/ Dictionary / Index D destructive interference: Meaning and Definition of Find definitions for: destruc'tive interfer'ence Pronunciation: [key] — Physics. Physics. the interference of two waves of equal frequency and opposite phase, resulting in their cancellation where the negative displacement of one always coincides with the positive displacement of the other. Cf. constructive interference. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. destructive distillation destructor Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language