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: 6 Search : host
ghost
  پرهیب   
parhib (#)

Fr.: image fantôme   

A faint false image caused by reflection that is sometimes seen in an optical system. In spectroscopy, a false image of a spectral line formed by irregularities in the ruling of diffraction gratings.

Ghost, from O.E. gast "soul, spirit, breath," from P.Gmc. *ghoizdoz (cf. M.Du. gheest, Ger. Geist "spirit, ghost"), from PIE base *ghois- "to be excited, frightened;" cf. Av. zaēša- "horrible, frightful," zôiždišta- "the most loathsome;" Mid./Mod.Pers. zešt "ugly, disgusting;" Goth. usgaisjan "to be afraid;" O.E. gæstan "to frighten."

Parhib "ghost," Pers. word of Xorâsâni dialect.

Ghost Head Nebula
  میغ ِ سر ِ پرهیب   
miq-e sar-e parhib

Fr.: Nébuleuse de la Tête de Fantôme   

A star forming region in the → Large Magellanic Cloud, a satellite of our Galaxy, as pictured by the → Hubble Space Telescope. It spans about 50 light-years and contains several young, → massive stars.

ghost; → head; → nebula

host
  میزبان   
mizbân (#)

Fr.: hôte   

One that receives or entertains guests especially in his own home. → host galaxy.

M.E. (h)oste, from O.Fr. hoste "guest, host," from L. hospitem (nom. hospes) "guest, host," lit. "lord of strangers," from hostis "stranger."

Mizbân "host," from Mid.Pers. mezdbân "host," from mêzd "offering, meal," Mod.Pers. miz "guest; offering; meal" + -bân a suffix denoting "keeper, guard," sometimes forming agent nouns or indicating relation (e.g. keštibân "sailor;" bâdbân "a sail;" mehrabân "affectionate;" mizbân "host;" âsiyâbân "a miller;" bâqbân "gardener"). This suffix derives from O.Pers. -pāvan- (as in xšaça.pāvan- "satrap"); Av. -pāna- (as in pəšu.pāna- "keeping the passage, bridge guard"), from Proto-Iranian *pa- "to prtotect, keep," → observe, + suffix *-van-; cf. Skt. -pāna- (as in tanū.pāna- "protection of the body").

host galaxy
  کهکشان ِ میزبان   
kahkešân-e mizbân (#)

Fr.: galaxie hôte   

A usually faint galaxy in which a remarkable phenomenon, such as a → supernova event, occurs.

host; → galaxy.

Lyman ghost
  پرهیب ِ لایمن   
parhib-e Lyman (#)

Fr.: image fantôme de Lyman   

In spectroscopy, a false image of a spectral line formed by irregularities in the ruling of diffraction gratings.

Lyman, → ghost.

Mirach's Ghost
  پرهیب ِ مراق   
parhib-e Merâq

Fr.: fantôme de Mirach   

Same as → NGC 404.

Mirach; → ghost.