1. lactase

noun. ['ˈlækˌteɪs'] any of a group of enzymes (trade name Lactaid) that hydrolyze lactose to glucose and galactose.

Words that Rhyme with Lactase

• diastase
• maltase

Example sentences of the word lactase

1. Noun, singular or mass
Many people stop producing lactase as they age and no longer need milk in their diet.