[1] : The Collaborative International Dictionary of English v.0.48

luminosity \lu`minos"ity\, n.
   the quality or state of being luminous; luminousness.
   1913 webster

[2] : WordNet (r) 2.0

luminosity
     n : the quality of being luminous; emitting or reflecting light;
         "its luminosity is measured relative to that of our sun"
         syn: brightness, brightness level, luminance, luminousness,
          light
see also:
brightness brightness level luminance luminousness light 

Luminosity >> L Words
Luminosity, definition of term: Luminosity
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