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: 1026
perchlorate
  پرکلرات   
perklorât (#)

Fr.: perchlorate   

Any salt of perchloric acid.

per-; → chlorate.

perchloric acid
  اسید پرکلریک   
asid perklorik (#)

Fr.: acide perchlorique   

A colorless liquid, HClO4, that reacts explosively with organic matter or other reducible materials.

perchlorate; → -ic; → acid.

perfect
  ۱) فرساخت، فرساز؛ ۲) فرساختن   
1) farsâxt, farsâz; 2) farsâxtan

Fr.: 1) parfait; 2) parfaire   

1a) Corresponding to an ideal standard or abstract concept.
1b) Exactly fitting the need in a certain situation or for a certain purpose.
2) To bring to perfection or completion. See also: → perfect cosmological principle, → perfect cube, → perfect gas, → perfect lens, → perfect number, → perfect power, → perfect set, → perfect square.

From M.E. parfit, from O.Fr. parfit, from L. perfectus "completed," p.p. of perficere "accomplish, finish, complete," from per- "through, thoroughly, utterly, very" + facere "to make, do, perform;" cognate with Pers. dâdan "to give" (O.Pers./Av. dā- "to give, grant, yield," dadāiti "he gives;" Skt. dadáti "he gives;" Gk. tithenai "to place, put, set," didomi "I give;" L. dare "to give, offer;" Rus. delat' "to do;" O.H.G. tuon, Ger. tun, O.E. don "to do;" PIE base *dhe- "to put, to do").

Farsâxt, farsâz, literally "thorougly made," from far- intensive prefix "much, abundant; elegantly" (Mid.Pers. fra- "forward, before; much; around;" O.Pers. fra- "forward, forth;" Av. frā, fərā-, fra- "forward, forth; excessive;" cf. Skt. prá- "before; forward, in fron;" Gk. pro "before, in front of;" L. pro "on behalf of, in place of, before, for;" PIE *pro-) + sâxt, sâz "made," short for sâxté, sâzidé "made; make, construction, structure; style," present stem of sâxtan, sâzidan "to build, make, fashion; to adapt, adjust, be fit" (from Mid.Pers. sâxtan, sâz-, Manichean Parthian s'c'dn "to prepare, to form;" Av. sak- "to understand, to mark," sâcaya- (causative) "to teach").

perfect cosmological principle
  پروز ِ کیهان‌شناسیک ِ فرساخت   
parvaz-e keyhânšenâsik-e farsâxt

Fr.: principe cosmologique parfait   

The → assumption, adopted by the → steady-state theory, that all observers, everywhere at all times, would view the same large-scale distribution of matter in the → Universe in all regions and in every direction. In contrast to the → cosmological principle, the perfect cosmological principle adds the assumption that the Universe does not change with time on the large scale.

perfect; → cosmological; → principle.

perfect cube
  کاب ِ فرساخت   
kâb-e farsâxt

Fr.: cube parfait   

An → integer of the form n3, where n is a → positive number. In other words, a → perfect power when k = 3.

perfect; → cube.

perfect gas
  گاز ِ فرساخت   
gâz-e farsâxt

Fr.: gaz parfait   

A hypothetical gas with molecules of negligible size that exert no intermolecular forces. Also called → ideal gas.

perfect; → gas.

perfect lens
  عدسی ِ فرساخت   
adasi-ye farsâxt

Fr.: lentille perfaite   

A theoretical, ideal lens capable of producing perfect images. Used as a lens design and analysis tool to image collimated output from an afocal system.

perfect; → lens.

perfect number
  عدد ِ فرساخت   
adad-e farsâxt

Fr.: nombre parfait   

An → integer that is equal to the → sum of its → positive  → divisors, not including itself. For example 6, because its positive divisors are 1, 2, and 3, and 1 + 2 + 3 = 6. Two other examples are 28 and 496.

perfect; → number.

