Definition of luminosity noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌluːmɪˈnɒsəti//
    ; NAmE NAmE//ˌluːmɪˈnɑːsəti//
    [singular, uncountable]
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  1. 1the fact of shining in the dark; the ability to give out light The moon was shining enough to give a ghostly luminosity to the buildings that crowded both sides of the narrow street. the luminosity of the stars/sun
  2. 2a clear and beautiful quality that something has the luminosity of the poem