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
unitary transformation
  ترادیس ِ یکایی، ~ یکانی   
tarâdis-e yekâyi, ~ yekâni

Fr.: transformation unitaire   

A transformation whose reciprocal is equal to its Hermitian conjugate.

unitary; → transformation.

unite
  آیکیدن، هم‌یکیدن   
âyekidan, ham-yekidan

Fr.: unir   

To join, combine, or incorporate so as to form a single whole or unit.

M.E. uniten, from L. unitus, p.p. of unire "to unite," from unus, → one.

Âyekidan, from â- nuance/strengthening prefix + yek, → one, + -idan infinitive suffix; ham-yekidan, from ham- "together," → syn-, + yekidan.

united
  آیکیده، هم‌یکیده   
âyekidé, ham-yekidé

Fr.: uni   

Formed by or resulting from the union of two or more persons or things.

P.p. of → unite.

unity
  یکی   
yeki (#)

Fr.: unité   

The state or condition of being one.
Math.: One.

M.E. unite, from O.Fr., from L. unitatem "oneness, sameness, agreement," from unus, → one.

Yeki, noun from yek, → one.

univariate
  یکورتا   
yekvartâ

Fr.: univarié   

Statistics: Involving only one variable.

uni-; → variate.

univariate time series
  سری ِ زمانی ِ یکورتا   
seri-ye zamâni-ye yekvartâ

Fr.: série temporelle univariée   

A sequence of measurements of the same variable collected over time. Most often, the measurements are made at regular time intervals.

univariate; → time; → series.

universal
  ۱) هرگانی؛ گیتیک، گیتیانه؛ جهانی؛ ۲) هرگانه   
1a) hargâni; 1b) gitik, gitiyâné (#); 1c) jahâni (#); 2) hargâné

Fr.: universal   

1a) Of, pertaining to, or characteristic of all or the whole; relating to, affecting, or including everyone in a group or situation.
1b) Of or pertaining to the → Universe, all nature, or all existing things.
2) A trait, characteristic, or property, as distinguished from a particular individual or event, that can be possessed in common, as the care of a mother for her young (Dictionary.com).
See also: → Coordinated Universal Time, → universal astrolabe, → universal gas constant, → universal IMF, → universal quantifier, → Universal Time.
Related concepts: → all, → general, → omni-, → public, → total.

universe; → -al.

universal astrolabe
  اسطرلاب ِ هرگانی   
ostorlâb-e hargâni

Fr.: astrolabe universel   

An → astrolabe which could be used at any → latitude.

universal; → astrolabe.

universal gas constant
  پایای ِ هرگانی ِ گاز‌ها   
pâyâ-ye hargâni-ye gâzhâ

Fr.: constante universelle des gaz   

Same as → gas constant.

universal; → gas; → constant.

universal IMF
   IMF ِ هرگانی   
IMF-e hargâni

Fr.: IMF universelle   

Same as → canonical IMF.

universal; → initial mass function.

universal quantifier
  چنداگر ِ هروین   
candigâr-e harvin

Fr.: quantificateur universel   

A symbol of → predicate logic which expresses that the statements within its scope are → true for everything, or every instance of a specific thing. The symbol ∀ "for all" is used as the universal quantifier. Universal 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.

universal; → quantifier.

Universal Time (UT)
  زمان ِ جهانی   
zamân-e jahâni

Fr.: temps universel   

A measure of time that conforms, within a close approximation, to the mean diurnal motion of the Sun and serves as the basis off all civil timekeeping. The local civil time for a position on the Greenwich meridian.

universal; → time.

Universal Time Coordinated
  زمان ِ جهانی ِ همرایانیده   
zamân-e jahâni-ye hamrâyânidé

Fr.: temps universel coordonné   

Sale as → Coordinated Universal Time (UTC).

