phosphorescence Hear it!

phosphorescence definition

phos·pho·res·cence (fäs′fə res′əns)

noun

    1. the condition or property of a substance of giving off a lingering emission of light after exposure to radiant energy, as light or X-rays
    2. the light thus given off
  2. a continuing luminescence without noticeable heat, as from phosphorus when it is slowly oxidized

Etymology: Fr: see phosphorus & -escence

Related Forms:

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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