The DICT Development Group

  Radiance \Ra"di*ance\ (r[=a]"d[i^]*ans), Radiancy \Ra"di*an*cy\
     (r[=a]"d[i^]*an*s[y^]), n.
     The quality of being radiant; brilliancy; effulgence; vivid
     brightness; as, the radiance of the sun.
     [1913 Webster]
  
           Girt with omnipotence, with radiance crowned. --Milton.
     [1913 Webster]
  
           What radiancy of glory,
           What light beyond compare !              --Neale.
     [1913 Webster]
  
     Syn: Luster; brilliancy; splendor; glare; glitter.
          [1913 Webster]

  radiancy
      n 1: the quality of being bright and sending out rays of light
           [syn: radiance, radiancy, shine, effulgence,
           refulgence, refulgency]