[dahy-sak-er-i-deys, -deyz]

noun Biochemistry.

an enzyme that catalyzes the hydrolysis of disaccharides, as sucrose or lactose, to produce monosaccharides, as fructose or glucose.

Origin of disaccharidase

First recorded in 1960–65; disaccharide + -ase
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

disaccharidase in Medicine


[dī-săkər-ĭ-dās′, -dāz′]


An enzyme, such as invertase or lactase, that catalyzes the hydrolysis of disaccharides to monosaccharides.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.