/ Dictionary / Index T thermoluminescence: Meaning and Definition of Find definitions for: ther•mo•lu•mi•nes•cence Pronunciation: (thûr"mō-l"mu-nes'uns), [key] — n. Physics. phosphorescence produced by the heating of a substance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thermolabile thermoluminescence dating Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language