An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1068
positive skewness
  کژالی ِ داهیدار   
kažâli-ye dâhidâr

Fr.: asymétrie positive   

Of a distribution function, a skewness in which the right tail (tail at the large end of the distribution) is more pronounced than the left tail (tail at small end of the distribution). → negative skewness.

positive; → skewness.

positiveness
  داهیداری   
dâhidâri

Fr.: positivité   

The quality or state of being positive; positivity.

positive + → -ity.

positivism
  داهیدارباوری   
dâhidârbâvari

Fr.: positivisme   

Any doctrine that excludes a priori affirmations and admits only positive truth, i.e. factual knowledge gained through observation.

From Fr. positivisme, from positif, → positive, in its philosophical sense of "imposed on the mind by experience;" → -ism.

positron
  پوزیترون   
pozitron

Fr.: positron   

The → antiparticle of the → electron, which has the same → mass, → spin, and → electric charge as the electron, but the charge is → positive. Positrons may be generated by → radioactive decay or by → pair production from energetic → gamma ray photons.

From posi(tive), → positive + (elec)tronelectron.

positronium
  پوزیترونیوم   
pozitroniom

Fr.: positronium   

A short-lived bound state of a positron and an electron.

From → positron + -ium (as in barium, titanium), from N.L., from L. neuter suffix.

possess
  دارشتیدن   
dâreštidan

Fr.: posseder   

1) To have as belonging to one; have as property; own.
2) To have as a faculty, quality, or the like.
3) Of a spirit, especially an evil one) to occupy, dominate, or control (a person) from within (Dictionary.com).

M.E. possesen, from M.Fr. possesser, "to have and hold, take, be in possession of," from L. possess-, p.p. stem of possidere "to have and hold, be master of, own," probably a compound of potis "having power, powerful, able," from PIE root *poti- "powerful; lord;" from which also derived Skt. patih "master, husband," Gk. posis, Lithuanian patis "husband" + sedere, from PIE root *sed-, "to → sit."

Dâreštidan, infinitive and back formation from dârešt, → possession.

possession
  دارشت   
dârešt

Fr.: possession   

1) The act or fact of possessing; the state of being possessed.
2) A thing possessed (Dictionary.com).

possess; → -tion.

Dârešt, verbal noun of dâštan "to have, possess" (on the model of konešt, from kardan; xoršt, from xordan; bâlešt, from bâlidan; râmešt, from râmidan; (Lori) zenešt, from zadan; (Nowdân, Fârs) perešt, from paridan); Mid.Pers. dâr-, dâštan "to have, hold, preserve;" O.Pers./Av. dar- "to hold, keep back, maintain, keep in mind;" Skt. dhr- "to hold, keep, preserve," dharma- "what is established or firm; law;" Gk. thronos "elevated seat, throne," L. firmus "firm, stable," Lith. daryti "to make," PIE *dher- "to hold, support."

possessive
  دارشتی   
dârešti

Fr.: possession   

1) Of or relating to possession or ownership.
2) having or showing an excessive desire to possess, control, or dominate.
3) Denoting an inflected form of a noun or pronoun used to convey the idea of possession, association, etc.; the possessive case (Dictionary.com).

possess; → -tion.

possessive case
  کاته‌ی ِ دارشتی   
kâte-ye dârešti

Fr.: genetif   

Same as → genitive case.

possessive; → case.

possibility
  شاینی   
šâyani

Fr.: possibilité   

The state or fact of being possible. Something possible.

M.E. possibilite, from L.L. possibilitas, → possible + → -ity.

Šâyani, from šâyan, → possible.

possible
  شاین   
šâyan

Fr.: possible   

1) Capable of happening or likely to happen in the future.
2) Capable of being real, present, or true.

M.E., from L. possibilis "that may be done," from posse "to be able" + -ibilis "-able."

Šâyan, from Mid.Pers. šâyan "possible," from stem šây- "to be able, possible, to be worthy," relatd to Pers. šâyad "perhaps" (literally, "it is fitting"), šâyestan "to be appropriate," šâyân "fitting, suitable, possible;" šâh "king;" Zazaki šinây, šâyiš "to be able;" Gazi šâ- "to be able;" Abyâne-yi) ešö/šo-; Naini šâ/ši- "to be able;" Av. xša- "to be able; rule."

post
  ۱) برنما؛ ۲) برنمودن، برنما کردن   
1) barnemâ; 2) barnemudan, bernemâ kardan

Fr.: 1) affiche; 2) afficher   

1a) An online message that is submitted to a message board or electronic mailing list.
1b) Text, images, etc., that are placed on a website.
2a) To affix (a notice, bulletin, etc.) to a post, wall, or the like.
2b) To place (text, images, etc.) on a website (Dictionary.com).

