n. The milk-curdling ferment of the gastric juice. Also called rennin.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an enzyme that occurs in gastric juice; causes milk to coagulate
Word Usage
"Now, by means of genetic engineering, modern biotechnology produces a pure version of the same calf enzyme, called chymosin, in a bacterium, a mold, and a yeast."