Definition of "chymosin" [chymosin]

• See rennin. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "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."
• "The Curdling Specialist Traditional rennet is made from the fourth stomach or abomasum of a milk-fed calf less than 30 days old, before chymosin is replaced by other protein-digesting enzymes."
• "The curdling of milk by the rennet enzyme chymosin."