otaopoµ& ( = £Ktd& A.ctwupytKi]v 81aopoµrw A.ct­toupy& wi; µT]XctVtKOV cr6crtT]­µct).

run

run, 1, MHXT. MA0., J\OrI}:M., opoµrr [owopoµfi). 2, MA0., o(apµct (t&v tctµriµtvrov Mo crriµdrov) (Kat' avno. npoc; to rise, l::sapµa t&v tctctn1tvrov 860 crriµdrov).

machine run, Aorn:M., µrixuvri­µa.ttKi] (8ta)8poµi] .

rerun, AOrIEM. , O.va8ta8poµfr [t­nava8poµi]}.

Runge (Carl David Tolme -), (Ka­poA.oc; i1apio ToA.µ8) PollvyKc ( = ycpµavoc; µaeri~tattK6i;· 1856 - 1927).

Runge-Kutta method (for solving differential equations), µteoooi; PollvyKc-Koutta (otu ti]v bti­A.umv tffiV Ota<pOptKffiV EStCJW­CJcffiV).

running, MHXT. MA0., TEXN. , owop6~1rimi; (= A.cttoupnmc; µrixavi]µaroi;).

parallel running, AOrI~M., rru­pciA.A. TJ A.or; 8ta8p6µ ri er tr; .

Russell's paradox

rupture, MHX., pfjs1i;· [ crrcamµo]. modulus of rupture, MHX., µ6810v

-rfjr; pf#ror;.

rupture by tension, MHXT., pfjstc; AOYO) E<pcAKUCJµoll.

rupture of rock, rEnA., 01appris1c; [ pfjsti;} ~ta~&v rcctproµatrov.

rural engineering, urcm8ptat<i] µri­xavotcxvfct.

Russell (Lord Bertrand Arthur Wil­liam -), (A6p8oc; Mrteptpctvt A.r.) PacrcrcA. ( = ayyA.oi; <ptM­cro<poi; Kcti µct8T]µctttt<6i;· 1872 -1970).

Frege-Russell thesis, 9€crtr; [ rrp6--racr1r; npor; O.rr68ct~tv] <Dp€yKE - Pcicr­crEA..

Russell's paradox, procrcrcA.A.tavov napa8osov· [rrapa8osov too PacrcrcA.].

959