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: 13009 Search : far
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, → describe.

prescription
  پیش‌وشت، پیش‌ویس   
pišvešt, pišvis

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.

prescriptive
  پیش‌وشتی، پیش‌ویسنده   
pišvešti, pišvisandé

Fr.: normatif   

1) That prescribes; giving directions or injunctions.
2) Depending on or arising from effective legal prescription, as a right or title established by a long unchallenged tenure (Dictionary.com).

prescribe; → -ive.

presence
  پیشاستی   
pišâsti

Fr.: présence   

The state or fact of being present.

Noun from → present.

present
  ۱) پیشاست، باشنده؛ ۲، ۳) پیشاست، کنون، کنونی   
1) pišâst, bâšandé; 2, 3) pišâst, konun, konuni

Fr.: présent   

1) Being, existing, or occurring at this time or now.
2) At this time; at hand; immediate.
3) Grammar: Noting an action or state occurring at the moment of speaking.

M.E., from O.Fr. present, from L. præsentem (nominative præsens) "present, immediate," from pr.p. of præesse "to be before, to be at hand," from præ- "before," → pre-, + esse "to be;" cf. Pers. ast "is," hastan, astan "to be;" O.P. ah- "to be," astiy "is;" Av. ah- "to be," astī "is;" Skt. as- "to be," ásti "is;" Gk. esti "is;" PIE base es- "to be."

Pišâst, on the model of L. præesse, as above, from piš, → pre-, + epenthetic -â- + ast "is," variants hast, hi, has (Qâyen), isâ (Rašt), a (Aftar), heye (Kurd.); Av./O.Pers. ah- "to be," Proto-Ir. *Hah- "to be," → existence.
Bâšandé agent noun from budan "to be;" → condition.
Konuni "presently," from konun, aknun "now, present," from *hak-nun, from *hak-, cf. Av. hakat- "at once, immediately" + nū- "now" (Mid/Mod.Pers. nun "now, at present"); Av. nūrəm "now;" O.Pers. nūram "now;" Skt. nú- "now, just, but," nūnám "now, at present, indeed;" Gk. nun "now;" L. nu- "now" (in nu-dis "the day after tomorrow"); Goth. nu "now;" O.E. nu; E. now; PIE base *nu- "now."

present day
  امروز   
emruz (#)

Fr.: époque actuelle, aujourd'hui   

Same as → present epoch, → today, → current cosmological epoch.

present; → day.

present epoch
  زیمه‌ی ِ کنونی   
zime-ye konuni

Fr.: époque actuelle   

Same as → present day, → today, → current cosmological epoch.

present; → epoch.

<< < -es -iv -ti 21- a p abe abs abs acc acc acc act act ada adi ads aes Age Alb Alf ali all alp alt ama amp ana ang ang ann ano ant ant ape apo app app arb are ari art ass ast ast ast Atl ato ato Aug aut awa azi bac bal Bar Bar Bay bea Bep Bet BIC bij bin bio bir bla bla blu blu bol Boo bou Bq bre bri bub B[e cal cal can car car Cas cat cau cel cen Cer cha cha cha che chi CI cir cir cla cle clo clu co- cob 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 cov cra cri cro cry cum cur cyc d'A dar dat DC dea dec dec dec def def deh Del den dep des det deu dia dif dif dif dim dip Dir dis dis dis dis dis div dom dos dou dri Dum dus dyn dyn ear eas ecl Edd eff Ein eje ele ele ele ele eli emb emi Enc ene ens eph epo equ equ eru eth Eul eve evo exc exc exi exo exp exp ext ext Fab fai Fan fea fem fer fie fil fir fir fla flo flu foc For for fos fra fre fre fro fun g m Gal gal gal gas gau gel gen geo geo geo gho gla gno gra gra gra gra Gre Gre gro gyr had hal har Har HD hea hel hel Her Her Hic hig hip hol hor hos hov Hub hun hyd hyd Hyd hyp IC ide ill ima imp imp inc inc ind ind inf inf inf inf inj ins ins int int int int int int int int inv inv ion iro Isl iso iso Jac jet jud jur kel Kep kil Kle 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 Mei Mer 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 oxi pai pan par par par par pas pea pen per per per per Per pet pha Pho pho pho pho Pic Pis Pla pla pla pla Ple poa pol pol pol pol pop pos pos pow pra pre pre pre pri pri pri pro pro pro pro pro pro pro Pto pul puz qua qua qua qua qui rad rad rad rad rad rad rai ran rar Ray rea Rea rec rec red red ref ref reg rel rel rel rep res res res res ret Rhe rid rig ris Roe Ros rot rub rut Sag sam sat sca sca Sch sci sea sec sec see sel sem sen ser Sgr sha shi sho sid sig sim sin Sir ske sli smo soc sol sol sol sol sol sou sou spa spe spe spe spe sph spi spl spu sta sta sta sta sta ste ste sti sto str Str sub sub sub sul sup sup sup sup sur sus sym syn sys Tam Tay tel ten Ter Tha the the the thi thr tib tid tim tok Tor tot tra tra tra tra Tri tri tro tru tur twi Typ ufo ult unc uni uni uni upl ura uti val var vec vel ver ver vil vir vis voc von wak Was wav wax wea wei whi Wie win WN6 wom X-r yea You zer zod > >>