brightness Hear it!

brightness definition

bright·ness (-nis)

noun

  1. the quality or condition of being bright
  2. the luminous aspect of a color (as distinct from its hue) by which it is regarded as approaching the maximum luminance of pure white or the lack of luminance of pure black

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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