/ Dictionary / Index B bioenergy: Meaning and Definition of Find definitions for: bi•o•en•er•gy Pronunciation: (bī"ō-en'ur-jē), [key] — n. energy derived from biofuel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bioenergetics bioengineering Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language