photosphere

from WordNet (r) 3.0 (2006)
photosphere
    n 1: the intensely luminous surface of a star (especially the
         sun)
    
from The Collaborative International Dictionary of English v.0.48
Photosphere \Pho"to*sphere\, n. [Photo- + sphere.]
   A sphere of light; esp., the luminous envelope of the sun.
   [1913 Webster]
    

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