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

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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<< < -es -iv -ti 21 a p abe abs abs aca acc acc acr act ada adh Adr aer aga air Alf Alg alk Alp alt alu amm ana And ang ani ano ant ant Ap apo app app Aqu Arc arg arr asc ass ast ast asy atm ato att aur aut axi B-m bad Bal bar bar Bay Bed ber Bet bif bim bin bio bis bla ble blu Bod Bol bor bou Bra Bre bro bul C-t Cal Cam can car Car Cas cat cav cel cen cer Cha cha Cha che chl Cir cir cir Cla cli clo clu co- coc 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 coo Cor Cor cor cos cos cos Cou cou Cra Cre cri cro cub cur cyc cyl Dan dat Dav de- Deb dec dec dee def deg del Den den der det deu dew dic dif dif dil Dip dir dis dis dis dis dis diu dod Dop dou Dra dua dus dwa dyn DZ Ear ecc eco edi EHB Ein ela ele ele ele ele ell eme emp end Eng ent epi equ equ era ESP eth Eur evi exa exc exe exi exp exp ext ext ext fac fal far fec Fer fer fie fin fir fis fla Flo flu fog for for Fou fra fre fre Fro fun G s Gal gal gal Gar gau geg gen geo geo geo ger gla gly gra gra gra gra gra Gre gro GYR Had Hal hap Har HD hea hel hel Hen Her hex hig Hil hol Hoo hor hou Hub hum hyb hyd hyd hyp hys ide ign ima imp imp in- inc Ind ind ine inf inf inf ini ins ins ins int int int int Int int int int inv ion iri irr iso iso iso Jea Jor jum K c Kep Ker kin kno lab Lam Lan Lap las lat Le lef len lev lig lig lin lin lin liq Lit loc log lon lou LS lun lun Lym M s Mag mag mag mag mag mag maj man Mar mas mas mat May mea mec mel mer mes met met met mic mid mil Min Mir mix mod mod mol mon mor mov mul mur mys nan nat nav nec Nep neu New New NGC nob nom non non nor nos nuc nuc num nut obj obl obs occ oct off oli oni ope opp opt opt orb ord org orp osc out ove oxi P-w pal par par par par Pas pat pej per per per per per per pha Phe pho pho pho phy pin pla Pla pla pla pla plu poi pol pol Pol pol por pos pot Poy pre pre pre pre pri pri pri pro pro pro pro pro pro Psa pul pum Q i qua qua qua qua R A rad rad rad rad rad rad Ram Ran rat rea rea rec rec red red ref ref reg rei rel rel rem rep res res res ret rev Rho Rie ril riv rog Ros rot rul S A Sag sam sat sca sca Sch Sco Sec sec sec seg sel sem sen set Sha sha shi sho sid sig sim sin Sir ske sli Smo soc sof sol sol sol sol sou sou spa spe spe Spe spe sph spi Spi spr sta sta sta sta sta ste ste ste Sto str str sub sub sub suc sun sup sup sup sup sur swa syn syn tac tas tel tem ter tes the the the the thi thr tid til tip ton tor tou tra tra tra tra Tri tri tru tsu tur two Typ UHE ult unc uni uni uni upg ura uti val var vec Vel ver Ver vie Vir vis vis vol W-R war wav wav wea Wei wha wid win WN3 Wol wri xen yok zen zij > >>

Number of Results: 13116 Search : far
coupled systems
  راژمان‌های ِ جفسر، ~ جفتیده   
râžmânhâ-ye jafsar, ~ joftidé

Fr.: systèmes couplés   

A set of two or more mechanical vibrating systems connected so that they interact with one another.

coupled; → system;

coupling
  جفسری، جفتش   
jafsari, jofteš

Fr.: couplage   

The act of linking together or forming couples; a connection between two things so they move together.
The quality of coupled systems or the way they are coupled.

Noun from → couple; → -ing.

coupling coefficient
  همگر ِ جفسری   
hamgar-e jafsari

Fr.: coefficient de couplage   

A parameter that indicates the strength of the interaction between two systems.

coupling; → coefficient.

coupling constant
  پایای ِ جفسری   
pâyâ-ye jafsari

Fr.: constante de couplage   

In nuclear physics, a constant that indicates a measure of how strongly two particles interact.

coupling; → constant.

courage
  پردلی، دلیری، درش   
pordeli (#), deliri (#), darš

Fr.: courage   

The quality of mind or spirit that enables a person to face difficulty, danger, pain, etc.

M.E. corage, from O.Fr., derivative of cœur "heart," from L. cor, cognate with Pers. del and E. → heart

Pordeli, deliri, from pordel, delir, → courageous.
Darš, → dare.

courageous
  پردل، دلیر، درشمند   
pordel (#), delir (#), daršmand

Fr.: courageux   

Having or characterized by courage.

