n. Any of a class of glycoside hydrolases, enzymes that break down disaccharides into monosaccharides.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an enzyme that catalyzes the hydrolysis of disaccharides into monosaccharides
Word Usage
"There are three important disaccharidase enzymes: maltase maltose → glucose sucrase sucrose → glucose + fructose lactase lactose → glucose + galactose The disaccharidase enzymes are unusual in that they are located in the membrane of the ileum epithelial cells."