'Rennin' definitions:

Definition of 'rennin'

From: WordNet
noun
An enzyme that occurs in gastric juice; causes milk to coagulate [syn: rennin, chymosin]

Definition of 'Rennin'

From: GCIDE
  • Rennin \Ren"nin\ (r[e^]n"n[i^]n), n. (Biochem.) A milk-clotting enzyme obtained from the true stomach (abomasum) of a suckling calf. Mol. wt. about 31,000. Also called chymosin, rennase, and abomasal enzyme. --[Merck Man. 11] [1913 Webster]