/ Dictionary / Index A amidase: Meaning and Definition of Find definitions for: am•i•dase Pronunciation: (am'i-dās", -dāz"), [key] — n. Biochem. an enzyme that catalyzes the hydrolysis of an acid amide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Amidah* amidate Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language