An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 12948 Search : far
substellar point
  نقطه‌ی ِ زیر-ستاره‌ای   
noqte-ye zir-setâre-yi

Fr.: point substellaire   

The point on the Earth, or other body, at which a particular star is directly overhead at a given time.

substellar; → point.

substellarity
  زیر-ستارگی   
zir-setâregi

Fr.: nature sous-stellaire   

The fact or condition, for an object, of not being capable to sustain the → hydrogen fusion because of its low mass (less than 0.08 → solar masses).

substellar + → -ity.

subsystem
  زیر-راژمان   
zir-râžmân

Fr.: sous-système   

A coherent component of a larger system.

sub-; → system

subtend
  زیرتانیدن   
zirtânidan

Fr.: sous-tendre   

To be opposite and delimit the extent of an angle or side of a geometric figure.

From L. subtendere "to stretch beneath," from → sub- + tendere "to stretch," cognate with Pers. târ "string," tanidan "to weave," as below.

Zirtânidan from zir-, → sub-, + tânidan from tân "thread, warp of a web," tâl "thread" (Borujerdi dialect), târ "thread, warp, string," related to tur "net, fishing net, snare," from tanidan, tan- "to spin, twist, weave;" Mid.Pers. tanitan; Av. tan- "to stretch, extend;" cf. Skt. tan- to stretch, extend;" tanoti "stretches," tántra- "warp; essence, main point;" Gk. teinein "to stretch, pull tight;" L. tendere "to stretch, as above; Lith. tiñklas "net, fishing net, snare," Latv. tikls "net;" PIE base *ten- "to stretch."

subtended angle
  زاویه‌ی ِ زیرتانیده   
zâvie-ye zirtânidé

Fr.: angle sous-tendu   

An angle whose two sides pass through the endpoints of an arc.

Subtended p.p. of → subtend; → angle.

subterrestrial point
  نقطه‌ی ِ زیر-زمینی   
noqte-ye zir-zamini

Fr.: point subterrestre   

The point on the surface of a celestial body where the star is perceived to be directly overhead (in zenith). The sublunar point and subsolar point are the equivalent points for the Moon and Sun, respectively.

sub-; → terrestrial.

subtle
  نغز   
naqz (#)

Fr.: subtil   

Fine or delicate in meaning or intent.

M.E. sotil, from O.Fr. sotil, soutil, subtil "adept, adroit; cunning, wise; detailed," from L. subtilis "fine, thin, delicate, finely woven," from → sub- "under" + -tilis, from tela "web, net, warp of a fabric," → texture.

Naqz "subtle, elegant, beautiful, excellent, good."

subtract
  زیرکرشیدن، کاهیدن   
zirkaršidan, kâhidan

Fr.: soustraire   

To take one number away from another; deduct. To perform the arithmetic operation of → subtraction.

From L. subtractus, p.p. of subtrahere "to draw from beneath, take away, draw off," from → sub- "from under" + trahere "to pull, draw."

Zirkaršidan, literally "to draw beneath," from zir-, → sub-, + karšidan "to draw, pul, drag," variant of kašidan "to draw, protract, trail, drag, carry;" Av. karš- "to draw; to plow," karša- "furrow;" Proto-Iranian *kerš-/*xrah- "to draw, plow;" cf. Skt. kars-, kársati "to pull, drag, plow;" Gk. pelo, pelomai "to move, to bustle;" PIE base kwels- "to plow."
Kâhidan, → decrease.

subtraction
  زیرکرشش   
zirkaršeš

Fr.: soustraction   

The operation of finding the difference between two numbers or quantities.

Verbal noun of → subtract.

subtractive
  زیرکرششی   
zirkaršeši

Fr.: soustractif   

1) Constituting or involving → subtraction.
2) Math.: Indicating or requiring subtraction; having a → minus sign.

subtract; → -ive.

subtractive color
  رنگ ِ زیرکرششی   
rang-e zirkaršeši

Fr.: synthèse soustractive   

Color produced by mixing pigments rather than light. Mixing all of the subtractive colors together results in the color black. See also → additive color.

subtractive; → color.

subtype
  زیر-گونه   
zir-guné

Fr.: sous-type   

A special type being part of a more general type, e.g. subtype 2 among G type stars. → subclass.

sub-; → type.

succeed
  کامیابیدن   
kâmyâbidan

Fr.: réussir   

1) To happen or terminate according to desire; turn out successfully; have the desired result.
2) To accomplish what is attempted or intended (Dictionary.com).

M.E. succeden, from O.Fr. succeder "to follow on" and directly from L. succedere "come after, follow after; go near to; come under; take the place of," also "go from under, mount up, ascend," hence "get on well, prosper, be victorious," from → sub- "next to, after" + cedere "to go, move" → process.

Kâmyâbidan, back formation from kâmyâbi, → success.

success
  کامیابی، کامیافت   
kâmyâbi (#), kâmyâft

Fr.: succès   

1) The favorable or prosperous termination of attempts or endeavors; the accomplishment of one's goals.
2) A performance or achievement that is marked by success, as by the attainment of honors (Dictionary.com).

From L. successus "an advance, a coming up; a good result, happy outcome," noun use of p.p. of succedere "come after," from suc-, → sub-, + ceder "to go, move," → process.

