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
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.

complementary angle
  زاویه‌ی ِ اسپرنده   
zâviyé-ye osporandé

Fr.: angle complémentaire   

Any angle that when added to another one creates a 90° angle.

complementary; → angle.

complementary apertures
  دهانه‌های ِ اسپرنده   
dahânehâ-ye osporandé

Fr.: ouvertures complémentaires   

Same as → complementary screens.

complementary; → aperture.

complementary screens
  پرده‌های ِ اسپرنده   
pardehâ-ye osporandé

Fr.: écrans complémentaires   

Two apertures where opaque and transparent areas are inverted. If A is an aperture that has some opaque areas and some transparent ones, the complementary pattern A' is the pattern in which exactly the opposite areas are opaque and transparent. Thus, the complimentary screen of a single slit is a wire of the same size, and the complementary screen of a circular opening is a dot. A better term would be → complementary apertures.

complementary; → screen.

complete
  ۱) اسپر؛ ۲) اسپریدن   
1) ospor; 2) osporidan

Fr.: 1) complet; 2) compléter   

1a) General: Having all necessary parts, elements, or steps.
1b) Math: Of a deductive theory or system, the property that every statement formulated in terms of the theory can be either proved or disproved.
2) To make whole or entire; to make perfect.

From O.Fr. complet "full," from L. completus, p.p. of complere "to fill up," from → com- + plere "to fill," PIE *pelu- "full," from *pel- "to be full;" cf. O.Pers. paru- "much, many," Av. parav-, pauru-, pouru-, par- "to fill," Mod.Pers. por "full," Skt. puru-, Gk. polus.

1) Ospor, from Mid.Pers. uspurr "complete, entire," from prefix us-, os-, → ex-, + por "full," O.Pers. paru- "much, many," Av. parav-, pauru-, pouru-, par- "to fill," PIE *pelu- "full," from *pel- "to be full;" cf. Skt. puru-, Gk. polus, O.E. full "completely, full," from P.Gmc. *fullaz, O.H.G. fol, Ger. voll, Goth. full.
2) From ospor + -idan infinitive suffix.

complete graph
  نگاره‌ی ِ اسپر   
negâre-ye ospor

Fr.: graphe complet   

In → graph theory, a simple graph with an → edge between every pair of → vertices.

complete; → graph.

complete set
  هنگرد ِ اسپر   
hangard-e ospor

Fr.: ensemble complet   

Quantum mechanics: A set of states such that any state can be represented as a superposition of them.

complete; → set.

completeness
  اسپری   
ospori

Fr.: complétude   

1) The state of being complete and entire.
2) Logic: The condition of a → formal system if every → valid  → inference is → provable by means of the rules of the system.

From → complete + → -ness.

completeness magnitude
  برز ِ اسپری   
borz-e ospori

Fr.: magnitude de complétude   

In photometric studies of a → population of astronomical objects (usually stars or galaxies), the magnitude that represents the faintest members of the population.

completeness; → magnitude.

complex
  همتافت   
hamtâft (#)

Fr.: complexe   

1) General: (n. & adj.) A whole comprised of many elements. → complex wave.
2) (adj.) Complicated and hard to solve.
3) Math: Pertaining to or using → complex numbers.

From Fr. complexe, from L. complexus "surrounding, encompassing," p.p. of complecti "to embrace, encompass, include," from → com- "together" + plectere "to weave, twine."

Hamtâft, from ham- "together," → com- + tâft past stem of tâftan, tâbidan "to twist, to spin, to bend, to crook," p.p. tâftah "spun, silk or linen cloth," loaned into E. taffeta (from O.Fr. taffetas, from It. taffeta); similarly Gk. tapetion "little carpet" is probably from this Iranian origin (from which tapestry, tapis); Proto-Ir. *tap- "to spin," related to tan-, tanidan "to spin; to stretch," → tension.

complex conjugate
  همیوغ ِ همتافت   
hamyuq-e hamtâft (#)

Fr.: conjugé   

A → complex number in which the → real part of the number remains the same, but i is replaced by -i. For example, the complex conjugate of x + iy is x - iy. Same as → conjugate complex number.

complex; → conjugate.

complex dynamical variable
  ورتنده‌ی ِ توانیک ِ همتافت   
vartande-ye tavânik-e hamtâft

Fr.: variable dynamique complexe   

A → dynamical variable which has an → imaginary number part.

complex; → dynamical; → variable.

complex Fourier series
  سری ِ فوریه‌ی ِ همتافت   
seri-ye Fourier-ye hamtâft

Fr.: série de Fourier complexe   

The complex notation for the → Fourier series of a function f(x). Using → Euler's formulae, the function can be written in cimplex form as f(x) = Σ cn einx (summed from -∞ to ∞), where the → Fourier coefficients are cn = (1/2π)∫ f(x) e-inx dx (integral from -π to +π).

complex; → Fourier series.

complex fraction
  برخه‌ی ِ همتافت   
barxe-ye hamtâft

Fr.: fraction complexe   

A fraction in which the → numerator or → denominator, or both, contain fractions. For example (3/5)/(6/7). Also called → compound fraction.

complex; → fraction.

<< < -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 > >>