perfect power
  توان ِ فرساخت   
tavân-e farsâxt

Fr.: puissance parfaite   

A → positive integer that can be expressed as an integer → power of another positive → integer. For example, n is a perfect power if there exist natural numbers m> 1, and k> 1 such that mk = n. → perfect cube, → perfect square.

perfect; → power.

perfect set
  هنگرد ِ فرساخت   
hangard-e farsâxt

Fr.: ensemble parfait   

A set P is called perfect if P = P', where P' is the derived set of P.

perfect; → set.

perfect square
  چاروش ِ فرساخت   
câruš-e farsâxt

Fr.: carré parfait   

An → integer of the form n2, where n is a → positive number. In other words, a → perfect power when k = 2.

perfect; → square.

perfectible
  فرساختنی، فرساخت‌پذیر   
farsâxtani, farsâxtpazir

Fr.: perfectible   

Capable of becoming or of being made perfect.

perfect; → -able.

perfection
  فرساختگی، فرسازش   
farsâxtegi, farsâzeš

Fr.: perfection   

The state or quality of being or becoming perfect.

perfect; → -tion.

perfectionism
  فرساختگرایی، فرساختگری   
farsâxtgerâyi, farsâxtgari

Fr.: perfectionisme   

1) Any of various doctrines holding that religious, moral, social, or political perfection is attainable.
2) A personal standard, attitude, or philosophy that demands perfection and rejects anything less (Dictionary.com).

perfection; → -ism.

perfectionist
  فرساختگرا، فرساختگر   
farsâxtgerâ, farsâxtgar

Fr.: perfectioniste   

1) A person who adheres to or believes in → perfectionism.
2) A person who demands perfection of himself, herself, or others (Dictionary.com).

perfection; → -ist.

perform
  پرگالیدن   
pergâlidan

Fr.: exécuter, accomplir   

1) To carry out; → execute; do.
2) To go through or execute in the proper, customary, or established manner (Dictionary.com).

M.E. parformen, from Anglo-Fr. performer, from O.Fr. parfornir "to do, carry out, finish, accomplish," from par- "completely," → per-, + fornir "to provide."

Pergâlidan, from Kurd. (Sanandaj) pergâl "work, doing; order, command," ultimately from Proto-Ir. *parikar-, from *pari- "through, throughout; thoroughly" (O.Pers. pariy "around, about;" Av. pairi "around, over") + *kar- "to do;" Pers. kar-, variants kâr, gar, gâr, → work.

performance
  پرگال   
pergâl

Fr.: 1, 3) représentation, interprétation; 2) fonctionnement, performance; exécution   

1) The act of performing a ceremony, play, piece of music, etc.
2) The execution or accomplishment of work, acts, feats, etc.
3) A musical, dramatic, or other entertainment presented before an audience (Dictionary.com).

perform; → -ance.

performative
  ۱) پرگالی؛ ۲) واپش ِ پرگالنده   
1) pergâli; 2) vâpeš-e pergalandé

Fr.: 1) performatif; d'interprétation; 2) performativité   

1) Relating to or of → performance, especially of dramatic or artistic performance.
2) A → performative utterance.

perform; → -ive.

performative utterance
  واپش ِ پرگالنده   
vâpeš-e pergâlandé

Fr.: performativité   

A sentence or expression which is not only describing a given reality, but actually does or accomplishes something. For example "I now declare you husband and wife" (when uttered by the authorized officiator during a marriage ceremony).

performative; → utterance.

performer
  پرگالگر، پرگالنده   
pergâlgar, pergâlandé

Fr.: interprète, acteur, artiste   

1) Someone who performs in front of an audience, for example an actor or musician.
2) Someone who does something with a particular amount of success (Macmillan Dictionary).

perform; → -er.

<< < -ph pal par par par par pas Pau pen per per per per Per per pha Pho pho pho pho Pia Pis Pla pla pla pla Ple Pog pol pol pol pol pop pos pot Poy pre pre pre pre pri pri pro pro pro pro pro pro pro pub pul pyr > >>