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: 13176 Search : in
fabulate
  افسانه‌بافتن   
afsâné-bâftan (#)

Fr.: affabuler, inventer   

1) To tell invented stories; create fables or stories filled with fantasy.
2) To relate an event as a fable.

From L. fabulatus perfect passive participle of fabulor, from fabula, → fable.

Afsâne-bâftan "to forge fables, stories," from afsâné, → fable, + bâftan "to weave, twist, plait," → texture.

fabulation
  افسانه‌بافی   
afsâné-bâfi (#)

Fr.: fabulation, affabulation   

1) To tell invented stories; create fables or stories filled with fantasy.
2) To relate an event as a fable.

fabulate; → -tion.

fabulous
  افسانه‌ای، افسانه‌گون   
afsâne-yi, afsânegun

Fr.: fabuleux, extraordinaire, légendaire   

1) Almost impossible to believe; incredible.
2) Exceptionally good or unusual; marvelous; superb.

fable; → -ous.

face
  دیم، رو، رخ، رخسار   
dim, ru, rox, roxsâr

Fr.: face   

1) The front part of the head, from the forehead to the chin.
2) A plane surface of a geometric solid. The front of something having more than two sides. → interface.

M.E., from O.Fr. face, from L. facies "appearance, form; visage, countenance."

Dim "face," from Av. daēman- "eye," from dā(y)- "to see," didāti "sees" (cf. Mod.Pers. didan "to see," Mid.Pers. ditan "to see, regard, catch sight of, contemplate, experience;" O.Pers. dī- "to see;" Skt. dhī- "to perceive, think, ponder; thought, reflection, meditation," dādhye; Gk. dedorka "have seen").
Ru(y), variant rox "face, surface; aspect; appearance" (Mid.Pers. rôy, rôdh "face;" Av. raoδa- "growth," in plural form "appearance," from raod- "to grow, sprout, shoot;" cf. Skt. róha- "rising, height").

face angle
  زاویه‌ی ِ دیمی، دیم-زاویه   
zâviye-ye dimi, dim-zâviyé

Fr.:   

An angle formed by any two adjacent edges of a → polyhedron, in contrast to a → dihedral angle.

face; → angle.

face-on galaxy
  کهکشان ِ رونما   
kahkešân-e runemâ

Fr.: galaxie vue de face   

A → spiral galaxy oriented such that it is viewed from above or below. → edge-on galaxy.

face; → on-; → galaxy.

facilitate
  آسانیدن   
âsânidan

Fr.: faciliter   

To make easier, render less difficult.

From Fr. faciliter "to make easy," from stem of L. facilis "easy to do," from facere "to do," → fact.

Âsânidan "to render easy," from âsân, → easy.

facilitation
  آسانش   
âsâneš

Fr.: facilitation   

The act or process of facilitating.

facilitate; → -tion.

facility
  آساناک   
âsânâk

Fr.: facilité   

1) Ease in moving, acting, or doing.
2) Something that facilitates an action or process.
3) A building, room, array of equipment, or a number of such things, designed to serve a particular function (TheFreeDictionary.com).

facile; → -ity.

Âsânâk, from âsân "easy," + relation suffix -âk, as in xorâk, pušâk, dârâk.

fact
  باشا، بوده   
bâšâ, budé (#)

Fr.: fait   

Something that has actual existence; a piece of information presented as having objective reality. → scientific fact.

L. factum "event, occurrence," literally "something done, deed," from neut. p.p. of facere "to do" (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").

Bâšâ, from bâš + agent suffix; bâš, present stem of budan "to be," from Mid.Pers. budan, from O.Pers./Av. bav- "to be; become, take place;" Av. buta- perf. ptcpl. pass., bavaiti "becomes" (cf. Skt. bhavati "becomes, happens," bhavah "becoming; condition, state;" PIE *bheu- "to be, come into being, become;" Gk. phu- "become," phuein "to bring forth, make grow;" L. fui "I was" (perf. tense of esse), futurus "that is to be, future;" Ger. present first and second person sing. bin, bist; E. to be; Lith. bu'ti "to be;" Rus. byt' "to be"); budé also from budan.

factor
  کروند   
karvand

Fr.: facteur   

1) One that actively contributes to the production of a result.
2) Math.: Any of the numbers or symbols that when multiplied together form a → product.

M.Fr. facteur "agent, representative," from L. factor "doer or maker," from facere "to do" (cf. Fr. faire, Sp. hacer); from PIE base *dhe- "to put, to do;" cf. Skt. dadhati "puts, places;" Av. dadaiti "he puts;" Hitt. dai- "to place;" Gk. tithenai "to put, set, place;" Lith. deti "to put;" Rus. det' "to hide," delat' "to do;" O.H.G. tuon; Ger. tun; O.S., O.E. don "to do."

