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
predatory
  چَوَنده   
cavandé

Fr.: prédateur   

1) Of, or relating to a predator.
2) Living by preying on other living animals.

Agent noun from → prey.

predicate
  ۱) فراسن؛ ۲) فراسندن   
1) farâsan; 2) farâsandan

Fr.: prédicat   

1a) Grammar: The part of a → sentence or → clause stating something about the → subject and usually consisting of a → verb. For example, in the sentence "The man opened the door," the subject is "the man" and the predicate is "opened the door."
1b) Logic: Something which is affirmed or denied concerning the subject in a → proposition.

1c) Math.: A → function whose values are statements about n-tuples of objects forming the values of its → arguments. For n =1 a predicate is called a "property" , for n> 1 a → relation; propositions may be regarded as zero-place predicates (encyclopediaofmath.org).
2a) To state, affirm, or assert (something) about the subject of a proposition.
2b) To make (a term, expression, etc.) the predicate of a proposition.

M.E., from M.Fr. predicat, from L. praedicatus "declared, proclaimed," p.p. of praedicare, from prae "beforehand," → pre-, + dicare "proclame," from stem of dicere "to speak, to say," from PIE root *deik- "to point out, to show," cognate with Pers. dis, → form, and andišidan, → think.

Farâsan from farâ- "before; toward, along; above, upon, over," → pro-, + san Proto-Ir. *sanh- "to declare, explain," related to soxan, → speech and pâsox, → response, sahân, → sentence.

predicate logic
  گوییک ِ فراسنی، ~ فراسنها   
guyik-e farâsani, ~ farâsanhâ

Fr.: logique des prédicats   

The generic term for systems of → formal logic like → first-order logic and → second-order logic. Predicate logic contains → variables which can be quantified (→ quantify, → quantification).

predicate; → logic.

predicate symbol
  نماد ِ فراسن   
nemâd-e farâsan

Fr.: symbole de prédicat   

In a → formal language, a letter used to describe a → predicate or → relation. Also called → relation symbol.

predicate; → symbol.

prefer
  بهزونیدن   
behzunidan

Fr.: préférer   

To like better or value more highly.

M.E. preferre, from O.Fr. preferer and directly from L. praeferre "to place or set before, carry in front," from prae "before," → pre-, + ferre "to carry, to bear," from PIE root *bher- "to carry;" cf. Pers. bordan "to carry, bear," → refer.

Behzunidan, literally "to value highly, to consider better," from beh "good, fine," → optimum, + zun, variant of dân-, dânestan "to know, consider," cf. Tâti zun/zund "to know," Khunsâri zûn-/zûnâ, Mahallâti zôn-, Semnâni -zûn-, Hamedâni zunayän/zun- , Esfahâni zunän/zun-, Yarandi zônâj-/zôn-, Gazi zûn-/zûnâšt; Av. zān- "to know," → science.

preferable
  بهزونیدنی   
behzunidani

Fr.: préférable   

Worthy to be preferred; more desirable.

prefer; → -able.

preference
  بهزونه   
behzuné

Fr.: préférence   

1) Act of → preferring.
2) That which is preferred.

prefer; → -ence.

prefix
  پیشوند   
pišvand (#)

Fr.: préfixe   

An → affix that is placed before a base to denote a modified meaning or make another word.

pre-; → affix.

preflash
  پیش‌درخش   
pišderaxš

Fr.: préflash   

Carefully chosen uniform exposure of a detector. For CCD this can be used to overcome the deferred charge phenomenon; in photography this helps bring dim images to a comfortably high density.

pre- + → flash.

prehend
  نوتیدن   
nutidan

Fr.: préhender   

1) Philosophy: To apprehend with or without conscious formulation or cognition of the perceived object; to interact in time and space with an object or event (Oxford Dictionary, lexico.com).
2) (obsolete) To sieze.

From L. prehendere "to seize," from prae- "before," → pre-, + -hendere , from PIE root *ghend- "to seize, take," root of Gk. khandanein "to hold, contain;" Lith. godetis "be eager;" Welsh gannu "to hold, contain;" Russian za-gadka "riddle;" Old Norse geta "to obtain, reach; to be able to;" E. get.

