/ Dictionary / Index A adenylate cyclase: Meaning and Definition of Find definitions for: a•den'yl•ate cy'clase Pronunciation: (u-den'l-it, -āt", ad'n-l-), [key] — Biochem. Biochem. an enzyme that catalyzes the conversion of ATP to cyclic AMP. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. adenovirus adenylic acid Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language