Karvand, from kar- root of Mod.Pers. verb kardan "to do, to make" (Mid.Pers. kardan; O.Pers./Av. kar- "to do, make, build;" Av. kərənaoiti "he makes;" cf. Skt. kr- "to do, to make," krnoti "he makes, he does," karoti "he makes, he does," karma "act, deed;" PIE base kwer- "to do, to make") + -vand a suffix forming adjectives and agent nouns.

factor tree
  درخت ِ کروند   
deraxt-e karvand

Fr.: arbre des facteurs   

A diagram representing a systematic way of determining all the prime factors of a number.

factor; → tree.

factorial
  ۱) کرونده؛ ۲) کروندی   
1) karvandeh; 2) karvandi

Fr.: factoriel   

1) (n.) The product of all the positive integers from 1 to n, denoted by symbol n!
2) (adj.) of or pertaining to factors or factorials.

factor + -ial, from L. -alis, → -al.

factorize
  کروندیدن، کروند گرفتن   
karvandidan, karvand gereftan

Fr.: factoriser   

The operation of resolving a quantity into factors.

factor + → -ize.

facula
  پریسک   
perisk

Fr.: facule   

A bright area of the → photosphere of the Sun visible in white light and best seen near the solar limb, although they occur all across the Sun. Faculae raise several hundred kilometers above the photosphere and are associated with → sunspots. They often appear immediately before the formation of a sunspot group and remain visible for several days or weeks after the disappearance of the spots. Faculae are formed when a strong magnetic field heats a region of the photosphere to higher temperatures than the surrounding area.

Facula, from L. fac-, fax "torch" + -ula, → -ule.

Perisk, periska, biriske in Lori, Laki, and Kurd. dialects "spark" (Lârestâni pelita), probably related to Lori porpor "blazing charcoal," Gilaki bur, biur "smokeless red fire;" cf. Tokharian por, puwar "fire;" Gk. pyr "fire;" Hitt. pahhur "fire;" Skt. pū- "to cleanse;" E. fire; O..E. fyr, from P.Gmc. *fuir (cf. O.N. fürr, M.Du. vuur, Ger. Feuer); PIE base *paewr- "fire."

Fahrenheit scale
  مرپل ِ فارنهایت   
marpel-e Fahrenhait

Fr.: échelle de Fahrenheit   

A temperature scale (°F) in which the → freezing point of → water is 32 degrees and the → boiling point is 212 degrees; the points are placed 180 degrees apart. It converts to the → Celsius scale by the formula: C = (5/9)(F - 32). See also → Kelvin scale, → Rankine scale, → Reaumur scale.

Developed by the German physicist Gabriel Fahrenheit (1686-1736); → scale.

fail
  غاویدن   
qâvidan

Fr.: échouer, faillir   

1) To be unsuccessful in achieving something expected, attempted, or desired.
2) To neglect to do something.
3) To be e unsuccessful in an examination.

M.E. failen, from O.Fr. falir "be lacking, miss, not succeed; come to an end; make a mistake; be dying," from Vulgar L. *fallire, from L. fallere "to trip, cause to fall;" figuratively "to deceive, trick, dupe, cheat; fail, be lacking or defective."

Qâvidan, from Choresmian γaw "to fail, to commit a fault;" cf. Av. gau- "to commit a sin;" Parthian (+*fra-) pargaw- "to owe, to lack;" Ossetian qaewyn/qyd "to be in need of something, to lack;" Proto-Ir. *gaHu- "to be faulty, wanting; to need;" PIE *gheHu- "to be faulty, lacking, insufficient;" cf. Old L. hauelod "insufficient, false," L. hau(d) "not;" O.Irish gáu, gó; Welsh gau "lie" (Cheung 2007).

failure
  غاوش   
qâveš

Fr.: échec, défaillance   

1) An act or instance of failing; lack of success.
2) A state of inability to perform a normal function.

Verbal noun from → fail.

faint
  ۱) تام، نزار، کمتاب، کمنور؛ ۲) تامیدن   
1) tâm, nazâr, kamtâb, kamnur; 2) tâmidan

Fr.: 1) faible; 2) s'evanouir   

1) Lacking brightness, vividness, clearness, loudness, strength; feeble; exhausted.
2) To lose consciousness temporarily; to lose brightness (Dictionary.com).

From O.Fr. faint, feint "false, deceitful; sham, artificial; weak, faint, lazy," p.p. of feindre "hesitate, falter, show weakness," from L. fingere "to touch, handle; change."

