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: 13116 Search : far
complex function
  کریای ِ همتافت   
karyâ-ye hamtâft

Fr.: fonction complexe   

A function whose → variables are → complex numbers.

complex; → function.

complex molecule
  مولکول ِ همتافت   
molekul-e hamtâft

Fr.: molécule complexe   

A molecule in the → interstellar medium comprising at least six atoms (e.g. Herbst & van Dishoeck, 2009, ARA&A).

complex; → molecule.

complex number
  عدد ِ همتافت   
adad-e hamtâft (#)

Fr.: nombre complexe   

Any number of the form u = a + bi, where a and b are → real numbers and i imaginary, i.e. i2 = -1.

complex; → number.

complex organic molecule (COM)
  مولکول ِ ارگانیک ِ همتافت   
molekul-e orgânik-e hamtâft

Fr.: molécule organique complexe   

A → complex molecule containing C, H, O, and N atoms and involved in life developing processes. See also → organic molecule.

complex; → organic; → molecule.

complex population
  پرینش ِ همتافت   
porineš-e hamtâft

Fr.: population complexe   

Same as → composite population.

complex; → population.

complex wave
  موج ِ همتافت   
mowj-e hamtâft (#)

Fr.: onde complexe   

A wave that is composed of several frequencies.

complex; → wave.

component
  همنه   
hamneh (#)

Fr.: composante   

A constituent part; an individual part of an organized whole.
One of two or more vectors having a sum equal to a given vector.

L. componentem, pr.p. of componere "to put together," → compose.

Hamneh from ham- "together," → com- + neh present tense stem of nehâdan "to put, place," → compose.

compose
  همنهادن   
hamnehâdan (#)

Fr.: composer   

To create or form by putting together things, parts, or elements.

From O.Fr. composer "put together, arrange," from → com- "together" + poser "to place," from L. ponere "to put, place."

Hamnehâdan from ham-, → com-, + nehâdan "to put, place," Mid.Pers. nihâtan, Av. ni- "down; into," → ni- (PIE), + dâ- "to put; to establish; to give," dadâiti "he gives," cf. Skt. dadâti "he gives," Gk. didomi "I give," L. do "I give;" PIE base *do- "to give."

composite
  همنهاده   
hamnehâdé (#)

Fr.: composite   

Made up of distinct components. The components may retain part of their identities. → compound, → combination.

From O.Fr. composite, from L. compositus, p.p. of componere "to put together," → compose.

Hamnehâdé, p.p. of hamnehâdancompose.

composite number
  عدد ِ همنهاده   
adad-e hamnehâdé

Fr.: nombre composite   

A whole number which is the product of whole numbers other than itself and 1. The opposite of prime number. → compound number.

composite; → number.

composite population
  پرینش ِ همنهاده   
porineš-e hamnehâdé

Fr.: population composite   

A stellar population consisting of more than one → simple population. Also called complex population.

composite; → population.

composite spectrum
  بیناب ِ همنهاده   
binâb-e hamnehâdé

Fr.: spectre composite   

A stellar spectrum displaying lines characterising two stars of different types.

composite; → spectrum.

composition
  همنهش   
hamneheš (#)

Fr.: composition   

1) General: The act or manner of composing; the result or product of composing.
2) Chemistry: The proportion of the elements of which a substance is made up.
3) Mechanics: The determination of a force whose effect is the same as that of two or more given forces acting simultaneously.

Hamnehesh, from ham-, → com-, + neheš verbal noun from nehâdan "to put, place," → compose.

compound
  ۱) همنات؛ ۲) همناتیدن   
1) hamnât; 2) hamnâtidan

Fr.: 1) composé; 2) composer   

1a) General: Consisting of two or more separate substances, ingredients, elements, or parts. A compound usually constitutes a new and independent entity with regard to its components. → composite, → combination.
1b) Chemistry: A substance whose molecules are made up of at least two different elements.
1c) Linguistics: A word consisting of two or more independent elements such as sunflower, eyeball, football.
2a) To combine so as to form a whole; mix.
2b) To produce or create by combining two or more ingredients or parts; compose or make up.

M.E. compouned, p.p. of compounen, M.Fr. compon-, stem of compondre, from L. componere, → compose.

Hamnât, literally "placed together," from ham- "together," → com-, + nât "placed, put," variant of nâd, nâde, from Lori nâdan "to place, put" (Tabari da-nâyan "to place, put"), variant of nehâdan "to place, put," → compose.

compound angle
  زاویه‌ی ِ همنات   
zâviye-ye hamnât

Fr.: angle composé   

An angle that results from the combination of two other angles. These angles are expressed by → compound angle formulae.

compound; → angle.

compound angle formula
  دیسول ِ زاویه‌ی ِ همنات   
disul-e zaviye-ye hamnât

Fr.: formule d'angle composé   

One of eight equations that give the → trigonometric functions of → compound angles.
sin(A± B) = sinA.cosnd angleB± cosA.sinB
cos(A + B) = cosA.cosB - sinA.sinB
cos(A - B) = cosA.cosB + sinA.sinB
tan(A + B) = (tanA + tanB)/(1 - tanA.tanB)
tan(A - B) = (tanA - tanB)/(1 + tanA.tanB).

compound; → angle; → formula.

compound curve
  خم ِ همنات   
xam-e hamnât

Fr.: courbe composée   

A curve that is made up of a series of successive tangent circular arcs.

compound; → curve.

compound event
  رویداد ِ همنات   
ruydâd-e hamnât

Fr.: événement composé   

In statistics, an event whose probability of occurrence depends upon the probability of occurrence of two or more independent events.

compound; → event.

compound fraction
  برخه‌ی ِ همنات   
barxe-ye hamnât

Fr.: fraction composée   

Same as → complex fraction.

compound; → fraction.

compound lens
  عدسی ِ همنات   
adasi-ye hamnât

Fr.: lentille composée   

A lens system consisting of two or more lenses with the same radius used together in order to remove aberrations found in a single lens.

compound; → lens.

<< < -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 > >>