/ Dictionary / Index S scintillator: Meaning and Definition of Find definitions for: scin•til•la•tor Pronunciation: (sin'tl-ā"tur), [key] — n. Physics. a phosphor capable of producing scintillations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. scintillation spectrometer scintiscanner Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language