Kâmyâbi, literally "acquiring, obtaining, finding one's desire, wish," from kâm "desire, wish," → despite, + yâbi, from yâftan "to obtain, find," → interpolation.

successful
  کامیاب   
kâmyâb (#)

Fr.: réussi, couronné de succès   

1) Achieving or having achieved success.
2) Resulting in or attended with success.

success + -ful a suffix meaning "full of, characterized by."

successive
  پیاپی   
payâpey (#)

Fr.: successif   

Following in order or in uninterrupted sequence; e.g. → method of successive approximations.

M.E. from M.L. successivus, from successus, p.p. of succedere "come after, go near to," from → sub- "next to, after" + cedere "to go, move."

Peyâpey "successive," from pey "after; step," related to "foot" (Mid.Pers. pâd, pây, Av. pad-, Skt. pat, Gk. pos, gen. podos, L. pes, gen. pedis, P.Gmc. *fot, E. foot, Ger. Fuss, Fr. pied; PIE *pod-/*ped-) + -â- epenthetic vowel + pey, as explained.

sucrose
  سوکروز   
sukroz (#)

Fr.: sucrose   

The table sugar with chemical formula C12H22O11, which is a particular type of → sugar compounds.

From → sugar + -ose a suffix borrowed from L. denoting "full of, given to."

sufficiency
  بسندگی   
basandegi (#)

Fr.: suffisance   

1) The state or fact of being sufficient.
2) A sufficient number or amount.

sufficient + -cy a suffix used to form abstract nouns.

sufficient
  بسنده   
basandé (#)

Fr.: suffisant   

1) Adequate for the purpose; enough.
2) Logic, Math.: A condition which, if true, guarantees that a result is also true. However, the result may also be true if the condition is not met. → if and only if.

M.E., from O.Fr. sufficient, from L. sufficiens, pr.p. of sufficere "supply, suffice," from sub "up to," → sub-, + root of facere "to make," → fact.

Basandé "sufficient, complete, worthy," from *basidan, from bas "many, much," → multi-.

suffix
  پسوند   
pasvand (#)

Fr.: suffixe   

An → affix that follows the base to which it is added.

N.L. from suffixus, p.p. of suffigere "to attach on top of," from suf-, variant of → sub- + figere "fasten."

Pasvand, from pas- "after, behind," → back-, + vand, → affix.

<< < -es -iv -ti 21- A r abe abs abs acc acc acc act act ada adi adu aff age alc Alf ali all alp alt ama amp ana ang ang ann ano ant ant ape apo app aps arc Arg ari art ass ast ast ast atm ato att aur aut axi B r bac Bal Bar Bar Bay bec Ber Bet Bie bij bin bio bis bla bla blu blu bol Bor bou Bra bre bro Bug C-s cal Cam can car Car Cas cat cav cel cen cer Cha cha cha che cho cir cir cir cla clo clo clu coa coe coh col col col com com com com com com com com com con con con con con con con con con con con coo cor cor cor cos cos cos Cou cou Cra Cre cri cro cub cur cyc cyl dar dat daw de- Deb dec dec dee def deg del Den dep der det deu dew dic dif dif dil dip dir dis dis dis dis dis div dog Dop dou dra dua dus dwa dyn e-m ear ecl eco eff ein Ein elb ele ele ele ele Els emi emp ene enr env epi equ equ Eri est Euc eva evo exc exc exh exo exp exp ext ext f-n Fah fam fau fee Fer fib fil fin fir fix fle flu foc for for for fra fre fre fri fun fuz gal gal gal Gan gau GCN gen geo geo geo geo Gl glo gra gra gra gra gra gre gro GW1 hab hal han HAR haz hea hel hel Hen Her heu Hig Hil hol hop hor hou Hub Hum Hyd hyd hyd hyp hys ide ign ima imp imp inc inc ind ine inf inf inf inh INP ins ins int int int int Int int int int inv ion iri irr iso iso iso Jea Jos Jun K2 Kep key kin Kol lag lam Lan lar las lav lea leg len lev lig lim lin lin lin lis lob loc log lor low lum lun lun Lym Mac mag mag mag mag mag mai Mal mar mas mas mat max mea mea mee Men mer met met met mic mid Mil min Mir mix mod mod mol mon Mor mou mul muo mys nan nat nav nec Nep neu New New NGC nob nom non non nor not nuc nuc num Nyq obj obs obs oce oen OH omn opa ope opt opt opt orb ord Ori ort osc out ove oxy pal pan par Par par par pas pea Pen per per per per per pet pha pho pho pho phy pie Pit Pla pla pla pla ple Poi pol pol pol pol pop pos pos pow pre pre pre Pre pri pri pri pro pro pro pro pro pro Pro pub pul pyr qua qua qua qua Qui rad rad rad rad rad rad ram ran rat rea rec rec rec red ref ref reg reg rel rel rem rep res res res ret rev rho Rie rim riv rol Ros rot rul S a Sah san Sat sca Sch Sch scr sec sec sec sei sel sem sep set sha she sho sid sig sil sim sin sit sky slu sno sof sol sol sol sol sou sou spa spa spe spe spe sph spi spl spr sta sta sta sta sta ste ste sti sto str str sub sub sub sug sun sup sup sup sup sur syl syn sys tal Tay tel ten ter tex the the the thi tho thu tid tim tod top tot tra tra tra tra tri tri tro tru tur twi Typ UFO ult unc uni uni uni upg ura uti val var vec vel ver ver vig vir vis voc von wak Was wav wax wea wei whi Wie win WN6 wom X-r yel you zer zod > >>