/ Dictionary / Index T thermophosphorescence: Meaning and Definition of Find definitions for: ther•mo•phos•pho•res•cence Pronunciation: (thûr"mō-fos"fu-res'uns), [key] — n. Physics. thermoluminescence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thermophone thermopile Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language