Breadcrumb Home > Dictionary > Index A acoustic feedback: Meaning and Definition of Find definitions for: acous'tic feed'back Pronunciation: [key] — Electronics. Electronics. (in an audio system, esp. a public-address system) the feedback of sound from a loudspeaker to a microphone, often resulting in a whistling noise caused by electrical oscillations. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acoustic feature acoustic guitar TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: picaresque Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language