/ Dictionary / Index C constructive interference: Meaning and Definition of Find definitions for: construc'tive interfer'ence Pronunciation: [key] — Physics. Physics. the interference of two or more waves of equal frequency and phase, resulting in their mutual reinforcement and producing a single amplitude equal to the sum of the amplitudes of the individual waves. Cf. destructive interference. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. constructive constructivism Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language