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prism angle zâviye-ye manšur Fr.: angle de prisme The angle between the faces on which light is incident and from which it emerges. |
prism binoculars docešmi-ye manšuri, ~ manšurdâr Fr.: jumelles à prismes An optical device consisting of a pair of small telescopes mounted side by side, each telescope having two prisms between the eyepiece and objective for erecting the image. → prism; → binoculars. |
prism ocular caši-ye manšuri, ~ manšurdâr Fr.: prisme oculaire An ocular equipped with a prism that forms an upright image in an astronomical telescope. |
prismatic astrolabe ostorlâb-e manšuri Fr.: astrolabe à prisme An instrument used to determine the precise timing of a star's passage across a vertical circle. It is used for making precise determinations of the positions of stars and planets, and can be used inversely to determine the latitude and longitude of the observer, assuming the star positions are accurately known. It consists of an accurate prism, a small pool of mercury to serve as an artificial horizon. The most notable example of this type of instrument is that of → Danjon astrolabe. |
prismatic spectrum binâb-e manšuri Fr.: spectre prismatique The spectrum formed by a dispersing prism or a dispersing prism system. |
privacy vâvani Fr.: intimité The state of being private. Noun from → private. |
private vâvan Fr.: privé Pertaining to or affecting a particular person or a small group of persons; individual; → personal (Dictionary.com). L. privatus "set apart, peculiar, personal," used in contrast to publicus, p.p. of privare "to separate, deprive, to rob" from privus "one's own, individual." Vâvan, literally "separated, not bound," from vâ- separation prefix, → de-, + van, contraction of vand, band, from vastan, bastan "to bind, fasten, close," → band. |
privatization vâvaneš Fr.: privatisation The transfer from public to private ownership. |
privatize vâvandan Fr.: privatiser To transfer from public to private ownership and control. |
privilege fardâré Fr.: privilège A special right, advantage, or immunity granted or available only to a particular person or group (OxfordDictionaries.com). M.E., from O.Fr. privilege "right, priority, privilege" and directly from L. privilegium "law applying to one person, bill of law in favor of or against an individual," from privus "individual," → private. Fardâré, from far- intensive prefix "much, abundant; elegantly," → perfect, + dâr present stem of dâštan "to have, possess," → property, + noun/relation suffix -é. |
privileged fardâremand Fr.: privilégié Having special rights, advantages, or immunities. Adjective from → privilege. |
pro- farâ- (#) Fr.: pro- A prefix of priority in space or time having especially a meaning of advancing or projecting forward or outward. From L. pro "in favor of, in place of, before, for," also in some cases from cognate Gk. pro "before, in front of," both from PIE base *por- "forward, through;" cf. Pers. farâ-, as below; Gk. para- "from beside, against, beyond;" Goth. faura "before," O.E. fore "before, for, on account of." Farâ- "forward, along; above, upon, over; before, foremost, opposing, facing," variant far- intensive prefix "much, abundant; elegantly," from Mid.Pers. fra-; O.Pers. fra- "forward, forth;" Av. frā, fərā-, fra- "forward, forth; before; excessive" (fratəma- "first, front," pouruua- "first," fra-cara- "preceding"); cf. Skt. prá- "before; forward, in fron," prathama- "earliest, initial," pūrva- "first;" Gk. pro; L. pro, as above. |
probability šavânâyi Fr.: probabilité 1) General: The quality or fact of being probable. A strong
→ likelihood or chance of something. |
probability curve xam-e šavânâyi Fr.: courbe de probabilité A curve that describes the distribution of probability over the values of a random variable. → probability; → curve. |
probability density function karyâ-ye cagâli-ye šavânâyi Fr.: fonction de densité de probabilité A mathematical function whose integral over any interval gives the probability that a continuous → random variable has values in this interval. Also known as → density function, frequency function, → probability function. → probability; → density; → function. |
probability distribution vâbâžeš-e šavânâyi Fr.: distribution de probabilité The function that describes the range of possible values that a random variable can attain and the probability that the value of the random variable is within any (measurable) subset of that range. → probability; → distribution. |
probability function karyâ-ye šavânâyi Fr.: fonction de probabilité A function that represents a probability distribution in terms of integrals. Also called probability density function or density function. → probability; → function. |
probability theory negare-ye šavânâyi Fr.: théorie des probabilités A branch of → mathematics with its own axioms and methods, which is based on the concept of → randomness and is concerned with the possible outcome of given → events and their relative → likelihoods and → distributions. → probability; → theory. |
probable šavânâ Fr.: probable Likely to happen or to be true; likely but uncertain. From O.Fr. probable, from L. probabilis "provable," from probare "to try, to test, to prove worthy," from probus "worthy, good, upright, virtuous," from PIE *pro-bhwo- "being in front," from *pro-, extended form of base *per- (cf. Pers. farâ "forward, front"), + base *bhu- "to be" (cf. Pers. budan "to be"). Šavânâ (on the model of tavânâ "able, strong", from tav- "to be able"), from šow- present stem of šodan "to become, to be, to be doing, to go, to pass," from Mid.Pers. šudan, šaw- "to go;" Av. š(ii)auu-, šiyav- "to move, go," šiyavati "goes," šyaoθna- "activity; action; doing, working;" O.Pers. šiyav- "to go forth, set," ašiyavam "I set forth;" cf. Skt. cyu- "to move to and fro, shake about; to stir," cyávate "stirs himself, goes;" Gk. kinein "to move;" Goth. haitan "call, be called;" O.E. hatan "command, call;" PIE base *kei- "to move to and fro." |
probable error (PE) irang-e šavânâ Fr.: erreur probable A deviation from the population mean μ such that 50% of the observations may be expected to lie between μ - PE and μ + PE. For the normal distribution, the probable error is 0.6745 times the standard deviation. |
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