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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Number of Results: 13048 Search : far
professional astronomer
  اخترشناس ِ پیشه‌کار   
axtaršenâs-e pišekâr (#)

Fr.: astronome professionnel   

A person who practices astronomy as a profession rather than as a hobby, in contrast to an → amateur astronomer.

professional; → astronomer.

professor
  استاد   
ostâd (#)

Fr.: professeur   

1) A teacher of the highest academic rank in a college or university.
2) An instructor in some art or skilled sport, such as a professor of singing.

M.E. from L. professor "one who has taken the vows of a religious order," agent noun from profitieri "declare openly," from → pro- "forth" + fateri "to acknowledge, confess."

Ostâd "professor; master; artisan," from Mid.Pers. ôstât, from Av. *aibi-stāta-, *auui-stāta- literally "standing on," i.e. "appointed; agent; head," from aibi-/auui- "upon, toward, against" (O.Pers. abiy-; cf. Skt. abhi-; Gk. amphi-) + stā- "to stand" (→ opposition).

profile
  فراپال   
farâpâl

Fr.: profil   

A graph or drawing that shows the variation of one property (such as intensity), usually as ordinate, with respect to another property (such as wavelength). → line profile.

From It. profilo "a drawing in outline," from profilare "to draw in outline," from → pro- "forth" + filare "draw out, spin," from L.L. filare "to spin, draw out a line," from filum "thread," cognate with Pers. zeh "cord, string," → filament.

Farâpâl, from farâ-, → pro-, + pâl "thread, string," probably cognate with L. filum, as above.

profile fitting method
  روش ِ سزکرد ِ فراپال   
raveš-e sazkard-e farâpâl

Fr.: méthode de l'ajustement de profils   

A method of analysis in which the observed stellar image profiles or spectral line profiles are fitted by model profiles in order to study and derive some properties of the object.

profile; → fitting; → method.

progenitor
  زادار   
zâdâr

Fr.: progéniteur   

The originator of a line of descent; a precursor.

M.E., from O.Fr. progeniteur, from L. progenitorem "ancestor," agent noun from progenitus, p.p. of progignere "beget," from → pro- "forth" + gignere "to produce, beget," cognate with Pers. zâdan, as below.

Agent noun from zâdan "to bring forth, give birth" (Mid.Pers. zâtan; Av. zan- "to bear, give birth to a child, be born," infinitive zazāite, zāta- "born;" cf. Skt. janati "begets, bears," janitár "progenitor, father;" Gk. genetor "progenitor;" L. gignere "to beget," nasci "to be born," as above, PIE base *gen- "to give birth, beget").

progenitor galaxy
  کهکشان ِ زادار   
kahkešân-e zâdâr

Fr.: galaxie mère   

A galaxy which is supposed to be at the origin of a specific event, for example a hypothetical galaxy in which globular clusters might have formed.

progenitor; → galaxy.

progenitor star
  ستاره‌ی ِ زادار   
setâre-ye zâdâr

Fr.: étoile mère   

A star which is supposed to be at the origin of phenomenon, for example a progenitor neutron star which has given rise to a black hole.

progenitor; → star.

prograde motion
  جنبش ِ فرارو   
jonbeš-e farârow

Fr.: mouvement prograde   

A rotational or orbital movement that is the same as most bodies within a celestial system. In the solar system, the apparent eastward motion of a celestial body on the celestial sphere. Opposed to → retrograde motion. Same as → direct motion.

From → pro- "forward" + grade, from L. gradi "to go, step, walk;" → motion.

Jonbeš, → motion; farârow, from farâ- "forward," → pro-, + row present stem of raftan "to go, walk;" Mid.Pers. raftan, raw-, Proto-Iranian *rab/f- "to go; to attack."

prograde orbit
  مدار ِ فرارو   
madâr-e farârow

Fr.: orbite prograde   

Same as →prograde motion.

prograde motion; → orbit.

program
  برنامه   
barnâmé (#)

Fr.: programme   

A plan or schedule of activities, procedures, etc., to be followed.
Computers: A precise sequence of instructions in a programming language that tells a computer to perform a task.

