An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

   Homepage   
   


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

<< < -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 > >>

Number of Results: 13048 Search : far
AGB final thermal pulse (AFTP)
  تپه‌ی ِ گرمایی ِ پایانی ِ AGB   
tape-ye garmâyi-ye pâyâni-ye AGB

Fr.: flash de l'hélium final de l'AGB   

In evolutionary models of → low-mass and → intermediate-mass stars, the occurrence of a → helium shell flash just at the moment when the star is leaving the → asymptotic giant branch phase.

AGB; → final; → thermal; → pulse.

age
  ۱) سن؛ ۲) عصر   
1) senn (#); 2) asr (#)

Fr.: âge   

1) The length of time that a celestial body or an evolutionary stage of it has existed, i.e. the age of a massive star, the age of a galaxy, a stellar cluster, and so on.
2) a: A period of time in the history of the Universe marked by a distinctive characteristic. → cosmic dark age. b: A division of geologic time in the history of the Earth, usually shorter than an epoch.

From O.Fr. aage, from Vulgar L. *ætaticum, from L. ætatem "period of life," from ævum "lifetime, eternity, age;" cf. Mid.Pers. awâm, âwâm "time, season," Av. âyav- "duration, period, time of life," Skt. âyuh- "life, health". All from PIE *aiw-, *ayu- "vital force, life, long life, eternity."

Senn from Ar. senn "age, lifetime". Asr from Ar.

age of the Moon
  ۱) کهن‌روزی ِ ماه؛ ۲) سن ِ ماه   
1) kohan-ruzi-ye mâh; 2) senn-e mâh

Fr.: âge de la lune   

Same as → Moon's age.

Moon's age.

age of the Universe
  سن ِ گیتی   
senn-e giti

Fr.: âge de l'Univers   

The time elapsed since the → Big Bang.

age; → universe.

Agena (β Centauri)
  حضار   
Hazâr

Fr.: Agena   

Alternative name for the star Hadar, the second brightest star in Centaurus and the tenth brightest star in the sky. → Hadar.

The etymology of Agena is not clear. Some sources have suggested L. a genu "by the knee," but it seems dubious.

agent
  کنشگر   
konešgar (#)

Fr.: agent   

1) Something such as a chemical substance, organism, or natural force that causes an effect.
2) Somebody who provides a particular service for another.

From L. agentem (nominative agens, genitive agentis), pr.p. of agere "to set in motion, drive, lead, conduct," → act.

Konešgar, from koneš verbal noun of kardan "to do, to make" (Mid.Pers. kardan, O.Pers./Av. kar- "to do, make, build," Av. kərənaoiti "makes," cf. Skt. kr- "to do, to make," krnoti "makes," karma "act, deed;" PIE base kwer- "to do, to make") + -gar, → -or.

ageostrophic wind
  باد ِ نازمین‌چرخشی   
bâd-e nâ-zamincarxeši

Fr.: vent agéostrophique   

Meteo.: The wind component deviating from the → geostrophic wind in the absence of the → geostrophic balance. In other words, ageostrophic wind is the difference between the true wind and the geostrophic wind.

From negation prefix → a- + → geostrophic; → wind.

agglomerate
  ۱) برگلمیدن؛ ۲) برگلمیده؛ ۳) برگلم   
1) bargolemidan; 2) bargolemidé; 3) bargolem

Fr.: 1) agglomérer; 2,3) aggloméré   

1) (v.) To collect or gather into a cluster or mass.
2) (adj.) Gathered together into a cluster or mass.
3a) (n.) A mass of things clustered together.
3b) A rock composed of rounded or angular volcanic fragments (Dictionary.com).

From L. agglomeratus, p.p. of agglomerare "to wind or add onto a ball," from → ad- "to" + glomerare to "wind up in a ball," from glomus (genitive glomeris) "ball of yarn," globus "globe;" PIE *gel- "to make into a ball."

Bargolemidan, from suffix bar- "to, on, upon," + golem, from Lori, Laki golemâ, golama "curd, obtained from milk by coagulation, used to make cheese," Lori golem "stagnating water," Sangesari, Semnâni, Sorxe-yi, Lâsgardi golma, "boll, i.e. the rounded seed capsule of plants such as cotton," + -idan infinitive suffix.

agglomeration
  برگلمش   
bargolemeš

Fr.: agglomération   

1) A jumbled cluster or mass of varied parts.
2) The act or process of agglomerating (Dictionary.com).

Verbal noun of → agglomerate.

Agilkia
  اگیلکیا   
Agilkia

Fr.: Agilkia   

The site where → Rosetta's Philae lander is scheduled to touch down on Comet 67P/→ Churyumov-Gerasimenko on 12 November 2014.

Named for Agilkia Island (اجیلکیا), an island on the Nile River in the south of Egypt. A complex of Ancient Egyptian buildings, including the famous Temple of Isis, was moved to Agilkia from the island of Philae when the latter was flooded during the building of the Aswan dams last century.

agitate
  ژیلیدن   
žilidan

Fr.: 1) agiter, remuer; 2) émouvoir, troubler; 3) faire de l'agitation, exciter l'opinion publique   

1) To move or force into violent, irregular action. To shake or move briskly.
2) To disturb or excite emotionally; arouse; perturb.
3) To arouse or attempt to arouse public interest and support, as in some political or social cause or theory (Dictionary.com).

