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
desorb
  واشمیدن   
vâšamidan

Fr.: désorber   

Verbal form of → desorption.

Desorb, from → de- + -sorb, modeled on → absorb.

vâšamidan, from vâ-, → de-, + šamidan, modeled on baršamidan, → absorb.

desorption
  واشم   
vâšam

Fr.: désorption   

A physical or chemical process by which a substance that has been sorbed (adsorbed or absorbed) by a liquid or solid material is removed from the material. Reverse of → sorption. → absorption; → adsorption.

Verbal noun of → desorb.

despite
  پادکام   
pâdkâm

Fr.: malgré, en dépit de   

In spite of; notwithstanding.

M.E. despit, from O.Fr. despit, from L. despectus "a looking down on, scorn, contempt," from p.p. of despicere "to look down on, scorn," from → de- "down" + spicere/specere "to look at," → scope; the preposition is contraction of in despite of, a loan-translation of O.Fr. en despit de "in contempt of."

Pâdkâm, literally "against (one's) will or desire," from pâd- "against, contrary," → anti-, + kâm "desire, wish;" Mid.Pers. kâm "desire, wish;" cf. Skt. kāma- "desire, wish."

destructive interference
  اندرزنش ِ ویرانگر   
andarzaneš-e virângar

Fr.: interférence destructive   

An → interference process in which the → amplitude of the the amplitude of the resultant wave is less than that of either individual waves. See also → constructive interference.

Destructive, from O.Fr. destructif, from L.L. destructivus, from destruct-, p.p. stem of destruere, from → de- + struere "to build," → structure; → interference.

Andarzaneš, → interference; virângar "destructive," from virân, "destroyed, ruined."

detached system
  راژمان ِ جدا   
râžmân-e jodâ

Fr.: système détaché   

A binary system whose components are not in contact and in which no significant mass exchange is occurring.

P.p. of detach, from O.Fr. destachier (Fr. détacher), from des- "apart," + -tachier (as in atachier "to attach"); → system.

Râžmânsystem; jodâ "separate, distinct," Mid.Pers. jutâk (yutâk), jut (yut).

detail
  ۱) پازه؛ ۲) پازیدن   
1) pâzé; 2) pâzidan

Fr.: 1) détail; 2) détailler   

1) An individual or minute part; an item or → particular.
2) To relate or report with complete particulars; tell fully and distinctly (Dictionary.com).

From Fr. détail, from O.Fr. detail "small piece or quantity," literally "a cutting in pieces," from detaillier "to cut in pieces," from → de- "entirely" + taillier "to cut in pieces," from L. taliare "to split."

Pâzé, from Sogd. pâzê "portion, bit;" Kurd. pâž "part of a whole;" related to Mod.Pers. baxš "part, division," bâž "tribute, toll, impost;" ultimately from Proto-Ir. *baj- "to bestow, divide, have a share;" cf. Av. baž- (baxš-) "to divide, bestow, give a share;" O.Pers. bāji- "tribute, tax;" Mid.Pers. bâj, bâž "tribute, tax," baxtan "to distribute," baxt "luck, fate;" Skt. bhaj- "to share, distribute, apportion," Gk. phagein "to eat (to have a share of food)"; PIE base *bhag- "to share out, apportion;" → division.

detailed
  پازه‌مند   
pâzemand

Fr.: détaillé   

1) Having many details.
2) Thorough in the treatment of details (Dictionary.com).

Adjective from → detail.

detect
  آشکاریدن   
âškâridan (#)

Fr.: détecter   

To uncover the presence of, as of a sought-for nuclear particle or an astronomical object.
In radio communication, to extract the signal from its modulated carrier wave.

From M.E., from L. detectus, p.p. of detegere "uncover, disclose," from → de- reversal prefix + tegere "to cover."

škâridan "to reveal," infinitive of âškâr "manifest, clear," Mid.Pers. âškârak "manifest," from Proto-Iranian *âviškâra- from *âviš, Av. âviš "manifestly," + *kâra-, from kar- "to do, make," cf. Skt. avistya- "apparent, manifest."

detection
  آشکارش   
âškâreš (#)

Fr.: détection   

The act or state of detecting, → detect
Any operation on an electrical or electromagnetic signal to recover information from it.

