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: 1002
Perseus-Pisces supercluster
  ابرخوشه‌ی ِ پرسءوس-ماهی   
abarxuše-ye Perseus-Mâhi

Fr.: superamas de Persée-Poissons   

A long, dense chain of galaxies with a length of almost 300 million → light-years, constituting one of the largest known structures in the → Universe. At the left end of the supercluster lies the massive → Perseus cluster (A426), one of the most massive clusters of galaxies within 500 million light-years.

Perseus; → Pisces; → cluster.

Persian calendar
  گاهشمار ِ ایرانی   
gâhšomâr-e Irâni (#)

Fr.: calendrier persan   

Same as → Iranian calendar.

Persian, adj. of Persia, from O.Pers. Pārsa.

Irâni adj. of Irân, from Mid.Pers. Êrân "(land of) the Aryans," pluriel of êr "noble, hero," êrîh "nobility, good conduct;" Parthian Mid.Pers. aryân; O.Pers. ariya- "Aryan;" Av. airya- "Aryan;" cf. Skt. ārya- "noble, honorable, respectable."

persist
  پریستادن   
paristâdan

Fr.: persister   

1) To continue steadfastly or firmly in some state, purpose, course of action, or the like, especially in spite of opposition, remonstrance, etc.
2) To last or endure tenaciously (Dictionary.com).

M.Fr. persister, from L. persistere "abide, continue steadfastly," from → per- "thoroughly" + sistere "come to stand, cause to stand still," → resist.

Paristâdan from par-, → per-, + istâdan "to stand," → resist.

persistence
  پریست   
parist

Fr.: persistance   

The act or fact of persisting; the quality of being persistent.

Verbal noun from → persist.

persistent
  پریستنده   
paristandé

Fr.: persistant   

Persisting, especially in spite of opposition, obstacles, discouragement, etc.; persevering (Dictionary.com).

Adjective from → persist.

person
  تنوم   
tanum

Fr.: personne   

1) A human being, whether man, woman, or child as distinguished from an animal or a thing.
2) Philosophy: A self-conscious or rational being.
3) Grammar: Any one of three forms of verbs and pronouns used to denote the speaker, the person addressed, or somebody else being referred to.
4) Law: A living human being or a group, either or both having legal rights and responsibilities.
See also:
personal, → personal equation, → personality.

M.E. persone, from O.Fr. persone "human being," from L. persona "human being," originally "character in a drama, mask," possibly borrowed from Etruscan phersu "mask," from Gk. prosopa "face; mask" + -na a suffix.

Tanum, from O.Pers. and Av., related to Mod./Mid.Pers. tan "body, person," O.Pers. tanūš "body," tanūm [acc.sg.] "(to) onself;" Av. tanū- "body, person, self," tanūm [acc.sg.]; cf. Skt. tanūš- "body, self;" PIE base *ten-uh- "body."

personage
  تنومسا   
tanumsâ

Fr.: personnage   

1) A person of distinction or importance.
2) A dramatic, historical, or fictional → character in a play, story, etc.

M.E. "form, appearance, stature, figure, air, and the like, of a person," from O.Fr. personage "size, stature; a dignitary," from M.L. personagium, from persona, → person.

Tanumsâ, from tanum, → person, + -sâ, contraction of -âsâ, suffix of "form, type, similarity."

personal
  تنومی   
tanumi

Fr.: personnel   

Of or pertaining to a particular person; individual; private. → personal equation.

person; → -al.

personal equation
  هموگش ِ تنومی   
hamugeš-e tanumi

Fr.: équation personnelle   

A systematic observational error due to the characteristics of the observer.

Personal, adj. of → person; → equation.

personality
  تنومیگی   
tanumigi

Fr.: personnalité   

The sum total of the physical, mental, emotional, and social characteristics of an individual (Dictionary.com).

personal; → -ity.

personalize
  ۱) تنومیدن؛ ۲) تنوماردن   
1) tanumidan; 2) tanumârdan

Fr.: 1) personnaliser; 2) personnifier   

1) To make → personal or → individual; specifically, to mark as the property of a particular → person.
2) Same as → personify.

personal; → -ize.

