/ Dictionary / Index A amylase: Meaning and Definition of Find definitions for: am•yl•ase Pronunciation: (am'u-lās", -lāz"), [key] — n. Biochem. any of a widely distributed class of enzymes that catalyze the hydrolysis of starch, glycogen, and related polysaccharides to oligosaccharides, maltose, or glucose. any of several digestive enzymes that break down starches. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: amylase (Thesaurus) amyl alcohol amylene Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language