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: 12955 Search : far
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.

projector
  فراشانگر، فراشاننده   
farâšângar, farâšânandé

Fr.: projecteur   

An apparatus for projecting an image from a film, a slide onto a screen.
A device for projecting a beam of light.

project + → -or.

prolate
  کشیده   
kešidé (#)

Fr.: allongé   

Elongated in the direction of the polar diameter; opposed to → oblate

From L. prolatus, pt.p. of proferre "to bring forward, extend," from → pro- + → oblate.

Kešidé p.p. of Mod./Mid.Pers. kešidan, kašidan "to draw, protract, trail, drag, carry," dialectal Yaqnavi xaš "to draw," Qomi xaš "streak, stria, mark," Lori kerr "line;" Av. karš- "to draw; to plow," karša- "furrow;" Proto-Iranian *kerš-/*xrah- "to draw, plow;" cf. Skt. kars-, kársati "to pull, drag, plow;" Gk. pelo, pelomai "to move, to bustle;" PIE base kwels- "to plow."

prolate spheroid
  کره‌وار ِ کشیده   
korevâr-e kešidé

Fr.: sphéroïde allongé   

An ellipsoid produced by rotating an ellipse through 360° about its major axis. → oblate spheroid.

prolate; → spheroid.

Prometheus
  پرومتیءوس   
Prometeus (#)

Fr.: Prométhée   

The third closest satellite of Saturn, also known as Saturn XVI, orbiting at a distance of 139,350 km. It orbits Saturn in 0.613 days and acts as a shepherd moon to Saturn's F ring beyond it. It is irregularly shaped, 145 x 85 x 62 km. Prometheus was iscovered by S. Collins and others in 1980 from Voyager photos.

In Gk. mythology, Prometheus was a Titan who stole fire from Olympus and gave it to humankind, for which Zeus punished him horribly; son of Iapetus; brother of Atlas and Epimetheus. The name literally means "forethought," from from promethes "thinking before," from → pro- "before" + mathein "to learn," from enlargement of PIE base *men- "to think;" → idea for Pers. cognates.

<< < -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 diu dog Dop dou Dra dua dus dwa dyn e-f Ear ecl eco edu eig Ein ela ele ele ele Ele elo emi emp ene Enl env epi equ equ Eri est Euc eva evo exc exc exh Exo exp exp ext ext f(R fac fam fat fee Fer Fib fig fin fir fix fle flu foc for for for fra fre Fre fri fun fuz Gal gal gal Gam gau Gay gen Geo geo geo geo gim glo gov gra gra gra gra gre gro Gun hab hal han Har haz hea hel hel Hen Her het Hig hil hol Hoo hor hou Hub hum hyd hyd hyd hyp hys ide ign ima imp imp inc inc ind Ind inf inf inf inf inn ins ins int int int int int int int int inv ion ion Irr iso iso iso jan jit Jul jus Kel ker kin kni La lam lan Lap las lat Lay Led Len let lif lig lin lin lin liq Lit loc log lon lou low lum lun Lym M d Mag mag mag mag mag mag maj man mar mas mas mat mea mea mec mem mer Mes met met mho mic Mie Mil min mis MKS MOd mol Mon moo mot mul mul myo nak Nas nat neb neg neu neu New New nit noi non non nor nor nuc nuc nul nut obj obl obs occ oct off oli oni ope opp opt opt orb ord org orp osc out ove oxi pai Pan par par Par par pas Pav Pel per per per per Per per pha phi pho pho pho phy Pip Pla pla PLA pla ple plu pol pol pol pol pop pos pos pot Pra pre pre pre Pri pri pri pro pro pro pro pro pro pro Pto pul pur 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 RHB rid rig ris roc Ros rot rub Rut Sag sam sat sca sca Sch sci Sea sec sec see sel sem sen set Sha sha shi shu sid sil sim sin SIS ski Slo smo Soc sol sol sol sol son sou spa spa spe spe spe sph spi spi Spo 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 tel tem ter tes the the the the Tho thr tid tim Tit top tot tra tra TRA tra tre tri tri tru Tun Tus tym Typ ult unb und uni uni uns upp Urs vac van var Vei Ven ver vic Vir vir vis vol W 4 war wat wav wea wed wet wid win WN2 Wol wri xen yok zen zin > >>