/ Dictionary / Index B bioaccumulation: Meaning and Definition of Find definitions for: bi•o•ac•cu•mu•la•tion Pronunciation: (bī"ō-u-ky"myu-lā'shun), [key] — n. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bio bioacoustics Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language