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
compel
  واداریدن، وادارکردن   
vâdâridan, vâdâr kardan

Fr.: obliger, contraindre, forcer   

To force or oblige (someone) to do something.

M.E. compellen, from O.Fr. compellir and directly from L. compellere "to drive together, drive to one place" (of cattle), "to force or compel" (of persons), from → com- "together" + pellere "to drive."

Vadâridan, vâdâr kardan, from vâdâr present stem of vâdâštan "to keep back, restrain, oblige; to provoke, impel, instigate; to hide, conceal," from vâ-, → de-, + dâr-, dâštan "to hold, have, possess," → possession.

compelling
  وادارگر   
vâdârgar

Fr.: 1) puissant, percutant; 2) irréfutable, convaincant   

1) Tending to compel, as to force or push toward a course of action; overpowering.
2) Having a powerful and irresistible effect; requiring acute admiration, attention, or respect (Dictionary.com).

compel; → -ing.

compensate
  پاهنگیدن   
pâhangidan

Fr.: compenser   

To reduce or balance the effect of something unwanted by exerting an opposite force or effect.

From L. compensatus, p.p. of compensare "to weigh one thing (against another)," thus, "to counterbalance," from → com- "with"+ pensare, frequentative of pendere "to weigh, to hang."

Pâhangidan, from pâhang (Dehxodâ) "that which is put in a balance scale to equalize the weights," from pâ- variant of pâd-, → counter-, + hangidan variant of sanjidan "to measure; compare, put in balance," → object.

compensator
  پاهنگنده   
pâhangandé

Fr.: compensateur   

One who, or that which, compensates.

compensate; → -or.

compensator plate
  تیغه‌ی ِ پاهنگنده   
tiqe-ye pâhangandé

Fr.: compensatrice   

A transparent plate inserted in one of the arms of an interferometer, in particular the → Michelson interferometer, to compensate for a longer → optical path in the other arm. Its function is to ensure that the beams transverse the same total thickness of glass in both arms of the interferometer. This is not essential for producing → interference fringes in monochromatic light. The compensator plate is of the same glass and the same thickness as the → beam splitter plate.

compensator; → plate.

compete
  هاجوییدن   
hâjuyidan

Fr.: concourir, rivaliser   

To strive to outdo another for acknowledgment, a prize, supremacy, profit, etc.; engage in a contest (Dictionary.com).

M.E., from M.Fr. compéter, from L.L. competere "to strive in common," from → com- "together" + petere "to strive, go forward, seek," from PIE base *pet- "to fly, rush" (cf. Av. pat- "to fly, fall, rush," patarəta- "winged;" Mid.Pers. patet "falls," opastan "to fall;" Mod.Pers. oftâdan "to fall;" Skt. patati "he flies, falls," pátra- "wing, feather, leaf;" Gk. piptein "to fall," pterux "wing;" O.E. feðer "feather;" L. penna "feather, wing").

Hâjuyidan, from hâ-, variant of ham-, → com-, + juyidan "to strive for, seek," Parthian Mid.Pers. ywdy- "to strive for," Khotanese juv- "to fight," Av. yūd- (yaoda-) "to fight, struggle," yūdiieiti "fights," cf. Skt. yodh- "to fight," yúdh- "fight," Gk. hysmine "battle, fight," Lith. judus "belligerent."

competition
  هاجویش   
hâjuyeš

Fr.: compétition   

1) The act of competing; rivalry for supremacy, a prize, etc. 2) A contest for some prize, honor, or advantage (Dictionary.com).