M.E., from L.L. detection-, from detect(us), → detect, + -ion.

škâreš, from âškâr present-tense stem of âškâridandetect + verbal noun suffix.

detective quantum efficiency (DQE)
  کار‌آیی ِ کوانتومی ِ آشکارش   
kârâyi-ye kuântomi-ye âškâreš

Fr.: rendement quantique de détection   

The square of the ratio of the output → signal-to-noise (S/N) to the input S/N.

Detective, adj. of → detect; → quantum; → efficiency.

detectivity
  آشکارندگی   
âškârandegi

Fr.: détectivité   

A performance criterion for an electronic detector, reciprocal of the corresponding → noise-equivalent power (D = 1/NEP).

From detective, relating to → detect + → -ity.

detector
  آشکارگر   
âškârgar (#)

Fr.: détecteur   

A device whose main function is detection.
Any device or array of electronic sensors connected to a computer, used to detect the passage of a particle or photon; e.g. a → charge-coupled device (CCD).

L.L. detector, from deteg(ere), → detect, + -tor suffix forming agent noun.

škârgar, from âškâr present-tense stem of âškâridan "to detect" + -gar a suffix of agent nouns, from kar-, 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").

determinant
  آترمگر   
âtarmgar

Fr.: déterminant   

An agent or factor that determines the nature of something or that fixes or conditions an outcome.
Math.: An algebraic expression used in the solution of systems of linear equations, which consists of the sum of products of elements, each with an appropriate algebraic sign, usually written in a square array.

From → determine + -ant suffix forming noun.

Âtarmgar, from âtarm present stem of âtarmidandetermine + -gar, → detector.

determination
  آترم، آترمش   
âtarm, âtarmeš

Fr.: détermination   

The act of deciding definitely and firmly; the result of such an act of decision.

Verbal noun of → determine.

determine
  آترمیدن   
âtarmidan

Fr.: déterminer   

1) General: To settle or decide by choice of alternatives or possibilities.
2) Math.: To fix or define the position, form, or configuration of.
3) Logic: To explain or limit by adding differences.

From O.Fr. déterminer, from L. determinare "set limits to," from → de- + terminare "to mark the end or boundary," from terminus "boundary, border, end," → term.

Âtarmidan, from âtarm + verb forming suffix -idan; âtarm from intensive prefix â- + tarm "limit, boundary," → term.

determined
  آترمیده   
âtarmidé

Fr.: déterminé   

1) Decided; settled; resolved.
2) Showing determination, characterized by determination.

p.p. of → determine.

determinism
  آترم باوری   
âtarmbâvari

Fr.: déterminisme   

The belief that every event is necessitated by antecedent events and conditions together with the laws of nature. → deterministic physics.

From → determine + → -ism.

Âtarmbâvari, from âtarm, → determine, + bâvari, noun of bâvar "beleif;" Mid.Pers. wâbar "beleif;" Proto-Iranian *uar- "to choose; to convince; to believe;" cf. Av. var- "to choose; to convince" varəna-, varana- "conviction, faith;" O.Pers. v(a)r- "to choose; to convince;" Skt. vr- "to choose," vara- "choosing."

deterministic
  آترم‌باور   
âtarmbâvar

Fr.: déterministe   

Of, pertaining to, or dealing with → determinism.

From determinist + → -ic.

deterministic physics
  فیزیک ِ آترم‌باور   
fizik-e âtarmbâvar

Fr.: physique déterministe   

The classical representation of the laws of nature according to which a particular future state (B) will arise from a particular past one (A). In contrast to → quantum physics which deals with the probability for the transition from A to B.

Deterministic, adj. of determinism; → physics.

deterministic theory
  نگره‌ی ِ آترم‌باور   
negare-ye âtarmbâvar

Fr.: théorie déterministe   

A theory in which specification of the initial value of all relevant variables of the system is sufficient to calculate the past values and to predict the future values of such variables for any arbitrary time. Moreover, it is possible, for any arbitrary time, to assign a value to all the variables characterizing the system. In quantum mechanics, the time evolution of the → wave function, governed by the → Schrodinger equation, is deterministic. Quantum mechanics, however, is a non deterministic theory because of the probabilistic nature of the predictions for the values of the → observables of a quantum system.

deterministic; → theory.

<< < -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 > >>