/ Dictionary / Index B bioacoustics: Meaning and Definition of Find definitions for: bi•o•a•cous•tics Pronunciation: (bī"ō-u-k'stiks or, esp. Brit., -u-kou'-), [key] — n. (used with a sing. v.) the science of sounds produced by or affecting living organisms, as for communication or echolocation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bioaccumulation bioactivity Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language