From L.L. programma "proclamation, edict," from Gk. programma "a written public notice," from the stem of prographein "to write publicly," from → pro- "forth" + graphein "to write."

Barnâmé, originally "model, examplar; acount-book," from bar- "on; up; upon; in; into; at; forth; with; near; before; according to" (Mid.Pers. abar; O.Pers. upariy "above; over, upon, according to;" Av. upairi "above, over," upairi.zəma- "located above the earth;" cf. Gk. hyper- "over, above;" L. super-; O.H.G. ubir "over;" PIE base *uper "over") + nâmé "letter; book" (Mid.Pers. nâmak "inscription; letter; book," related to nâm "name;" Mid.Pers. nâm; O.Pers./Av. nâman-; cf. Skt. nama-; Gk. onoma, onuma; L. nomen; PIE *nomen-).

program stars
  ستارگان ِ برنامه   
setâregân-e barnâmé

Fr.: étoiles du programme   

Stars for the observation of which telescope time has been awarded.

program; → star.

programmer
  برنامه‌ساز   
barnâme sâz (#)

Fr.: programmeur   

A computer expert who carries out → programming.

Agent noun of the verb → program.

programming
  برنامه‌سازی   
barnâme-sâzi (#)

Fr.: programmation   

The process of writing, testing, debugging/troubleshooting, and maintaining the source code of computer programs.

Verbal noun of → program.

Barnâme-sâzi, from barnâmé, → program, + sâzi verbal noun of sâxtan, sâzidan "to build, make, fashion; to adapt, adjust, be fit" (from Mid.Pers. sâxtan, sâz-, Manichean Parthian s'c'dn "to prepare, to form;" Av. sak- "to understand, to mark," sācaya- (causative) "to teach").

progression
  فرایازی   
farâyâzi (#)

Fr.: progression   

Math.: A succession of numbers or quantities in which there is a constant relation between each member and the one succeeding it. See also → arithmetic progression, → geometric progression, → harmonic progression.

From O.Fr. progression, from L. progressionem "a going forward," from progressus, p.p. of progredi "go forward," from → pro- "forward" + gradi "to step, walk," from gradus "step."

Farâyâzi, from farâ-, → pro-, + yâzi, verbal noun of yâzidan "to stretch out the arms; grow up;" Parthian Mid.Pers. y'd "to reach a goal, come to, stretch out;" Av. yat- to reach, take one's place," yaiiata "places,' frā-iiatāt "has reached;" cf. Skt. yat- "to be in place, put in place, line up;" PIE base *iet- "to be in place."

project
  ۱) فراشان؛ ۲) فراشاندن   
1) farâšân; 2) farâšândan

Fr.: 1) projet; 2) projeter   

1) (n.) A specific task or planned program of investigation, especially in scholarship.
2a) (v.) To propose, contemplate, or plan.
2b) To throw or cause to fall upon a surface or into space, as a ray of light or a shadow.
2c) To cause (a figure or image) to appear, as on a background.
2d) Geometry: To transform the points of one figure into those of another by a correspondence between points.

1) From L. projectum "something thrown forth," noun use of neuter of projectus, p.p. of projicere "to stretch out, throw forth," from → pro- "forward" + combining form of jacere (p.p. jactus) "to throw."
2) From L. projectus, as above.

Farâšândan, from farâ- "forward," → pro- + šândan, from ešândan "to eject," from Hamadâni ešândan "to throw out," Laki owštan "to throw, to shoot (with bow and arrow);" Lori šane "throwing," šane kerde "to throw;" Av. ah- "to throw," present ahya- "throws," asta- "thrown, shot," astar- "thrower, shooter;" cf. Khotanese ah- "to throw, shoot," Skt. as- "to throw, shoot," ásyati "throws," ásana- "throw, shot," asanā- "missile."

project director
  راشتار ِ فراشان   
râštâr-e farâšân

Fr.: directeur de recherche   

A person who directs a project.

project; → director.

project manager
  گنارگر ِ فراشان   
gonârgar-e farâšân

Fr.: chef de projet   

A person who is responsible for directing and controlling the work and staff of a project.

project; → manager.

projected rotational velocity
  تندای چرخشی ِ فراشانده   
tondâ-ye carxeši-ye farâšândé

Fr.: vitesse rotationnelle projetée   

The → angular velocity of a star deduced from the → rotational broadening of its → spectral lines. It is expressed as v sini, where i is the → inclination of the rotational axis with respect to the normal to the → plane of the sky. The real equatorial rotational velocity can be determined only if the inclination of the rotational axis is known.

