Dictionary
lu•mi•nes•cence
Pronunciation: (lOO"mu-nes'uns), [key]—
n.
1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies.
2. the light produced by such an emission.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.