An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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<< < -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 > >>

Number of Results: 12948 Search : far
derive
  واخنیدن   
vâxanidan

Fr.: dériver de, tirer de   

1) General: To conduct, draw, obtain from a source or origin; to trace to an origin.
2) Chemistry: To produce or obtain (a → substance) from another.
3) Math.: Verbal form of → derivation.

From O.Fr. dériver, from L. derivare "to draw off (a stream of water), from its source," from de- "from" + riv(us) "a stream" + -are infinitive suffix.

Vâxanidan, from vâ- prefix which indicates "returning to, reference," → de-, + xan "source," variant xân (Gilaki xoni, Tabari xoni, Laki kyani, Tâleši xâni, xoni, Mid.Pers. xân, xânig "source, spring," Av. xā-, xan- "source, fountain, spring," xayana- "belonging to a spring," cf. Khotanese khâhâ- "spring, fountain," Skt. khâ'- "spring, source") + -idan infinitive suffix.

derived
  واخنیده   
vâxanidé

Fr.: dérivé   

Determined by mathematical computation; formed or developed from something else; not original.

P.p. of → derive.

Descartes
  دکارت   
Descartes

Fr.: Descartes   

René Descartes (1596-1650), French mathematician, physicist, and philosopher, who made valuable contributions to mathematics, physics, and philosophy. Descartes was a pioneer and major figure in 17th century rationalism. He represents a major break with the Aristotelianism and Scholasticism of the Medieval period. René Descartes is regarded as the father of modern philosophy. → Descartes ray, → Cartesian coordinates, → Cartesian vortex theory.

Descartes ray
  پرتو ِ دکارت   
partow-e Descartes

Fr.: rayon de Descartes   

Same as → rainbow ray.

Descartes; → ray.

Descartes' formula
  دیسول ِ دکارت   
disul-e Descartes

Fr.: formule de Descartes   

A formula that gives the position of an image formed by highly → paraxial rays from a → spherical mirror. It is quite accurately given by: 1/xo + 1/xi = 2/xC, where xo is the distance along the → principal axis from the mirror to the object, xi is the distance from mirror to image, and xC is the distance from the mirror to its center of curvature. Any distance measured on the same side of the mirror as the reflecting surface is positive; on the other side, negative. Thus for a → concave mirror  xC is positive; for a → convex mirror, negative.

Descartes; → formula.

descend
  فرودیدن   
forudidan

Fr.: descendre   

1) To go or pass from a higher to a lower place.
2) To be passed on by parents or ancestors; be inherited

M.E. descenden, "move or pass from a higher to a lower place," from O.Fr. descendre "descend, dismount; fall into; originate in," from Latin descendere "come down, descend, sink," from → de- "down" + scandere "to climb," from PIE root *skand- "to spring, leap, climb."

descendant
  فرودان   
forudân

Fr.: descendant   

1) A person, animal, or plant that is descended from a specific individual, race, species, etc.
2) Something deriving in appearance, function, or general character from an earlier form.

descend.

descending node
  گره ِ فرودشی   
gereh-e forudeši

Fr.: nœud descendant   

The point in an → orbit where the orbiting body crosses a reference plane, such as the → ecliptic or the → celestial equator, going from north to south. → ascending node.

descend; → -ing; → node.

describe
  واوشتن، واویسیدن   
vâveštan, vâvisidan

Fr.: décrire   

1) General: To tell or represent in written or spoken words; give an account of.
2) Geometry: To draw or trace the outline of.

M.E. describen, from L. describere, from → de- + scribere "to write," from PIE *skreibh- (cf. Gk. skariphasthai "to scratch an outline, sketch;" Lett. skripat "scratch, write;" O.N. hrifa "scratch"); PIE base *sker- "cut, incise."

Vâveštan, vâvisidan (on the model of neveštan, nevisidan "to write"), from vâ-, → de-, + vešt-, vis- (see below) + -idan infinitive suffix. Vešt-, vis-, from Mid.Pers. bišt-, bis- (nibištan, nibes- "to write"), from O.Pers. pais- "to adorn, cut, engrave;" Av. paēs- "to paint, adorn," paēsa- "adornment;" Mid.Pers. pēsīdan "to adorn;" cf. Skt. piśáti "adorns; cuts;" Gk. poikilos "multicolored;" L. pingit "embroiders, paints;" O.C.S. pisati "to write;" O.H.G. fēh "multicolored;" Lith. piēšti "to draw, adorn;" PIE base *peik- "colored, speckled."

description
  واوشت، واویس   
vâvešt, vâvis

Fr.: description   

1) The act or method of describing.
2) Geometry: The act or process of describing a figure.

Verbal noun of → describe.

descriptive
  واوشتی، واویسنده   
vâvešti, vâvisandé

Fr.: descriptif   

Serving to describe; containing description.

describe; → -ive.

desert
  کویر   
kavir (#)

Fr.: désert   

1) An arid land where average annual precipitation is so low (usually taken as below 250 mm mean annual rainfall) that it will not adequately support vegetation, and where the potential rate of evaporation far exceeds precipitation.
2) Any place lacking in something; → brown dwarf desert.

