Meaning of photoluminescence

pho•to•lu•mi•nes•cence

Pronunciation: (fō"tu-l"mu-nes'uns), [key]
— n. Physics.
  1. luminescence induced by the absorption of infrared radiation, visible light, or ultraviolet radiation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.