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: 12948 Search : far
exhausted
  هلنجیده   
halanjide

Fr.: épuisé   

1) Completely used up.
2) Very tired.

Past participle of → exhaust.

exhaustion
  هلنج   
halanj

Fr.: épuisement   

1) The act or process of exhausting.
2) The state of being exhausted.
3) Extreme weakness or fatigue.
4) The total consumption of something (Dictionary.com).

exhaust; → -tion.

exhaustive
  ۱) اسپر، هلنجی؛ ۲) هلنجی   
1) ospor, halanji; 2) halanj

Fr.: 1) complet, à fond, exhaustif, munitieu   

1) Comprehensive in scope; thorough.
2) Tending to exhaust or drain, as resources or strength (Dictionary.com).

exhaust; → -ive.

Ospor, → perfect; halanj, halanji, → exhaust.

exist
  هستومند بودن، هستن، بودن   
hastumand budan (#), hastan (#), budan (#)

Fr.: exister   

1) To have actual being or reality; to be.
2) To have life; to live.

M.E., from O.Fr. exister, ultimately from pr.p. of L. existere/exsistere "to stand forth, appear; to exist, be;" from → ex- + sistere "cause to stand," from PIE *sta-, cf. Pers. istâdan "to stand," → state.

Hastumand budan, from Mid.Pers. hastumand "existing, existent," from hast, ast 'is" (infinitive hastan, astan); O.Pers. astiy; Av. asti "is;" O.Pers./Av. root ah- "to be;" cf. Skt. as-; Gk. esti; L. est; PIE *es-, + euphonic -u-, + -mand possession suffix, → -ist, + budan "to be," to become;" Mid.Pers. butan "to be ,become," from O.Pers./Av. bav- "to be; become, take place," Av. buta- perf. ptcpl. pass., bavaiti "becomes," Skt. bhavati "becomes, happens," bhavah "becoming; condition, state," PIE *bheu- "to be, come into being, become;" cf. Gk. phu- "become," phuein "to bring forth, make grow," L. fui "I was" (perf. tense of esse), futurus "that is to be, future," Ger. present first and second person sing. bin, bist, E. to be, O.Ir. bi'u "I am," Lith. bu'ti "to be," Rus. byt' "to be."

existence
  هستومندی، هستی   
hastumandi (#), hasti (#)

Fr.: existence   

Math.: The fact that at least one → solution exists for a given → problem.

exist; → -ence.

existence problem
  پراسه‌ی ِ هستومندی، ~ هستی   
parâse-ye hustumandi, ~ hasti

Fr.: problème d'existence   

Math: The question of whether a → solution to a given → problem exists.

existence; → problem.

existence proof
  آوین ِ هستومندی، ~ هستی   
âvin-e hastumandi, ~ hasti

Fr.: preuve d'existence   

Math.: An → argument that establishes an → existence theorem.

existence; → proof.

existence theorem
  فربین ِ هستومندی، ~ هستی   
farbin-e hastumandi, ~ hasti

Fr.: théorème d'existence   

Math: A theorem that asserts the existence of at least one object, such as the → solution to a → problem or → equation.

existence; → theorem.

existent
  هستومند   
hastumand (#)

Fr.: existant   

Existing; having existence.

exist.

existential
  هستیال   
hastiyâl

Fr.: existentiel   

1) Of or relating to → existence, especially  human existence.
2) Philo.:  Pertaining to what exists, and is thus known by experience rather  than reason; empirical as opposed to theoretical.
3) Logic: Denoting or relating to a → formula or → proposition asserting the existence of at least one object fulfilling a given condition; containing an → existential quantifier.
4) Of or relating to → existentialism (Dictionary.com).

From L.L. existentialis, → existence, → -al.

Hastiyâl, from hasti, → existence, + -al a suffix of attributes forming adjectives that often become nouns, in this case preferred to -i because hasti ends in -i, → -al.

existential quantifier
  چنداگر ِ هستیال   
candâgar-e hastiyâl

Fr.: quantificateur existentiel   

A symbol of → predicate logic which expresses that the statements within its scope are → true for at least one instance of something. The symbol ∃ is used as the existential quantifier. Existential quantifiers are normally used in logic in → conjunction with → predicate symbols, which say something about a → variable or → constant, in this case the variable being quantified (→ quantify, → quantification).

existential; → quantifier.

existentialism
  هستیال‌باوری، هستیال‌گرایی   
hastiyâl-bâvari, hastiyâl-gerâyi

Fr.: existentialisme   

A philosophical attitude associated especially with Heidegger, Jaspers, Marcel, and  Sartre, and opposed to → rationalism and  → empiricism, that stresses the individual's  unique position as a self-determining agent responsible for the authenticity of his or  her choices (Dictionary.com).

existential; → -ism.

existentialist
  هستیال‌باور، هستیال‌گرا   
hastiyâl-bâvar, hastiyâl-gerâ

Fr.: existentialiste   

An advocate of → existentialism.

existential; → -ist.

exit
  اسرفت   
osraft

Fr.: sortie   

A way or passage out.

From L. exit "he or she goes out," from exire "to go out," from → ex- "out" + ire "to go;" cf. Gk ion " going," neut. pr.p. of ienai "to go;" Pers. ây-, â- present stem of âmadan "to come;" O.Pers. aitiy "goes;" Av. ay- "to go, to come," aēiti "goes;" Skt. e- "to come near," eti "arrival;" Goth. iddja "went," Lith. eiti "to go;" Russ. idti "to go."

