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: 12929 Search : far
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.

feminine
  مادین   
mâdin (#)

Fr.: féminin   

1) Characteristic of or appropriate or unique to women.
2) Of, relating to, or constituting the gender that ordinarily includes most words or grammatical forms referring to females (Merriam-Webster.com).

M.E. feminin, from O.Fr. femenin "feminine, female; with feminine qualities," from L. femininus "feminine," from femina "woman, female," literally "she who suckles," from root of felare "to suck, suckle;" cf. Gk. thele "mother's breast, nipple," thelys "female, fruitful;" Pers. dâyé, dâyah "(wet-nurse);" PIE root *dhe(i)- "to suck, suckle."

Mâdin, from mâdé, → female.

feminism
  زاد-زن-باوری، زادزن‌باوری   
zâd-zan-bâvari (#)

Fr.: féminisme   

1) Belief in the social, political, and economic freedom of women and equality of the sexes. Feminism is closely tied to democracy and → secularism.
2) The movement organized around this belief.

From Fr. féminisme, from féminin "feminine, female," from L. femininus "feminine" (originally in the grammatical sense), from femina "woman, female," literally "she who suckles," cognates fecund "fruitful, fertile," felix "happy," fetus "offspring, pregnancy;" PIE base *dheh(i)- "to suck, suckle;" cf. Gk. thele "mother's breast;" Pers. dâyé "wet nurse."

Zâd-zan-bâvari, from zâdzan "free woman" (on the model of zâdmard "free man, valiant man, generous man," zâdsarv "tall and upright cypress tree"), from zâd, contraction of âzâd, → free, + zan, → woman, + bâvari, → -ism.

femto-
  فمتو-   
femto- (#)

Fr.: femto-   

In the International System of Units, a prefix meaning 10-15.

From Danish and Norwegian femten "fifteen," from O.N. fimmtān (Sw. femton, Du. vüftien, Ger. fünfzehn, E. fifteen, Pers. pânzdah), ultimately from PIE base *penkwe "five" (cf. Mod.Pers. panj, Av. panca, Skt. pánca, Gk. pente, L. quinque) + PIE *dekm "ten" (cf. Mod.Pers. dah, Av. dasa, Skt. dáśa, Arm. tasn, Gk. deka, L. decem, Ger. zehn, E. ten, Fr. dix).

Fermat number
  عدد ِ فرما   
adad-e Fermat

Fr.: nombre de Fermat   

Any number of the form 22n + 1, where n is a connective → integer. If Fermat number is → prime, it is called a → Fermat prime.

Fermat's principle; → number.

<< < -es -iv -ti 217 a- abe abs abs acc acc ach act act ada adi adv aff agg Alc Alf ali all alp alt Ama amp ana ang ang ann ano ant ant ape apo app aps arc arg arm art ass ast ast ast atm ato att aur aut axi B-t bai Bal bar bar Be bee Bes bi- bif bin bin bio bis bla bli blu Boe Bol bor bou bra bri Bro bum CAI cal Can cap car car cat cat CCD Cel cen CGS cha cha che che chr cir cir civ cla clo clo CMB 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 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 dev dia dif dif dif dim dip dir dis dis dis dis dis div dom dou dou dri dup dus dyn dyn ear eas ecl Edd eff Ein Ekm ele ele ele ele ell emb emi enc ene ent eph equ equ equ eru eth eup eve EX exc exe exi exo exp ext ext ext fac fal far fec Fer fer fie fin fir fis fla flo flu fog for for Fou fra fre Fre Fro fus G-t gal gal Gam gas Gau Gem gen geo geo geo gia gla gol gra gra gra gra Gre Gre gui H a haf Hal har har He- hea hel Hel her Her hie hig his hom hor hot Hub Hug hur hyd hyd hyl hyp ice ide ima imp imp imp inc ind ind ine 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 kly L d Lag lam Lap lar lat law Lea len lep lib lig lin lin lin liq lit loc log lon Los low lum lun Lut Lyr mac mag mag mag mag mag maj man Mar mas mas mat mea mec mem mer mes met met met mic mid mil min Mir Miz mod mol mon moo MOS mul mul mut nai nas nat neb neg Neu neu New New Nih noi non non non nor nuc nuc nul nut obj obl obs occ oct off old one ope opp opt opt orb ord org Ori osc oth ove oxi pac Pal par par Par par pas Pau Pel per per per per per per pha phi pho pho pho phy pip Pla pla pla pla pla Plu Poi pol pol pol pop pos pos pot 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 Ras Ray rea rec rec rec red red ref reg reg rel rel rel rep res res res res rev rhe Rie Rig Rit roe Ros rot Ruf Ryd Sag sam sat sca sca Sch Sco sec sec sec seg sel sem sen set sha SHB sho sib sie sil sim sin sit sky slo sno sod sol sol sol sol sor sou Spa spa spe spe spe sph spi Spi spr sta sta sta sta sta ste ste Ste sto str str sub sub sub suf sun sup sup sup sup sur swo syn sys tak Tay Tel ten ter tet the the the thi Tho thu tid tim toa top tot tra tra tra tra tri tri tro Tru tur twi Typ UBV ult unb uni uni uni up ura uti val var vec Vel ver ver vig vir vis VLT vol wad was wav wav wea wei Whe Wie win WN5 Wol X-r yea You zer zod > >>