Projected, p.p. of → project; → rotational; → velocity.

projectile
  پرتابه   
partâbé (#)

Fr.: projectile   

A body projected or impelled forward, as through the air.

From Mod.L. projectilis, from L. projectus, p.p. of proicere; → project.

Partâbé, from partâb "a throw, an arrow that flies far," partâbidan "to throw," from Proto-Iranian *para-tau-, from *para- "forward," → pro- + *tau- "to throw, spread, sow;" cf. Tabari tâb "throwing," tâb dəən "to throw;" Chorasmian mftw- "to perish, be destroyed, disturbed;" Ossetic aeftawyn "to throw on; to increase; to pull out."

projection
  فراشانش   
farâšâneš

Fr.: projection   

1) The act, process, or result of projecting.
2) The act of reproducing on a surface, by optical means, a remote image on a film, slide, etc.

Verbal noun of → project.

<< < -es -iv -ti 21 a p abe abs abs aca acc acc acr act ada adh Adr aer AGB air Alf Alg all alp alt AM amo ana And ang ani ano Ant Ant apa apo app app Ara Arc ari Arr ash ass ast ast asy atm ato att aut ave axi Bab bal Bal bar bar bea Bek Bes bia Big bin bin bip biv bla bli blu Boh Bol Bos bou bra bri bro buo cal cal can cap car Car cat cat CCD Cen cen CH cha cha che Che chr cir cir cit 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 con Cop Cor cor cor cos cos cou cou Cow cre cri cro cry cur cya Cyg dan dar dat de- deb dec dec ded def deg del dem den dep des det dev dia dif dif dih dio Dir dis dis dis dis dis dis DO don dou dow dro dur dwa dyn Dys ear ebb ecl edg egg Ein Ela ele ele ele ele ell eme emp enc eng ent epi equ equ equ esc eth Eur Eve exa exc exe exi exp exp ext ext ext fac fal far fed Fer fer fie fin fir fis fla flo flu fol for for fou fra fre Fre fro fut G-t gal gal gam gas Gau Gem gen geo geo geo gia Gli Gol gra gra gra gra gre gri gui H I Hag hal har hat He- hea hel Hel her Hes hie hig his hom hor hot Hub Hug hur hyd hyd hyg 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 Io ion iro isl iso iso Jac jet jud jur Kel Kep kil Klo 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 Meg Mer Mer met met Met mic Mid Mil min Mir mit mod mod mol mon Mor mou mul mul mys nan Nat nau nec neo neu nev New NGC no nom non non nor not nuc nuc num nut obj obs obs occ ocu oft ome Oor ope opp opt opt orb ord ori ort osc out ove oxi pai pan par par par par pas pea pen per per per per Per per pha phi pho pho pho phy pio Pla pla pla pla Pla plu Poi pol pol pol poo pos pos pot pra pre pre pre pre pri pri pro pro pro pro pro Pro pro pse pul pur qua qua qua qua que rac rad rad rad rad rad rad 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 Rus Sac sal sat sca sca Sch sci Scu sec sec Sed sel Sel sen ser Sex Sha she sho sid sig sil sim sin siz sla Sma sno sof sol sol sol sol sou sou spa spa spe spe spe sph spi spi spr squ sta sta sta sta ste ste ste Sto Str str str sub sub suc sun sup sup sup sup sur swa syn syn tab tar tek tem ter tes the the the the Tho thr tid tim Tis Too Tor tra tra Tra tra tra tri tri tru Tul tur two Typ ult un- und uni uni unk upp Urc utt val var vec vel ver vib vio vir vis voi vor wan wat wav wax wea Wei whi Wil win WN9 wor X-r yel you zer zod > >>