/ Dictionary / Index B biocentric: Meaning and Definition of Find definitions for: bi•o•cen•tric Pronunciation: (bī"ō-sen'trik), [key] — adj. centered in life; having life as its principal fact. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biocenosis biochemical oxygen demand 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