/ Dictionary / Index S scintillate: Meaning and Definition of Find definitions for: scin•til•late Pronunciation: (sin'tl-āt"), [key] — v., -lat•ed, -lat•ing. —v.i. to emit sparks. to sparkle; flash: a mind that scintillates with brilliance. to twinkle, as the stars. (of a spot of light or image on a radar display) to shift rapidly around a mean position. (of the amplitude, phase, or polarization of an electromagnetic wave) to fluctuate in a random manner. (of an energetic photon or particle) to produce a flash of light in a phosphor by striking it. —v.t. to emit as sparks; flash forth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: scintillate (Thesaurus) scintillant scintillating Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language