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: 13009 Search : far
feature
  آرنگ   
ârang

Fr.: motif   

A prominent or conspicuous part or characteristic. → absorption feature; → coronal features; → dust feature; → emission feature.

From O.Fr. faiture "fashion, shape, form," from L. facura "a formation," from facere "to make, do, perform" (cf. Fr. faire, Sp. hacer), from PIE base *dhe- "to put, to do" (cf. Mod.Pers. dâdan "to give;" O.Pers./Av. dā- "to give, grant, yield," dadāiti "he gives; puts;" Skt. dadáti "puts, places;" Hitt. dai- "to place;" Gk. tithenai "to put, set, place;" Lith. deti "to put;" Czech diti, Pol. dziac', Rus. det' "to hide," delat' "to do;" O.H.G. tuon, Ger. tun, O.E. don "to do").

Ârang "color; mode, form, manner," cf. Av. *iringa- "sign, mark" in haptôiringa- "with seven marks," from hapto- "seven," + iringa-; Mid.Pers. haptiring, Mod.Pers. haftowrang "the constellation of Great Bear;" cf. Skt. linga- "mark, token, sign."

Feautrier method
  روش ِ فوتریه   
raveš-e Feautrier

Fr.: méthode de Feautrier   

One of the most successful general methods for the numerical solution of the → radiative transfer equation. This method has been primarily used to study → radiative transfer in the → photospheres of stars.

P. Feautrier (1964), C.r. hebd. Séanc. Acad. Sci. Paris 258, 3198; → method.

Fechner's law
  قانون ِ فشنر   
qânun-e Fechner (#)

Fr.: loi de Fechner   

See → Weber-Fechner law.

fecundate
  گشنیدن   
gošnidan (#)

Fr.: féconder   

Biology: To impregnate, to fertilize.

L. fecundetus "made fruitful, fertilized," p.p. of fcundare, from fecundus "fruitful, fertile, productive," from L. root *fe-, corresponding to PIE *dhe(i)- "to suck, suckle;" cf. Skt. dhayati "sucks," dhayah "nourishing;" Gk. thele "mother's breast, nipple," thelys "female, fruitful;" Mid.Pers. dâyag "(wet-)nurse;" Mod.Pers. dâyé "(wet-)nurse;" Proto-Iranian *daH- "to suck, suckle;" O.C.S. dojiti "to suckle," dojilica "nurse;" Lith. dele "leech;" Goth. daddjan "to suckle;" O.H.G. tila "female breast."

Gošnidan, from gošn "male," Mid.Pers. gušn; cf. Av. varšni- "male;" Skt. vrsan-.

fecundation
  گشنش، گشن‌گیری، بارورسازی   
gošneš, gošngiri (#), bârvarsâzi (#)

Fr.: fécondation   

Biology: The act or process of fecundating.

fecundate; → -tion.

federal
  هیاوی   
hiyâvi

Fr.: féderal   

Relating to or characteristic of a unified body (e.g. a government) with constituent parts (states) that retain a measure of autonomy.

From Fr. fédéral, from L. foedus (genitive foederis) "league, treaty, alliance," → federate, + → -al.

Hiyâvi, from hiyâvidan, → federate.

federate
  هیاویدن   
hiyâvidan

Fr.: fédérer   

1) To join together in a → federation.
2) To organize on a → federal basis.

From L. foederatus "leagued together, allied," p.p. of foederare "to establish by treaty," from foedus "league, treaty, alliance," related to fides "faith."