Verbal noun of → compete + → -tion.

competitive
  هاجویشی، هاجویانه   
hâjuyeši, hâjuyâné

Fr.: compétitif   

1) Of, pertaining to, involving, or decided by competition.
2) Well suited for competition; having a feature that makes for successful competition.
3) Having a strong desire to compete or to succeed (Dictionary.com).

compete + → -ive.

competitive accretion model
  مدل ِ فربال ِ هاجویشی   
model-e farbâl-e hâjuyeši

Fr.: modèle d'accrétion compétitive   

A scenario for → massive star formation whereby developing → protostars in their natal → molecular clouds compete with each other to gather mass. The protostars → accrete mass with a rate which depends on their location within the protocluster. They use the same reservoir of gas to grow. Therefore those protostars nearest the center, where the potential well is deep, and gas densities are higher, have the highest → accretion rates. The competitive accretion model explains the observational fact that the most massive stars are generally found in cluster cores. It accounts also for the distribution of stellar masses. In this model the accretion process depends on the content of the cluster. In clusters where gas dominates the potential (e.g. at initial stages of cluster formation), the accretion process is better modeled by using the → tidal radius as the accretion radius. In contrast, when the stars dominate the cluster potential and are virialized, the accretion is better modeled by → Bondi-Hoyle accretion (Bonnell et al. 1997, MNRAS 285, 201; 2001, MNRAS 323, 785).

competitive; → accretion; → model.

competitiveness
  هاجویندگی   
hâjuyandegi

Fr.: compétivité   

The state of being competitive.

competitive; → -ness.

competitor
  هاجو   
hâju

Fr.: compétiteur   

A person, team, company, etc., that competes; rival (Dictionary.com).

compete + → -or.

compilation
  هاتلش   
hâtaleš

Fr.: compilation   

The act of compiling; something compiled.

compile; → -tion.

compile
  هاتلیدن   
hâtalidan

Fr.: compiler   

1) To put together (documents, selections, or other materials) in one book or work.
2) Computers: To translate (a computer program) from a high-level language into another language, usually machine language, using a → compiler (Dictionary.com).

M.E., from O.Fr. compiler "compile, collect," from L. compilare "to plunder, rob," probably originally "bundle together, heap up;" from → com- "together" + pilare "to fix firmly, accumulate."

Hâtalidan, from hâ- variant of ham-, → com-, + tal, → pile, + -idan suffix of infinitives.

compiler
  هاتلگر   
hâtalgar

Fr.: compilateur   

A → software program that compiles program source code files into an executable program.

compile + → -er

complain
  گرزیدن   
garzidan

Fr.: se plaindre   

To express dissatisfaction, pain, uneasiness, censure, resentment, or grief; find fault (Dictionary.com).

M.E. compleinen, from O.Fr. complaindre "to lament" from V.L. *complangere, originally "to beat the breast," from L. → com- an intensive prefix + plangere "to strike, beat the breast."

Mid.Pers. garz- "to weep, lament," garzišn "complaint;" Mod.Pers. geristan, geryidan "to weep," gelé "gripe, complaint, lamentation;" Kurd (Kurm.) girižin/giriž- "to be grumpy, growl;" Av. gərəz- "to lament, weep;" cf. Skt. grah "to complain;" Proto-Ir. *garz- "to lament, weep."

complaint
  گرزش   
garzeš

Fr.: plaint   

An expression of discontent, regret, pain, censure, resentment, or grief; lament; faultfinding (Dictionary.com).

M.E. compleynte, from O.Fr. complainte "complaint, lament," noun from complaindre "to lament," → complain.

Verbal noun of garzidan, → complain.

complement
  اسپران   
osporân

Fr.: complément   

1) Math., logic: With reference to any set A, conceived as a subset of some larger set U, all the elements of U that are not contained in A.
2) Optics: A complementary color that, when combined to another, creates neutral gray.

From O.Fr. complement, from L. complementum "that which fills up or completes," from complere "fill up," → complete.

Osporân, from ospor present tense stem of osporidan "to → complete."

complementarity
  اسپرندگی   
osporandegi

Fr.: complémentarité   

The state or quality of being → complementary.

From → complementary + → -ity.

From osporandé, → complementary, + -gi, same as -i noun suffix.

complementarity principle
  پروز ِ اسپرندگی   
parvaz-e osporandegi

Fr.: principe de complémentarité   

Physical principle, put forward by Niels Bohr in 1928, that a complete knowledge of phenomena on atomic dimensions requires a description of both wave and particle properties.

complementarity; → principle.

complementary
  اسپرنده   
osporandé

Fr.: complémentaire   

Forming or serving as a complement; completing.

From → complement.

<< < -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 > >>