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nebulae

資料來源 : pyDict

星雲

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Nebula \Neb"u*la\, n.; pl. {Nebul[ae]}. [L., mist, cloud; akin
   to Gr. ?, ?, cloud, mist, G. nebel mist, OHG. nebul, D.
   nevel, Skr. nabhas cloud, mist. Cf. {Nebule}.]
   1. (Astron.) A faint, cloudlike, self-luminous mass of matter
      situated beyond the solar system among the stars. True
      nebul[ae] are gaseous; but very distant star clusters
      often appear like them in the telescope.

資料來源 : WordNet®

nebula
     n 1: a medicinal liquid preparation intended for use in an
          atomizer
     2: cloudiness of the urine
     3: an immense cloud of gas (mainly hydrogen) and dust in
        interstellar space
     4: (pathology) a faint cloudy spot on the cornea
     [also: {nebulae} (pl)]

nebulae
     See {nebula}
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