From M.E., from O.Fr. desert, from L.L. desertum, literally "thing abandoned," from deserere "to abandon."

Kavir "salt and sour ground, where nothing grows; wilderness," of unknown origin.

design
  ۱) برسه؛ ۲) برسیدن   
1) barsé; 2) barsidan

Fr.: 1) dessin, plan, projet, conception; 2) dessiner, tracer le plan   

1a) An outline, sketch, or plan, as of the form and structure of a work of art, an edifice, or a machine to be executed or constructed.
1b) Organization or structure of formal elements in a work of art; composition.
2a) To prepare the preliminary sketch or the plans for (a work to be executed), especially to plan the form and structure of.
2b) To plan and fashion artistically or skillfully.
2c) To intend for a definite purpose (Dictionary.com).

M.E. designen, from M.Fr. desseign "purpose, project, design," from It. disegno, from disegnare "to mark out," from L. designare "mark out, devise, designate, appoint," from → de- "out" + signare "to mark," from signum "a mark, → sign."

Barsé, related to (Delijâni) barsi "to throw," variants baysi, vaesi, deresi; (Xonji, Gerâši) bar-, barressa "to fall down;" ultimately from Proto-Ir. *garH- "to throw;" cf. (+*ni-) Av. niγr- "to throw down;" Khotanese bīr- "to throw, sow;" Pers. garzin "a pointed arrow;" Pashto qoer "jump, leap," aqar "fitting an arrow to the bow-string ready to shoot;" cf. Skt. gar- "to raise a weapon;" Gk. ballein "to throw," → problem, blema "projectile;" PIE root *gwelH- "to throw" (Cheung 2007). Barsé is coined on the model of Ger. Entwurf "design; project" and entwerfen "to design," from werfen "to throw;" Pers. dar-andâxtan "to propound, to pose" (Hâfez: falak râ saxt beškâfim o tarhi now dar-andâzim); also Ar. tarh (طرح) "to throw."

designation
  نامگزینی   
nâmgozini (#)

Fr.: designation   

A distinctive name or title; appellation. → Bayer designation; → Flamsteed designation; → variable star designation.

From L. designatus, p.p. of designare "to mark out, choose, appoint," from → de- "out" + signare "to mark," from signum, → sign.

Nâmgozini, from nâm, → name, + gozini "choosing," from gozidan "to chose," → select.

designer
  برسه‌گر   
barsegar

Fr.: dessinateur, créateur, designer   

A person who devises or executes designs, especially one who creates forms, structures, and patterns, as for works of art or machines (Dictionary.com).

design; → -er.

desorb
  واشمیدن   
vâšamidan

Fr.: désorber   

Verbal form of → desorption.

Desorb, from → de- + -sorb, modeled on → absorb.

vâšamidan, from vâ-, → de-, + šamidan, modeled on baršamidan, → absorb.

desorption
  واشم   
vâšam

Fr.: désorption   

A physical or chemical process by which a substance that has been sorbed (adsorbed or absorbed) by a liquid or solid material is removed from the material. Reverse of → sorption. → absorption; → adsorption.

Verbal noun of → desorb.

despite
  پادکام   
pâdkâm

Fr.: malgré, en dépit de   

In spite of; notwithstanding.

M.E. despit, from O.Fr. despit, from L. despectus "a looking down on, scorn, contempt," from p.p. of despicere "to look down on, scorn," from → de- "down" + spicere/specere "to look at," → scope; the preposition is contraction of in despite of, a loan-translation of O.Fr. en despit de "in contempt of."

Pâdkâm, literally "against (one's) will or desire," from pâd- "against, contrary," → anti-, + kâm "desire, wish;" Mid.Pers. kâm "desire, wish;" cf. Skt. kāma- "desire, wish."

destructive interference
  اندرزنش ِ ویرانگر   
andarzaneš-e virângar

Fr.: interférence destructive   

An → interference process in which the → amplitude of the the amplitude of the resultant wave is less than that of either individual waves. See also → constructive interference.

Destructive, from O.Fr. destructif, from L.L. destructivus, from destruct-, p.p. stem of destruere, from → de- + struere "to build," → structure; → interference.

Andarzaneš, → interference; virângar "destructive," from virân, "destroyed, ruined."

detached system
  راژمان ِ جدا   
râžmân-e jodâ

Fr.: système détaché   

A binary system whose components are not in contact and in which no significant mass exchange is occurring.

P.p. of detach, from O.Fr. destachier (Fr. détacher), from des- "apart," + -tachier (as in atachier "to attach"); → system.

Râžmânsystem; jodâ "separate, distinct," Mid.Pers. jutâk (yutâk), jut (yut).

<< < -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 > >>