M.E., from O.Fr. corageus, corajos, from → courage.

Pordel, literally "greathearted," from por, → full, + del, → heart. Delir "brave, courageous," from del "heart," as above.
Daršmand, → daring.

cousin
  ترزا   
tarzâ

Fr.: cousin   

1) The son or daughter of an uncle or aunt.
2) One related by descent in a diverging line from a known common ancestor, as from one's grandparent or from one's father's or mother's sister or brother (Dictionary.com).

M.E. cosin, from O.Fr. cusin, cosin, from L. consobrinus, from → com- + sobrinussoror, → sister.

Tarzâ, from tar, from Baluci teru "uncle, aunt," tri "aunt;" cf. Av. tuiriia- "uncle," + "son/daughter of; born," → birth.

covalence
  هم ارزایی   
ham-arzâyi

Fr.: covalence   

Chemistry: The number of covalent bonds which an atom can from. The sharing of electrons to form chemical bonds. → equivalence.

From → co- + valence, from L. valentia "strength, worth," valere "to be worth; be strong."

Ham-arzâyi, from ham-co- + arzâyi, from arzidan "to be worth," arzân "worthy; of small value, cheap," arj "esteem, honour, price, worth," Mid.Pers. arz "value, worth," arzidan "be worth," arzân "valuable;" Av. arəjaiti "is worth," arəja- "valuable," arəg- "to be worth;" cf. Skt. arh- "to be worth, to earn," árhant- "worthy person;" Gk. alphanein "to bring in as profit," alphein "to ear, obtain;" Lith. algà "salary, pay;" PIE base *algwh- "to earn; price, value."

covalent bond
  بند ِ هم ارزا   
band-e ham-arzâ

Fr.: lien covalent   

A chemical bond between two atoms of the same or different elements, in which each atom contributes one electron to be shared in a pair.

Covalent, adj. of → covalence; → bond.

covariance
  هم‌ورتایی   
hamvartâyi

Fr.: covariance   

In statistics, a measure of linear dependence. For two random variables X and Y with expectations mx and my, the covariance is E{(X - mx)(Y - my)}.

From co-, → com-, + → variance.

From ham-, → com-, + vartâyi, → variance.

covariant
  هم‌ورتا   
hamvartâ

Fr.: covariant   

In physics, having the property of remaining invariant in form under a Lorentz transformation.

com-; → variance.

covariant tensor
  تانسر ِ هم‌ورتا   
tânsor-e hamvartâ

Fr.: tenseur covariant   

A tensor whose components are distinguished by → subscript indices.

covariant; → tensor.

cover
  پوشیدن؛ پوشش   
pušidan; pušeš (#)

Fr.: couvrir; couverture   

1) To spread over an area or surface.
2) Something that covers.

From M.E., from O.Fr. covrir, from L. cooperire "to cover over, overwhelm, bury," from the intensive prefix → com- + operire "to close, cover."

Pušidan "to cover; to put on," → envelope; pušeš, verbal noun of pušidan.

coverage
  پوشش   
pušeš (#)

Fr.: couverture   

1) General: The extent to which something is covered.
2) Astro.: The total area of the sky observed in a particular → sky survey. See also → fractional sky coverage.
3) The area within which a radio signal sent by a transmitter is received reliably .
4) In film making, the shooting of a scene from various views and using various exposures.

From → cover + -age a suffix forming abstract nouns.

cover.

cow
  گاو   
gâv (#)

Fr.: vache   

The female of bovine animals.

M.E. cou, cognate with Pers. Gâv, as below.

Mid.Pers. "bull, cow;" Av. gao-, gāvuš; cf. Skt. go-, gáus; Gk. bous ";" L. bos "ox, bull, cow;" O.E. cu "cow;" Ger. Kuh "cow;" PIE *gwows "cow."

Cowling model
  مدل ِ کاؤلینگ   
model-e Cowling

Fr.: modèle de Cowling   

A model of the internal structure of → massive stars in which a → convective core is surrounded by a large → radiative envelope. However, recent studies point to the presence of a thin → convection zone in the outer envelope of hot massive stars, beneath the → photosphere, which is caused by opacity peaks associated with iron and helium ionization. See also → iron convection zone.

After Thomas Cowling (1906-1990), a British astronomer, who put forward the model; → model.

CP star
  ستاره‌ی ِ CP   
setâre-ye CP

Fr.: étoile CP   

chemically peculiar star.

chemically peculiar star.

CP-symmetry
  همامونی ِ بار-همالی   
hamâmuni-ye bâr-hamâli

Fr.: symétrie charge-parité   

Same as → charge-parity symmetry.

charge; → parity; → symmetry.

crab
  خرچنگ   
xarcang (#)

Fr.: crabe   

1) Any decapod crustacean of the suborder Brachyura, having the eyes on short stalks and a short, broad, more or less flattened body, the abdomen being small and folded under the thorax. → Cancer; → Crab nebula; → Crab pulsar.
2) Any of various other crustaceans, as the hermit crab, or other animals, as the horseshoe crab, resembling the true crabs (Dictionary.com).