Tâm, from Pers. tâm "feeble, fragile, weak," ultimately from Proto-Ir. *tamH- "to faint, be tired;" cf. Khotanese ttāmā "fatigue;" Parthian t'm'dg "fainted, choking;" Gilak (Langarudi) tâmâ, tâm "silent;" PIE base *temH- "to faint, to be dark;" tâmidan, infinitive from tâm.
Nazâr, from Mid.Pers. nizâr "weak, feeble" (variant zâr), zarmân "old man, deterioration;" Av. zairina- "exhausting, slackening," zaurura- "weak through old age, decrepit;" cf. Skt. jára- "wearing out, exhaustion," jaranā- "old, decayed," jarimán- "weakness through old age," Gk. geron "old man," L. granum "grain;" PIE base *ger- "wear away."
Kamtâb, from kam "little, few; deficient, wanting; scarce," from Mid.Pers. kam "little, small, few," O.Pers./Av. kamna- "small, few" + tâb "light; heat, warmth; illuminating," from tâbidan, tâftan "to shine," tafsidan "to become hot;" Av. tāp-, taf- "to warm up, heat," tafsat "became hot," tāpaiieiti "to create warmth;" cf. Skt. tap- "to spoil, injure, damage; to suffer; to heat, be/become hot," tapati "burns;" L. tepere "to be warm," tepidus "warm;" PIE base *tep- "warm."
Kamnur, from kam, as above, + nur, → light.

faint early Sun paradox
  پارادخش ِ خورشید ِ تام ِ آغازین، ~ ~ کمتاب ِ ~   
pârâdaxš-e xoršid-e tâm-e âqâzin, ~ ~ kamtâb-e ~

Fr.: paradoxe du Soleil jeune faible   

The contradiction between a colder Sun (about 30% less luminous) some 4 billion years ago, as predicted by models, and the warm ancient Terrestrial and Martian climates derived from geological evidence.

faint; → early; → sun; → paradox.

<< < -es -it -sc 201 951 abe abs abs aca acc acc aco act ada adh ado aer aft air Alf alg alk alp Alt alt amb ana And ang ani ann ant ant ant apo app app Apu arc arg Arn art ass ast ast ast atm ato att aur aut avo azi bac bal bar bar bat Bea Bel bet bia big bin bio Bir bla bla blo Blu bol Boo bou box bre Bri bro bur cal cal Can cap car Car cat cau cel cen cen cha Cha cha che Chi 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 con coo cor cor cor Cos cos cos cou cou cra cri cro cry cul cur cyc D l dar dat day dea dec dec dec def def deg Del Den dep der det deu dew dic dif dif dil dip dir dis dis dis dis dis diu dog Dop dou Dra Dsc dus dwa dyn Dys Ear ecc eco edg egg Ein Ela ele ele ele ele ell eme emp enc eng ent epi equ equ equ eru eth Eur eve exa exc exe exi exo exp ext ext ext fab fai Fan fea fem fer fie fil fir fir fla fli flu foc for for for fra fre fre fri fun fuz gal gal gal Gam gau Gau gen geo geo geo geo Gib glo gov gra gra gra gra gre gro Gui H-a hal Ham har Hay hea hei hel Hel her het hie hig hoa hom hor hot Hub Hug hur hyd hyd hyl hyp ice ide ima ima imp imp inc inc ind ine inf inf inf ing inn ins ins int int int int int int int int inv inv ion iro Isl iso iso Jab jet Jov Jup Kar Kep kil Kip Kra Lag Lam Lan Lar las law lea Leg Leo lev lig lim lin lin lin lit loc loc log Lor low lum lun lun Lym Mac mag mag mag mag mag mai Mal map mas mas mat Mau mea mea med Men mer Mes Met met mic mic Mie mil min Mir mix mod mol mom Moo mor mov mul mur n-b nan nat nea neg Ner neu new New NGC noc nom non non nor nor nuc nuc nul nut obj obl obs occ oct off old one ope opp opt opt orb ord org Ori osc oth ove Owl P-s Pal par par par par Pas pat pec pen per per per per per Pha pha pho pho pho phy pie pix Pla pla pla pla Pli Poi pol pol pol pol por pos pos pow pre pre pre pre pri pri pri pro pro pro pro pro pro pro pub pul pyc 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 ren res res res res ret rev Ric rig rin roc roo rot rot rur S5- Sal sat sca sca Sch sci Scu sec sec sed sel sel sem seq set sha she sho sid sie sil sim sin sit sky slo sno sod sol sol sol sol son sou spa spa spe spe spe spe sph spi spo squ sta sta sta sta ste ste ste Sti sto str str sub sub sub sul sup sup sup sup sur sur syl syn sys tal Tay tel ten ter tex the the the the Tho thr tid tim Tit too Tor tra tra Tra tra Tra tri Tri tru tub tur two Typ ult ult unc uni uni uni upl ura uti val var vec vel ver Ver vie vir vis vis vol W-R war wav wav wea Wei wha wid win WN3 Wol wri xen yok zen zij > >>