/ Dictionary / Index B biologics: Meaning and Definition of Find definitions for: bi•o•log•ics Pronunciation: (bī"u-loj'iks), [key] — n. (used with a pl. v.) commercial products derived from biotechnology. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biological warfare biologism 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