An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

   Homepage   
   
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Number of Results: 7 Search : peculiar
chemically peculiar star
  ستاره‌ی ِ شیمیکانه افد   
setâre-ye šimikâné afd

Fr.: étoile chimiquement particulière   

A → main sequence star of → spectral type A or B (→ A-type star, → B-type star) identified by the presence of anomalously strong or weak → absorption lines of certain elements in their spectra. CP stars have been divided into four main classes on the basis of their spectra: 1) non-magnetic metallic-lined (CP1, → Am star), magnetic (CP2, → Ap star), non-magnetic mercury-manganese (CP3, → HgMn star), and helium-weak (CP4, → He-weak star).
See also → Ap/Bp stars.

→ chemical; → -ly; → peculiar; → star.

peculiar
  اَفد   
afd

Fr.: particulier   

In astronomy, designating an object with special properties that deviates from others of its type.
Linguistically related terms: → particular, → special.

From L. peculiaris "of one's own (property)," from peculium "private property," from pecu "flock, farm animals, cattle," pecunia "money, property;" cf. Av. pasu-, fšu- "sheep;" Mid.Pers. pâh, pasvīk "cattle;" Mid./Mod.Pers. šu/ša in šupân/šabân "cattle keeper, shepherd;" Pers. dialects Laki and Tâti pas "sheep;" Skt. paśu- "cattle;" Goth. faihu "money, fortune;" O.E. feoh "cattle, money;" Ger. Vieh "cattle;" Lith. pekus "cattle;" PIE base *peku- "cattle."

Afd "peculiar; strange" (Dehxodâ), from Mid.Pers. afd, awd "peculiar, strange."

peculiar galaxy
  کهکشان ِ اَفد   
kahkešân-e afd

Fr.: galaxie particulière   

An irregular galaxy that has an abnormal shape (neither elliptical, spiral, nor lenticular) and/or has another unusual characteristic.

→ peculiar; → galaxy.

peculiar motion
  جنبش ِ اَفد   
jonbeš-e afd

Fr.: mouvement particulier   

1) The true motion of a star with respect to the Local Standard of Rest. → proper motion.
2) The motion of a cosmological object other than the apparent recession caused by the expansion of the Universe.

→ peculiar; → motion.

peculiar star
  ستاره‌ی ِ اَفد   
setâre-ye afd

Fr.: étoile particulière   

A star with a spectrum that cannot be conveniently fitted into any of the standard → spectral classifications.

→ peculiar; → star.

peculiar velocity
  تندا‌ی ِ اَفد   
tondâ-ye afd

Fr.: vitesse particulière   

1) Velocity with respect to the Local Standard of Rest.
2) Any velocity a galaxy has with respect to us that is not a Hubble law velocity due to the expansion of space.

→ peculiar; → velocity.

peculiarity
  اَفدی   
afdi

Fr.: particularité   

The quality or condition of being peculiar.

Noun form of → peculiar.