/ Dictionary / Index M maltase: Meaning and Definition of Find definitions for: malt•ase Pronunciation: (môl'tās, -tāz), [key] — n. Biochem. an enzyme that converts maltose into glucose and causes similar cleavage of many other glucosides. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Malta fever malted Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language