M.E. crabbe; O.E. crabba, from Germanic *krab(b)- (cf. Low Ger. krabben "to scratch, claw"); PIE base *gerbh- "to scratch;" cf. Gk. graphein "to write."

Xarcang "crab," from Mid.Pers. karcang, cf. Lori qerženg from kar-, qer- + cang, ženg "claw." The meaning of the first component, xar/qer, is not clear. It may be related to Av. xruta-, xraoždva- "hard," as in xruždisma- "hard ground" (from xruždi- + zam-), and to the PIE *qarq- "to be hard." In that case, the Pers. term for crab would literally mean "hard claw."

Crab nebula (M1, NGC 1952)
  میغ ِ خرچنگ   
miq-e xarcang

Fr.: Nébuleuse du Crabe   

An expanding cloud of debris from the explosion of a → Type I supernova in the → constellation  → Taurus. Its light reached Earth in 1054 and was visible to the naked eye even in the daytime. Lying about 6,300 → light-years away, the Crab nebula is an intense → radio source (Tau A), and also a source of X-rays and gamma-rays. The diameter of the → supernova remnant is about 6 light-years; it is expanding at velocity of 1000 km/sec.

crab; → nebula.

<< < -es -iv -ti 21 a p abe abs abs aca acc acc acr act ada adh Adr aer aga air Alf Alg alk Alp alt alu amm ana And ang ani ano ant ant Ap apo app app Aqu Arc arg arr asc ass ast ast asy atm ato att aur aut axi B-m bad Bal bar bar Bay Bed ber Bet bif bim bin bio bis bla ble blu Bod Bol bor bou Bra Bre bro bul C-t Cal Cam can car Car Cas cat cav cel cen cer Cha cha Cha che chl Cir cir cir Cla cli clo clu co- coc 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 coo Cor Cor cor cos cos cos Cou cou Cra Cre cri cro cub cur cyc cyl Dan dat Dav de- Deb dec dec dee def deg del Den den der det deu dew dic dif dif dil Dip dir dis dis dis dis dis diu dod Dop dou Dra dua dus dwa dyn DZ Ear ecc eco edi EHB Ein ela ele ele ele ele ell eme emp end Eng ent epi equ equ era ESP eth Eur evi exa exc exe exi exp exp ext ext ext fac fal far fec Fer fer fie fin fir fis fla Flo flu fog for for Fou fra fre fre Fro fun G s Gal gal gal Gar gau geg gen geo geo geo ger gla gly gra gra gra gra gra Gre gro GYR Had Hal hap Har HD hea hel hel Hen Her hex hig Hil hol Hoo hor hou Hub hum hyb hyd hyd hyp hys ide ign ima imp imp in- inc Ind ind ine inf inf inf ini ins ins ins int int int int Int int int int inv ion iri irr iso iso iso Jea Jor jum K c Kep Ker kin kno lab Lam Lan Lap las lat Le lef len lev lig lig lin lin lin liq Lit loc log lon lou LS lun lun Lym M s Mag mag mag mag mag mag maj man Mar mas mas mat May mea mec mel mer mes met met met mic mid mil Min Mir mix mod mod mol mon mor mov mul mur mys nan nat nav nec Nep neu New New NGC nob nom non non nor nos nuc nuc num nut obj obl obs occ oct off oli oni ope opp opt opt orb ord org orp osc out ove oxi P-w pal par par par par Pas pat pej per per per per per per pha Phe pho pho pho phy pin pla Pla pla pla pla plu poi pol pol Pol pol por pos pot Poy pre pre pre pre pri pri pri pro pro pro pro pro pro Psa pul pum Q i qua qua qua qua R A rad rad rad rad rad rad Ram Ran rat rea rea rec rec red red ref ref reg rei rel rel rem rep res res res ret rev Rho Rie ril riv rog Ros rot rul S A Sag sam sat sca sca Sch Sco Sec sec sec seg sel sem sen set Sha sha shi sho sid sig sim sin Sir ske sli Smo soc sof sol sol sol sol sou sou spa spe spe Spe spe sph spi Spi spr sta sta sta sta sta ste ste ste Sto str str sub sub sub suc sun sup sup sup sup sur swa syn syn tac tas tel tem ter tes the the the the thi thr tid til tip ton tor tou tra tra tra tra Tri tri tru tsu tur two Typ UHE ult unc uni uni uni upg ura uti val var vec Vel ver Ver vie Vir vis vis vol W-R war wav wav wea Wei wha wid win WN3 Wol wri xen yok zen zij > >>