Meaning of phosphorescence

phos•pho•res•cence

Pronunciation: (fos"fu-res'uns), [key]
— n.
  1. the property of being luminous at temperatures below incandescence, as from slow oxidation in the case of phosphorus or after exposure to light or other radiation.
  2. a luminous appearance resulting from this.
  3. any luminous radiation emitted from a substance after the removal of the exciting agent.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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