An Etymological Dictionary of Astronomy and Astrophysics

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory



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Number of Results: 1076
printer font
  ریختار ِ چاپگر   
rixtâr-e câpgar

Fr.: fonte d'imprimante   

A font used for printing. See also → screen font.

printer; → font.


Fr.: précédent, antérieur   

1) Preceding in time or in order; earlier or former; previous.
2) Preceding in importance or privilege.

O.E., from M.L. prior "former, previous, first, superior," comparative of O.L. pri "before," from PIE *prai-, *prei-, from root *per- "forward, through," → pro-.

Parin, from pra-, fra- "before, forward, forth," cognate with Gk. and L. → pro-.


Fr.: priorité   

The condition or quality of being earlier in time or occurrence, or being regarded as more important.

prior; → -ity.

manšur (#)

Fr.: prisme   

Optics: A transparent solid body, having at least two polished plane faces inclined relative to each other, from which light is reflected or through which light is refracted.
Geometry: A solid having two faces lying in parallel planes and with the other faces parallelograms.

L.L. prisma, from Gk. prisma, literally "something sawed," from prizein "to saw."

Manšur, etymology not clear, may be related to Ar. mawšur "prism," of unknown origin.

prism angle
  زاویه‌ی ِ منشور   
zâviye-ye manšur

Fr.: angle de prisme   

The angle between the faces on which light is incident and from which it emerges.

prism; → angle.

prism binoculars
  دوچشمی ِ منشوری، ~ منشوردار   
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
  چشمی ِ منشوری، ~ منشوردار   
caši-ye manšuri, ~ manšurdâr

Fr.: prisme oculaire   

An ocular equipped with a prism that forms an upright image in an astronomical telescope.

prism; → ocular.

prismatic astrolabe
  اسطرلاب ِ منشوری   
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.

Adj. of → prism + → astrolabe.

prismatic spectrum
  بیناب ِ منشوری   
binâb-e manšuri

Fr.: spectre prismatique   

The spectrum formed by a dispersing prism or a dispersing prism system.

Adj. of → prism + → spectrum.


Fr.: intimité   

The state of being private.

Noun from → private.


Fr.: privé   

Pertaining to or affecting a particular person or a small group of persons; individual; → personal (

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.


Fr.: privatisation   

The transfer from public to private ownership.

private; → -tion.


Fr.: privatiser   

To transfer from public to private ownership and control.

private; → -ize.


Fr.: privilège   

A special right, advantage, or immunity granted or available only to a particular person or group (

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.


Fr.: privilégié   

Having special rights, advantages, or immunities.

Adjective from → privilege.

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.


Fr.: probabilité   

1) General: The quality or fact of being probable. A strong → likelihood or chance of something.
2) Statistics: The branch of → mathematics that studies the possible outcomes of given events and their relative distributions. → probability theory.

From → probable + → -ity.

probability curve
  خم ِ شوانایی   
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
  کریای ِ چگالی ِ شوانایی   
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
  واباژش ِ شوانایی   
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.

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