Tanumidan, from tanum, → person, + -idan, → -ize; tanumârdan, → personify.

personification
  تنومارش   
tanumâreš

Fr.: personnification   

1) The attribution of human nature or character to animals, inanimate objects, or abstract notions, especially as a rhetorical figure.
2) The representation of a thing or abstraction in the form of a person, as in art.
3) The person or thing embodying a quality or the like; an embodiment or incarnation (Dictionary.com).

Verbal noun of → personify.

personify
  تنوماردن   
tanumârdan

Fr.: personnifier   

1) To conceive of or represent as a person or as having human qualities or powers.
2) To be the embodiment or personification of (Merriam-Webster.com).

person + -ify, → -fy.

personnel
  تنومگان   
tanumgân

Fr.: personnel   

A body of persons employed in an organization or place of work (Dictionary.com).

From Fr. personnel (as contrasted with matériel), from O.Fr. personel, → personal.

Tanumgân, from tanum, → personal, + -gân multiplicity suffix.

perspective
  پرگاس‌مندی، پرگاسیک؛ ۲) پرگاس‌مند، پرگاسیک   
1) pargâsmandi, pargâsik; 2) pargâsmand, pargâsik

Fr.: perspective   

1) The technique or art of drawing three-dimensional objects on a flat surface so that to give the right impression of their relative sizes and distances. A drawing so made.
2) Of, or pertaining to the art of perspective.

From M.Fr. perspective, from M.L. (ars) perspectiva "science of optics," from feminine of perspectivus "of sight, optical" from L. perspectus, p.p. of perspicere "to inspect, look through," from → per- "through" + specere "to look at," → prospect.

Pargâsmandi, from pargâsmand, from pargâs, from par-, → per-, + gâs, "to look at," → prospect, + -mand possession suffix, from Mid.Pers. -omand; O.Pers./Av. -mant; cf. Skt. -mant or -ik, → -ic.

perturb
  پرتوریدن   
parturidan

Fr.: perturber   

To cause a small → deviation in the → behavior of a → physical system, e.g. in the → orbit of a planet.

O.Fr. perturber, from L. perturbare "to confuse, disorder, disturb," from per- "through" + turbare "disturb, confuse," from turba "turmoil, crowd," turbidus "muddy, full of confusion."

Parturidan, from par-, related to pirâ- (cf. Av. per- "to pass across, through") + turidan "to run away, be very much ashamed," tur "withdrawal, flight;" Lori, Laki tur "restive, disobedient," Laki turyâyen "to get angry, lose one's temper," probably cognate with L. turba, as above.

perturbation
  پرتورش   
partureš

Fr.: perturbation   

1) Any departure introduced into a steady state of a system. The magnitude is often assumed to be small so that the resulting terms in the dependent variables may be neglected. The term "perturbation" is therefore sometimes used as synonymous with "small perturbation."
2) Gravitational effect of a third body that causes an alteration in the orbit of a body going around its primary.
See also: → linear perturbation theory, → method of small perturbationsn → perturbation equation, → perturbation method, → primordial curvature perturbation, → scalar perturbation, → secular perturbation, → tensor perturbation, → vector perturbation.

Verbal noun of → perturb.

perturbation equation
  هموگش ِ پرتورش   
hamugeš-e partureš

Fr.: équation de perturbation   

Any equation governing the behavior of a → perturbation.

perturbation; → equation.

perturbation method
  روش ِ پرتورش   
raveš-e partureš

Fr.: méthode de perturbation   

Approximate method of solving a difficult problem if the equations to be solved depart only slightly from those of a problem already solved.

perturbation; → method.

perturber body
  جسم ِ پرتورنده   
jesm-e parturandé

Fr.: corps perturbateur   

A celestial body that causes a perturbation in the orbit of another body.

Agent noun of → perturb; → body.

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