rennin

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈrɛnɪn/US:USA pronunciation: respellingUSA pronunciation: respelling(ren′in)


WordReference Random House Unabridged Dictionary of American English © 2026
ren•nin  (ren′in),USA pronunciation n. [Biochem.]
  1. Biochemistrya coagulating enzyme occurring in the gastric juice of the calf, forming the active principle of rennet and able to curdle milk.
  • renn(et) + -in2 1895–1900

Collins Concise English Dictionary © HarperCollins Publishers::
rennin / ˈrɛnɪn/
  1. an enzyme that occurs in gastric juice and is a constituent of rennet. It coagulates milk by converting caseinogen to casein
    Also called: chymosin
Etymology: 20th Century: from rennet + -in
'rennin' also found in these entries (note: many are not synonyms or translations):
casein - chymosin - gastric juice - rennet

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