perfect 1) farsâxt, farsâz; 2) farsâxtan Fr.: 1) parfait; 2) parfaire 1a) Corresponding to an ideal standard or abstract concept. 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 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 kâb-e farsâxt Fr.: cube parfait An → integer of the form n^{3}, where n is a → positive number. In other words, a → perfect power when k = 3. |
perfect gas gâz-e farsâxt Fr.: gaz parfait A hypothetical gas with molecules of negligible size that exert no intermolecular forces. Also called → ideal gas. |
perfect lens 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 number 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 power 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 m^{k} = n. → perfect cube, → perfect square. |
perfect set hangard-e farsâxt Fr.: ensemble parfait A set P is called perfect if P = P', where P' is the derived set of P. |
perfect square câruš-e farsâxt Fr.: carré parfait An → integer of the form n^{2}, where n is a → positive number. In other words, a → perfect power when k = 2. |
perfectible farsâxtani, farsâxtpazir Fr.: perfectible Capable of becoming or of being made perfect. |
perfection farsâxtegi, farsâzeš Fr.: perfection The state or quality of being or becoming perfect. |
perfectionism farsâxtgerâyi, farsâxtgari Fr.: perfectionisme 1) Any of various doctrines holding that religious, moral, social, or political
perfection is attainable. → perfection; → -ism. |
perfectionist farsâxtgerâ, farsâxtgar Fr.: perfectioniste 1) A person who adheres to or believes in → perfectionism. → perfection; → -ist. |