luminance Hear it!

luminance definition

lu·mi·nance (lo̵̅o̅′mə nəns)

noun

  1. the quality or state of being luminous
  2. a measure of the brightness of a luminous surface, measured in candelas per unit area

Etymology: < L lumen (gen. luminis), light + -ance

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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