Hiyâvidan, from Tabari hiyâ "together, with each other," probably related to Av. hi- "to chain, bind," hiθav- "association, assemblage," hinav- "bond, chain," hita- "fastened;" O.P. vištāspa- literally "with unbound horses;" Av. hitāspa-; Pers. gošudan "to open," → resolve; cf. Skt. sā-/say- "to bind, fasten, fetter." Coined on the model of Ger. Bund "federation, alliance, band," cognate with Pers. bastan "to bind," → absolute.

federated database system (FDBS)
  راژمان ِ پایگاه ِ داده‌های ِ هیاویده   
râžmân-e pâygâh-e dâdehâ-ye hiyâvidé

Fr.: système de base de données fédéré   

A composition of different databases which work in an integrated manner while preserving their autonomy.

federate; → database; → system.

federation
  هیاوش   
hiâyveš

Fr.: fédération   

1) The act of federating or uniting in a league.
2) A political unit formed from smaller units on a → federal basis.

Verbal noun of → federate.

federative
  هیاوشی   
hiyâveši

Fr.: fédératif   

Pertaining to or of the nature of a → federation.

federate.

federator
  هیاونده، هیاوگر   
hiyâvandé, hiyâvgar

Fr.: fédérateur   

He who, or that which, federates.

Agent noun of → federate + → -or.

feed
  خوراندن   
xorândan (#)

Fr.: alimenter   

1) To give food to; supply with nourishment.
2) To furnish with necessary material.

M.E. feden, from O.E. fedan "to nourish;" cf. O.S. fodjan, O.Fris. feda, Goth. fodjan "to feed."

Xorândan, transitive form of xordan "to eat, consume," Mid.Pers. xvardan "to eat, enjoy (food)," Av. xvar "to consume, eat;" Laki dialect hovârden "to eat;" Proto-Iranian *huar- "to consume, eat."

feedback
  بازخورد   
bâzxord (#)

Fr.: rétroaction   

1) For any system that has an → input and → output, the return of a fraction of the output to the input for the next action. Feedback process allows a system to regulate itself by monitoring its own output. It is of prime importance to the working of all regulatory mechanisms found in living and non-living nature, as well as in social systems such as education and economy.
2) By extension, any response or information about the result of a process.
3) → stellar feedback.
See also: → feedback loop, → negative feedback, → positive feedback, → radiative feedback, → feedforward.

feed; → back.

feedback loop
  گردال ِ بازخورد   
gerdâl-e bâzxord

Fr.: boucle de rétroaction   

A closed transmission path in a → feedback process involving part of the → output as an → input for correction or control of the operation of a → system.

feedback; → loop.

feedforward
  پیش‌خورد   
pišxord

Fr.:   

In a self-regulatory system, monitoring a disturbance before it enters the → system to apply corrections before the disturbance has influenced the system. See also → feedback.

feed; → forward.

feedhorn
  کرنا، کرنای ِ خوراند   
karnâ, karnâ-ye xorând

Fr.: cornet d'alimentation   

In a → radio telescope, a device located at the → focal point of the → antenna. It receives the → radio waves which the antenna collects and guides them to the → detector.

feed; → horn.

feel
  سهیدن   
sohidan (#)

Fr.: sentir   

1) To perceive or examine by touch.
2) To have a sensation of (something), other than by sight, hearing, taste, or smell (Dictionary.com).

M.E. felen, from O.E. felan "to touch;" cf. O.S. gifolian, O.Fr.fela, Du. voelen, O.H.G. vuolen, Ger. fühlen "to feel;" from PIE root *pal- "to touch, feel, shake, strike softly" (cognates: Gk. psallein "to pluck (the harp)," L. palpare "to touch softly, stroke").

Sohidan, from Mid.Pers. sôhistan "to feel, to touch," sôhešn "feeling, sense," of unknown origin. Note Pers. sahestan "to fear," from Proto-Ir. *θrah- "to shake; to fear;" Pers. tars, harâs, sham "fear;" may be they are of different roots.

feeling
  سهش   
soheš (#)

Fr.: sensation   

1) The function or the power of perceiving by touch.
2) Physical sensation not connected with sight, hearing, taste, or smell.
3) A particular sensation of this kind (Dictionary.com).

