SINCE 1828
rennin
noun
ren·nin
| \ ˈre-nən
\
\
Definition of rennin
: an enzyme that coagulates milk and is used in making cheese and junkets
especially
: one from the mucous membrane of the stomach of a calf
Keep scrolling for more
Keep scrolling for more
More Definitions for rennin
rennin
noun
ren·nin
| \ ˈren-ən
\
\
Medical Definition of rennin
: a crystallizable enzyme that coagulates milk, that occurs especially with pepsin in the gastric juice of young animals and is obtained as a yellowish powder, grains, or scales usually by extraction of the mucous membrane of the fourth stomach of calves, and that is used chiefly in making cheese and casein for plastics
— called also chymosin
Comments on rennin
What made you want to look up rennin? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Words for Summer: A Quiz
-
- Which of the following words means “of or relating to summer”?
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Words for Summer: A Quiz
Test your knowledge of words related to the season of longer days and vacations.
Take the quiz -
Finance Words Quiz
Take the quiz
-
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Take the quiz -
Dictionary Devil
The dictionary has been scrambled—can you put it back together?
Play the game
Share rennin
Resources for rennin