From L. agitatus, p.p. of agitare "move to and fro," frequentative of agere "to drive," → act.

Žilidan, from Lori, Laki žil "shaking, moving," related to žir, → act.

agitation
  ژیلش   
žileš

Fr.: agitation   

The act or process of agitating; state of being agitated. → thermal agitation.

Verbal noun of → agitate.

agitator
  ژیلشگر   
žilešgar

Fr.: agitateur   

1) A person who stirs up others in order to upset the status quo and further a political, social, or other cause.
2) A machine or device for agitating and mixing (Dictionary.com).

agitate; → -or; → turbulence.

agree
  ساچندن   
sâcandan

Fr.: consentir, convenir, être d'accord   

1) To have the same views, emotions, etc.; harmonize in opinion or feeling (often followed by with).
2) To give consent; assent (often followed by to).
3) To come to one opinion or mind; come to an arrangement or understanding; arrive at a settlement.
4) To be consistent; harmonize (usually followed by with).
5) To correspond; conform; resemble (Dictionary.com).

M.E. agre, agreen, from O.Fr. agreer "to receive with favor, take pleasure in," from phrase a gré "favorably, of good will," from L. → ad- "to" + gratum "pleasing," neuter of gratus "pleasing, agreeable," from PIE root *gwer- "to praise;" cf. Pers. gerâmi "dear, revered," from Av. gar- "to praise;" Skt. grnati "sings, praises," Lith. giriu "to praise, celebrate."

Infinitive from sâcan, → agreement.

agreement
  ساچن   
sâcan

Fr.: accord   

1) The act of agreeing or of coming to a mutual arrangement.
2) The state of being in accord (Dictionary.com).

Verbal noun from → agree + → -ment.

Sâcan, from sâz-, saz, sac-, sâj-, Pers. sâz-, sâxtan "to build, prepare; to agree, be compatible; to adapt, adjust;" sazidan "to suit, fit, be worthy," sazâ "suitable, agreeing with, congruous, deserving of;" Baluchi sâc-/sâcit "to adjust, be suitable, agree;" Mid.Pers. sacitan/sazidan "to fit," sazešn "fitness," sazâg "fitting, worth;" Av. sak- "to understand, to mark," sâcaya- (causative) "to teach;" Proto-Ir. *sac- "to fit, be suitable; to prepare;" + suffix -an, → minus.

agriculture
  کشاورزی   
kešâvarzi (#)

Fr.: agriculture   

The occupation or science of cultivating the land, producing crops, and feeding, breeding, and raising livestock; farming.

M.E., from M.Fr., from L. agricultura, compound of agri cultura "cultivation of land," from agri, genitive of ager "a field" + cultura "cultivation," → culture.

Kešâvarzi "agriculture," from kešâvarz "farmer, cultivator," from kešt-varz. The first component kešt, variant kâšt, from kâštan, keštan, variants of kâridan "to cultivate, to plant;" Mid.Pers. kištan, kâridan "to sow, plant; to make furrows;" Av. kar- "to strew seed, cultivate," kāraiieiti "cultivates;" cf. Skt. kar- "to scatter, strew, pour out." The second component varz agent noun of varzidan "to labor, exercise, practise;" cf. Gk. ergon "work;" Arm. gorc "work;" Lith. verziu "tie, fasten, squeeze," vargas "need, distress;" Goth. waurkjan; O.E. wyrcan "work," wrecan "to drive, hunt, pursue;" PIE base *werg- "to do, to work."

air
  هوا   
havâ (#)

Fr.: air   

The mixture of gases of which the earth's atmosphere is composed. It is chiefly made up of Nitrogen (about 78%) and Oxygen (about 20%).

Air, from O.Fr. air, L. aer, Gk. aer, related to Gk. aura "breath, vapor;" PIE *wer- "to raise, lift."

Havâ, from Ar., probably a loanword from Mid.Pers. vây "weather," Av. vayah-, vaya- "weather, atmosphere," from va- "to blow." Cf. Skt. va-, Gk. aemi- "to blow;" Av. vâta- "wind," Skt. vata-, L. ventus, Mod. Pers. bâd "wind." PIE *we- "to blow".

air shower
  تندبار ِ پرتوها‌ی ِ کیهانی، رگبار ِ ~ ~   
tondbâr-e partowhâ-ye keyhâni, ragbâ;r-e ~ ~

Fr.: gerbe (de rayons cosmiques)   

Same as → cosmic-ray shower.

air; → shower.

aircraft
  هواناو   
havânâv

Fr.: avion   

A machine capable of flying by means of → buoyancy or → aerodynamic forces, such as an airplane, helicopter, glider, or balloon.

air; → craft.

airglow
  هوافروز، شب‌فروغ   
havâforuz, šabforuq

Fr.: luminescence nocturne   

The faint ever-present glow in the → night time → sky caused by the → collision of → atoms and → molecules in Earth's → upper atmosphere with high energy → particles and → radiation, mainly from the → Sun. The airglow, also called nightglow, varies with time of night, → latitude, and → season.

air; → glow; → night.

<< < -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 > >>