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
executive
  ۱) زکارشی؛ ۲) زکارگر   
1) zokâreši; 2) zokârgar

Fr.: exécutif   

1a) Of, pertaining to, or suited for carrying out plans, duties, etc.
1b) Pertaining to or charged with the execution of laws and policies or the administration of public affairs.
2a) A person or group of persons having administrative or supervisory authority in an organization.
2b) The person or persons in whom the supreme executive power of a government is vested (Dictionary.com).

execute; → -ive.

executor
  زکارنده   
zokârandé

Fr.: exécuteur   

A person who executes, carries out, or performs some duty, job, assignment, artistic work, etc. (Dictionary.com).

execute; → -or.

Exeligmos
  چرخگرد   
Carxgard

Fr.: exeligmos   

A period of three → Saros cycles, that is 54 years and 34 days (19,755.96 days) that can be used to predict successive → eclipses with similar properties and location. As the Saros cycle is a period of about 6.585 1/3 days, the 1/3 day means that after 223 → lunar months all eclipses are shifted by about 8 hours (or by about 120° in longitude). Exeligmos contains a whole number of → synodic months (669), it also contains a whole number of → anomalistic months (717), and → draconistic months (726). So, after one exeligmos, the Moon will again be near the same node of its orbit. Thus we have a very good chance of finding an eclipse. Moreover, since an exeligmos also contains a whole number of days, the eclipse will even occur at about the same time of day as before. But because the Moon moves 32° in mean longitude, over and above complete cycles, during an exeligmos, the second eclipse will occur approximately one zodiac sign farther east than did the first one (James Evans & J. Lennart Berggren, Geminos's Introduction to the Phenomena, A Translation and Study of Hellenistic Survey of Astronomy, 2006, Princeton Univ. Press).

Exeligmos, Gk. "turn of the wheel."

Carxgard "turn of the wheel," from carx, → wheel, + gard "turn," → revolve.

exercise
  ۱) آورژش؛ ۲) آورژیدن   
1) âvaržeš 1) âvaržidan

Fr.: 1) exercise; 2) exercer   

1a) Something done or performed as a means of practice or training.
1b) A putting into action, use, operation, or effect.
2a) To put (faculties, rights, etc.) into action, practice, or use.
2b) To put through exercises, or forms of practice or exertion, designed to train, develop, condition, or the like (Dictionary.com).

M.E., from M.Fr. exercice, from L. exercitium "training, exercise" (of soldiers, horsemen, etc.); from → ex- "off" + arcere "keep away, prevent, enclose."

Âvaržeš, verbal noun from Âvaržidan, from prefix â- + varž, "work," variant of varz, → practice, + infinitive suffix -idan.

exert
  بلیزیدن   
balizidan

Fr.: exercer   

To apply or put forth, as strength.

From L. ex(s)ertus, p.p. of exserere "to thrust out, put forth," from → ex- "out," + serere "to bind together."

Balizidan, from Kurd (Kurm.) bil "work," bilîn "to work," variant of varz, → practice, + infinitive suffix -idan.

exertion
  بلیزش   
balizeš

Fr.: effort; exercice   

1) Vigorous action; physical or mental effort.
2) The application or exercise of force, power, or faculties.

exert; → -tion.

exhaust
  هلنجیدن   
halanjidan

Fr.: épuiser   

1) To drain of strength or energy, wear out, or fatigue greatly, as a person.
2) To use up or consume completely; expend the whole of.
3) To empty by drawing out the contents; to create a vacuum in.
4) To draw out all that is essential in (a subject, topic, etc.); treat or study thoroughly (Dictionary.com).

L. exhaustus, p.p. of exhaurire "to draw off, take away, use up, empty," from → ex- "off" + haurire "to draw up" (as water), from PIE *heusio- "to scoop."

Halanjidan, from Sorâni Kurd. halenjidan "to draw water," variants hanjidan, âxtan, âhixtan, âhiz-, hanjidan, lenj- "to draw, to pull" Mid.Pers. âhynj- "to draw up," other Pers. cognate sanjidan, farhang, nehang, etc.; ultimately from prefixed (*a-) Proto-Ir. *θanj- "to pull, draw;" Av. θanj- "to pull, to draw."

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.

<< < -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 > >>