/ Dictionary / Index C corpuscular theory: Meaning and Definition of Find definitions for: corpus'cular the"ory Pronunciation: [key] — Physics. Physics. the theory that light is transmitted as a stream of particles. Cf. wave theory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. corpuscular radiation corpus delicti Related Content Daily Word Quiz: laudable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language