glu·co·cer·e·bro·si·dase \ˌglükōˌserəbrōˈsīˌdās, -āz\noun (-s) Etymology:glucocerebroside (herein) + -ase : an enzyme of mammalian tissue that catalyzes the hydrolysis of the glucose part of a glucocerebroside and is deficient in patients affected with Gaucher's disease