luminosity Hear it!

luminosity definition

lu·mi·nos·ity (-näs′ə tē)

noun

  1. the quality or condition of being luminous
  2. pl. luminosities -·ties something luminous
  3. brightness

Etymology: ML luminositas

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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