Verbal noun of "to → feel."

feldspar
  فلدسپات   
feldspât (#)

Fr.: feldspath   

A group of rock-forming minerals whose members are the most abundant constituents of igneous rocks. They consist of aluminum silicates of potassium, sodium, and calcium and typically occur as colorless or pale-colored crystals.

Modification of obsolete Ger. Feldspath (now Feldspat), from Ger. Feld "field" + obsolete Ger. Spath (now Spat) "spar."

female
  ماده   
mâde (#)

Fr.: femelle   

1) Of, relating to, or being the sex that typically has the capacity to bear offsprings or produce eggs. 2) A female person, animal, or plant.

M.E., alteration of femel, femelle, from O.Fr. femelle "woman, female," from M.L. femella "a female," from L. femella "young female, girl," diminutive of femina "woman, a female," → feminine.

Mâdé "female," from Mid.Pers. mâdag, "female," from mâd, → mother.

<< < -es -iv -ti 21- a p abe abs abs acc acc acc act act ada adi ads aes Age Alb Alf ali all alp alt ama amp ana ang ang ann ano ant ant ape apo app app arb are ari art ass ast ast ast Atl ato ato Aug aut awa azi bac bal Bar Bar Bay bea Bep Bet BIC bij bin bio bir bla bla blu blu bol Boo bou Bq bre bri bub B[e cal cal can car car Cas cat cau cel cen Cer cha cha cha che chi CI cir cir cla cle clo clu co- cob coh col col col com com com com com com com com Com con con con con con con con con con con con con coo cor cor cor cos cos cos cou cov cra cri cro cry cum cur cyc d'A dar dat DC dea dec dec dec def def deh Del den dep des det deu dia dif dif dif dim dip Dir dis dis dis dis dis div dom dos dou dri Dum dus dyn dyn ear eas ecl Edd eff Ein eje ele ele ele ele eli emb emi Enc ene ens eph epo equ equ eru eth Eul eve evo exc exc exi exo exp exp ext ext Fab fai Fan fea fem fer fie fil fir fir fla flo flu foc For for fos fra fre fre fro fun g m Gal gal gal gas gau gel gen geo geo geo gho gla gno gra gra gra gra Gre Gre gro gyr had hal har Har HD hea hel hel Her Her Hic hig hip hol hor hos hov Hub hun hyd hyd Hyd hyp IC ide ill ima imp imp inc inc ind ind inf inf inf inf inj ins ins int int int int int int int int inv inv ion iro Isl iso iso Jac jet jud jur kel Kep kil Kle Kui Lag lam Lap Lar lat law lea len lep Lib lig lim lin lin Lio lit loc LOF lon Lor low lum lun Lup Lyo mac mag mag mag mag mag mai man Mar mas mas mat Max mea mec Mei Mer 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 oxi pai pan par par par par pas pea pen per per per per Per pet pha Pho pho pho pho Pic Pis Pla pla pla pla Ple poa pol pol pol pol pop pos pos pow pra pre pre pre pri pri pri pro pro pro pro pro pro pro Pto pul puz qua qua qua qua qui rad rad rad rad rad rad rai ran rar Ray rea Rea rec rec red red ref ref reg rel rel rel rep res res res res ret Rhe rid rig ris Roe Ros rot rub rut Sag sam sat sca sca Sch sci sea sec sec see sel sem sen ser Sgr sha shi sho sid sig sim sin Sir ske sli smo soc sol sol sol sol sol sou sou spa spe spe spe spe sph spi spl spu sta sta sta sta sta ste ste sti sto str Str sub sub sub sul sup sup sup sup sur sus sym syn sys Tam Tay tel ten Ter Tha the the the thi thr tib tid tim tok Tor tot tra tra tra tra Tri tri tro tru tur twi Typ ufo ult unc uni uni uni upl ura uti val var vec vel ver ver vil vir vis voc von wak Was wav wax wea wei whi Wie win WN6 wom X-r yea You zer zod > >>