Osraft, from os-, → ex- "out," + raft, raftan "to go, walk," → entrance.

exit pupil
  مردمک ِ اسرفت   
mardomak-e osraft

Fr.: pupille de sortie   

In an → optical system, the → image of the → aperture stop formed by the elements following it. See also → entrance pupil.

exit; → pupil.

exo-
  برون-   
borun- (#)

Fr.: exo-   

Prefix meaning "outside; outer; external" used in the formation of compound words: exoplanet, exosphere, exocentric.

From Gk. exo "outside," used in forming scientific terms, → ex-.

Borun-, from borun "out, the outside" (Mid.Pers. bêron, from "outside, out, away" + rôn "side, direction;" Av. ravan- "(course of a) river").

exobiology
  برون‌زیست‌شناسی   
borun zistšenâsi

Fr.: exobiologie   

The study of life beyond the Earth's atmosphere, as on other planets; also → astrobiology.

exo-; → biology.

exoEarth
  برون‌زمین   
borun-zamin

Fr.: exoterre   

An → exoplanet similar to Earth.

exo- + → earth.

exolife
  برونزیست   
borunzist

Fr.: vie extraterrestre   

extraterrestrial life.

exo-; → life.

ExoMars
  اگزو-مارس   
ExoMars

Fr.: ExoMars   

A → European Space Agency (ESA) program to investigate the Martian environment and to demonstrate new technologies paving the way for a future Mars sample return mission in the 2020's. Two missions are foreseen: one consisting of an Orbiter plus an Entry, Descent and Landing Demonstrator Module (EDM), launched in 2016, and the other, featuring a rover, with a launch date of 2018. Both missions will be carried out in cooperation with Russia's Roscosmos space agency. The ExoMars program will demonstrate a number of essential flight and in-situ enabling technologies that are necessary for future exploration missions, such as an international Mars Sample Return mission. At the same time, a number of important scientific investigations will be carried out. The 2016 mission included a Trace Gas Orbiter (TGO) and an EDM. The Orbiter will carry scientific instruments to detect and study atmospheric trace gases, such as methane. The EDM will contain sensors to evaluate the lander's performance as it descends, and additional sensors to study the environment at the landing site. The 2018 mission includes a rover that will carry a drill and a suite of instruments dedicated to exobiology and geochemistry research.

ExoMars, short for "→ exobiology on → Mars."

<< < -es -iv -ti 21- A r abe abs abs acc acc acc act act ada adi adu aff age alc Alf ali all alp alt ama amp ana ang ang ann ano ant ant ape apo app aps arc Arg ari art ass ast ast ast atm ato att aur aut axi B r bac Bal Bar Bar Bay bec Ber Bet Bie bij bin bio bis bla bla blu blu bol Bor bou Bra bre bro Bug C-s cal Cam can car Car Cas cat cav cel cen cer Cha cha cha che cho cir cir cir 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 coo cor cor cor cos cos cos Cou cou Cra Cre cri cro cub cur cyc cyl dar dat daw de- Deb dec dec dee def deg del Den dep der det deu dew dic dif dif dil dip dir dis dis dis dis dis div dog Dop dou dra dua dus dwa dyn e-m ear ecl eco eff ein Ein elb ele ele ele ele Els emi emp ene enr env epi equ equ Eri est Euc eva evo exc exc exh exo exp exp ext ext f-n Fah fam fau fee Fer fib fil fin fir fix fle flu foc for for for fra fre fre fri fun fuz gal gal gal Gan gau GCN gen geo geo geo geo Gl glo gra gra gra gra gra gre gro GW1 hab hal han HAR haz hea hel hel Hen Her heu Hig Hil hol hop hor hou Hub Hum Hyd hyd hyd hyp hys ide ign ima imp imp inc inc ind ine inf inf inf inh INP ins ins int int int int Int int int int inv ion iri irr iso iso iso Jea Jos Jun K2 Kep key kin Kol lag lam Lan lar las lav lea leg len lev lig lim lin lin lin lis lob loc log lor low lum lun lun Lym Mac mag mag mag mag mag mai Mal mar mas mas mat max mea mea mee Men mer met met met mic mid Mil min Mir mix mod mod mol mon Mor mou mul muo mys nan nat nav nec Nep neu New New NGC nob nom non non nor not nuc nuc num Nyq obj obs obs oce oen OH omn opa ope opt opt opt orb ord Ori ort osc out ove oxy pal pan par Par par par pas pea Pen per per per per per pet pha pho pho pho phy pie Pit Pla pla pla pla ple Poi pol pol pol pol pop pos pos pow pre pre pre Pre pri pri pri pro pro pro pro pro pro Pro pub pul pyr qua qua qua qua Qui rad rad rad rad rad rad ram ran rat rea rec rec rec red ref ref reg reg rel rel rem rep res res res ret rev rho Rie rim riv rol Ros rot rul S a Sah san Sat sca Sch Sch scr sec sec sec sei sel sem sep set sha she sho sid sig sil sim sin sit sky slu sno sof sol sol sol sol sou sou spa spa spe spe spe sph spi spl spr sta sta sta sta sta ste ste sti sto str str sub sub sub sug sun sup sup sup sup sur syl syn sys tal Tay tel ten ter tex the the the thi tho thu tid tim tod top tot tra tra tra tra tri tri tro tru tur twi Typ UFO ult unc uni uni uni upg ura uti val var vec vel ver ver vig vir vis voc von wak Was wav wax wea wei whi Wie win WN6 wom X-r yel you zer zod > >>