/ Dictionary / Index P phosphorescent: Meaning and Definition of Find definitions for: phos•pho•res•cent Pronunciation: (fos"fu-res'unt), [key] — adj. exhibiting phosphorescence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phosphorescent (Thesaurus) phosphorescence phosphoreted Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language