noun. an enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose.
1. Noun, singular or mass In order to break down sucrose, you need to have the enzyme sucrase. 2. Verb, base form In addition to sucrase, another enzyme called isomaltase glycoside hydrolase can also help facilitate the breakdown of sucrose. 3. Adjective One example of an enzyme fitting the lock and key model is sucrase.