Breadcrumb Home > Dictionary > Index P psychoacoustics: Meaning and Definition of Find definitions for: psy•cho•a•cous•tics Pronunciation: (sī"kō-u-k'stiks or, esp. Brit., -u-kou'-), [key] — n. (used with a sing. v.) the study of sound perception. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. psycho psychoactive 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: spurious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language