/ Dictionary / Index I isoenzyme: Meaning and Definition of Find definitions for: i•so•en•zyme Pronunciation: (ī"sō-en'zīm), [key] — n. Biochem. isozyme. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. isoelectronic isoflurane Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language