/ Dictionary / Index B bioautography: Meaning and Definition of Find definitions for: bi•o•au•tog•ra•phy Pronunciation: (bī"ō-ô-tog'ru-fē), [key] — n. Biochem. an analytical technique in which organic compounds are separated by chromatography and identified by studying their effects on microorganisms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bioastronautics bioavailability Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language