Nutidan, from nut-, from Yaghnobi nôta "to take," from Sogd. niyât "to take, grasp," from Proto-Ir. *ni-yāta-, from *iam- "to take, to hold;" cf. Av. yam- (yās-) "to hold, keep;" O.Pers. yas- "to strech, reach out;" Skt. yam- "to hold, restrain" (Cheung 2007).

prehension
  نوتش   
nuteš

Fr.: préhension   

1) Zoology Psychology: The action of grasping or seizing.
2) Philosophy: An interaction of a subject with an event or entity which involves perception but not necessarily cognition (Oxford Dictionary, lexico.com).

Verbal noun of → prehend.

preliminary
  پیشاستانی   
pišâstâni

Fr.: préliminaire   

Preceding and leading up to the main part, matter, or business; introductory; preparatory (Dictionary.com).

From Fr. préliminaire, from M.L. praeliminaris, from L. prae- "before," → pre-, + limen "threshold."

Pišâstâni, literally "before the threshold," from piš, → pre-, + âstâni, of or pertaining to âstân, → threshold.

premise
  پیشپایه   
pišpâyé

Fr.: prémisse   

Logic: An initial → proposition or statement that is known or assumed to be → true and on which a logical → argument is based.

From M.E. premiss, from O.Fr. premisse, from M.L. premissa (propositio) "(the proposition) set before," feminine p.p. of L. praemittere "send or put before," from prae "before," → pre-, + mittere "to send," → mission.

Pišpâyé, from piš-, → pre-, + pâyé, → base.

preon
  پرءون   
preon

Fr.: préon   

In → particle physics, any of postulated "point-like" particles from which are composed → quarks and → leptons. In other words, preon models assume there is a more fundamental kind of particle than those so far known. Different preon models consider different numbers and different natures of the preons.

Coined by Jogesh Pati and Abdus Salam in 1974, from → pre- + → -on.

preplanetary nebula (PPN)
  پیش-میغ ِ سیاره‌ای   
piš-miq-e sayyâre-yi

Fr.: pré-nebuleuse planétaire   

A short-lived transition object between the → asymptotic giant branch (AGB) and → planetary nebula phases. See also → post-asymptotic giant branch star (post-AGB).

pre-; → planetary; → nebula. The more commonly used term, → protoplanetary nebula, is a misnomer and must be avoided. Indeed → protoplanetary is widely used to refer to disks around → pre-main sequence stars. Since the term → protoplanet is used to denote planets undergoing formation, the use of the term "protoplanetary nebula" to mean a completely different kind of object is an unfortunate choice (Sahai et al. 2005, ApJ 620, 948).

preposition
  پیشهل   
pišhel

Fr.: préposition   

A word used with a noun or pronoun to mark its relation with another word.

From L. praepositionem "a putting before," from praepositus, p.p. of praeponere "put before," from prae "before," → pre-, + ponere "put, set, place," → position.

Pišhel, from piš-, "before," → pre-, + hel-, helidan, heštan "to place, put," → leap.

preprint
  پیش‌چاپ   
pišcâp

Fr.: pré-publication   

An advance printing, usually of an article in a periodical.

pre-; → print.

prescientific
  پیشدانشی   
pišdâneši

Fr.: préscientifique   

Relating to a stage or time prior to the rise of modern science and to the application of the → scientific method.

pre-; → scientific.

prescribe
  پیش‌وشتن، پیش‌ویسیدن   
pišveštan, pišvisidan

Fr.: prescrire   

1) To lay down, in writing or otherwise, as a rule or a course of action to be followed; appoint, ordain, or enjoin.
2) Medicine: To designate or order the use of a medicine, remedy, treatment, etc. (Dictionary.com).

pre-; + scribe, → inscribe.

prescription
  پیش‌وشت   
pišvešt

Fr.: prescription, ordonnance   

1) An act of prescribing.
2) A direction, usually written, by the physician to the pharmacist for the preparation and use of a medicine or remedy. The medicine prescribed (Dictionary.com).

Verbal noun of → prescribe; → -tion.

<< < -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 > >>