M.E., from O.E. post "pillar, doorpost," and O.Fr. post "post, upright beam," both from L. postis "post, doorpost."

Barnemâ, literally "display, show off," from bar- "on; up; upon; in," → on-, + nemâ, present stem of nemudan "to show," → display.

post-
  پسا-، پس-   
pasâ- (#), pas- (#)

Fr.: post-   

A prefix, meaning "behind, after, later, subsequent to, posterior to."

From L. post (adverb and preposition) "behind, after, afterward," cognate with Gk. (Arcadian and Cyprian dialects) pos "toward, on, at;" Skt. paśca "behind, after, later."

Pasâ-, from pas "behind" (e.g.: pas-e pardé "behind the curtain"), variant pošt "back; the back; behind;" Mid.Pers. pas "behind, before, after;" O.Pers. pasā "after;" Av. pasca "behind (of space); then, afterward (of time);" cf. Skt. paścā "behind, after, later;" L. post, as above; O.C.S. po "behind, after;" Lith. pas "at, by;" PIE *pos-, *posko-.

post-asymptotic giant branch star (post-AGB)
  ستاره‌ی ِ پسا-شاخه‌ی ِ غولان ِ ناهمساوی   
setâre-ye pasâ-šâxe-ye qulân-e nâhamsâvi

Fr.: étoile post-asymptotique   

A star in a short-lived evolutionary stage evolving from the → asymptotic giant branch toward higher → effective temperatures. The majority of low and intermediate mass stars (1 to 8 → solar masses) are believed to pass through this stage on their way to becoming → planetary nebulae.

post-; → asymptotic giant branch.

post-main sequence star
  ستاره‌ی ِ پسا-رشته‌ی ِ فریست   
setâre-ye pasâ-rešte-ye farist

Fr.: étoile post séquence principale   

A star that has evolved off the → main sequence.

post-; → main sequence; → star.

post-Newtonian expansion
  سپانش ِ پسا-نیوتنی   
sopâneš-e pasâ-Newtoni

Fr.: développement post-newtinien   

post-Newtonian formalism.

post-; → Newtonian; → expansion.

post-Newtonian formalism
  دیسه‌گرایی ِ پسا-نیوتنی   
disegerâyi-ye pasâ-Newtoni

Fr.: formalisme post-newtonien   

An approximate version of → general relativity that applies when the → gravitational field is → weak, and the matter → velocity is → small. Post-Newtonian formalism successfully describes the gravitational field of the solar system. It can also be applied to situations involving compact bodies with strong internal gravity, provided that the mutual gravity between bodies is weak. It also provides a foundation to calculate the → gravitational waves emitted by → compact binary star systems, as well as their orbital evolution under radiative losses. The formalism proceeds from the Newtonian description and then, step by step, adds correction terms that take into account the effects of general relativity. The correction terms are ordered in a systematic way (from the largest effects to the smallest ones), and the progression of ever smaller corrections is called the → post-Newtonian expansion.

post-; → Newtonian; → formalism.

post-nova
  پسا-نو-اختر   
pasâ-now-axtar

Fr.: post-nova   

The stage following a nova outburst, when the star has returned to a quiescent state.

post-; → nova.

post-planetary nebula star
  ستاره‌ی ِ پسا-میغ ِ سیاره‌ای   
setâre-ye pasâ-miq-e sayyâre-yi

Fr.: étoile post-nébuleuse planétaire   

An evolved star whose → planetary nebula has dissipated.

post-; → planetary; → nebula; → star.

postmodernism
  پسا-نوین‌گرایی   
pasâ-novingerâyi

Fr.: post-modernisme   

Any of a number of trends or styles in architecture, philosophy, literature, and art developed in the latter part of the 20th century often in reaction to → modernism. In philosophy, postmodernists claim that value systems are concoctions of human partial knowledge rather than systems reflecting universal objective truth. The most influential early postmodern philosophers include Jean Baudrillard, Jean-François Lyotard, and Jacques Derrida.

The term postmodernism was first coined by architects to designate an architectural response against the earlier Bauhaus style, which was characterized by box-like apartment buildings, the absence of ornamentation and harmony between the function of a building and its design; → post- + → modernism.

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