biotransformation: Meaning and Definition of

bi•o•trans•for•ma•tion

Pronunciation: (bī"ō-trans"fur-mā'shun), [key]
— n.
  1. the series of chemical changes occurring in a compound, esp. a drug, as a result of enzymatic or other activity by a living organism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.