1) par-; 2) per-
1) A prefix meaning "through, thoroughly, utterly, very."
From L. per "through, during, by means of, on account of," cognate with Pers. par-, pirâ-, as below; cf. Gk. → peri- "around, about, beyond;" O.C.S. pre-; Russ. pere- "through;" Lith. per "through;" Goth. fair-; Ger. ver-; O.E. fer-.
Par-, per-, variants of pirâ- "around, about," from Mid.Pers. pêrâ; O.Pers. pariy "around, about;" Av. pairi "around, over," per- "to pass over, beyond;" cf. Skt. pari; Indo-Iranian *pari- "around;" cf. Gk. peri "around, about, beyond;" L. per "through," as above; PIE base *per- "through, across, beyond."
1) To become aware of, know, or identify by means of the senses.
M.E. perceiven, from Anglo-Fr. *perceivre, from O.Fr. percoivre "perceive, notice, see; understand," from L. percipere "obtain, seize entirely, take possession of," from L. → per- "thoroughly" + capere "to take," → concept.
&ACIRC;gertidan, from â- intensive prefix + gertidan "to take, seize," → concept.
The mental product of the act of perceiving, as distinguished from the thing perceived.
The process of recognizing or identifying something. Usually employed of sense perception, when the thing which we recognize or identify is the object affecting a sense organ.
Verbal noun of → perceive.
Any salt of perchloric acid.
asid perklorik (#)
Fr.: acide perchlorique
A colorless liquid, HClO4, that reacts explosively with organic matter or other reducible materials.
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.
Fr.: cube parfait
Fr.: gaz parfait
A hypothetical gas with molecules of negligible size that exert no intermolecular forces. Also called → ideal gas.
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.
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.
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.
Fr.: ensemble parfait
A set P is called perfect if P = P', where P' is the derived set of P.
Fr.: carré parfait
Capable of becoming or of being made perfect.
The state or quality of being or becoming perfect.
1) Any of various doctrines holding that religious, moral, social, or political
perfection is attainable.
1) A person who adheres to or believes in → perfectionism.
Fr.: exécuter, accomplir
1) To carry out; → execute; do.
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.