/ Dictionary / Index B biogenic: Meaning and Definition of Find definitions for: bi•o•gen•ic Pronunciation: (bī"ō-jen'ik), [key] — adj. resulting from the activity of living organisms, as fermentation. necessary for the life process, as food and water. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: biogenic (Thesaurus) biogenetics biogeochemistry Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language