Coordinated Universal Time (UTC).

universality
  هرگانیگی   
hargânigi

Fr.: universalité   

The character or state of being universal.

universal; → -ity.

universality of free fall
  هرگانیگی ِ افت ِ آزاد   
hargânigi-ye oft-e âzâd

Fr.: universlité de chute libre   

Same as → weak equivalence principle.

universality; → free; → fall.

universality of the IMF
  هرگانی ِ کریای ِ آغازین ِ جرم   
hargâni-ye karyâ-ye âqâzin-e jerm

Fr.: universalité de l'IMF   

The hypothesis whereby there exists a universal parent → distribution function which describes the stellar → initial mass function in individual star forming events. A consensus appears to have emerged in the community that the stellar IMF is largely invariant for star formation conditions as are found throughout the Local Group of galaxies at the present time. For details and discussion see Pavel Kroupa (2012), Recent advances on IMF research, arXiv.org/abs/astro-ph/1210.1211, and references therein.

universality; → initial mass function.

universe
  ۱) گیتی؛ ۲) هرگان   
1) giti (#); 2) hargân

Fr.: univers   

1) The totality of all matter and energy that exists in the vastness of cosmos whether known to human beings or not. Related concepts: → world, → cosmos, → multiverse.
2a) Math.: A → set made of → subsets that contains all the elements relevant to a particular discussion or problem.
2b) Statistics: The entire population under study.
See also: → all, → general, → omni-, → public, → total.

M.E., from O.Fr. univers, from L. universum "the universe," noun use of neuter of adj. universus "all together," literally "turned into one," from unus, → one, + versus, p.p. of vertere "to turn," akin to Pers. gar-, gardidan "to turn, to change" (Mid.Pers. vartitan; Av. varət- "to turn, revolve;" cf. Skt. vrt- "to turn, roll," vartate "it turns round, rolls;" L. vertere "to turn;" O.H.G. werden "to become;" PIE base *wer- "to turn, bend").

1) Giti "world, material world, time," variants jahân, keyhân, geyhân "world;" Mid.Pers. gêhân "world," gêtig "the material world; wordly;" Av. gaēθā- "being, world, matter, mankind," gaya- "life, manner of living", root gay- "to live" (present tense jiva-), O.Pers. gaiθā- "live-stock," cognate with Skt. jīv- "to live," jīva- "alive, living;" Gk. bios "life," L. vivus "living, alive," vita "life;" PIE base *gwei- "to live" (cf. O.E. cwic "alive;" O.C.S. zivo "to live;" Lith. gyvas "living, alive;" O.Ir. bethu "life," bith "age;" Welsh byd "world"). The Pers. words zistan "to live," zendé "alive," zendegi "life," and jân "vital spirit, soul; mind" belong to this family.
2) Hargân, from har "every, all, each," → holo-, + -gân suffix forming plural entities, from Mid.Pers. -gânag, -gâna, on the model of hamegân, → public.

university
  دانشگاه   
dânešgâh (#)

Fr.: université   

An institution of higher education composed of several faculties for teaching and research and authorized to grant academic degrees.

M.E., from O.Fr. universitei, from M.L. universitatem (nominative. universitas), in L.L. "corporation, society," from L., "the whole, aggregate," from universus "whole, entire," → universe.

Dânešgâh, from dâneš, → science, + -gâh "place; time" (Mid.Pers. gâh, gâs "time;" O.Pers. gāθu-; Av. gātav-, gātu- "place, throne, spot;" cf. Skt. gâtu- "going, motion; free space for moving; place of abode;" PIE *gwem- "to go, come").

univocal
  یکواز   
yekvâz

Fr.: univoque   

1) Having one meaning only.
2) A word or term that has only one meaning

L.L. univocus, from L. → uni- + voc-, vox, → voice. "voice,"

univocity
  یکوازی   
yekvâzi

Fr.: monosémie   

The character of being → univocal. Same as → monosemy.

univocal; → ity.

<< < -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 > >>