renin

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈriːnɪn/US:USA pronunciation: respellingUSA pronunciation: respelling(rē′nin)


WordReference Random House Unabridged Dictionary of American English © 2026
re•nin  (rē′nin),USA pronunciation n. [Biochem.]
  1. Biochemistrya proteolytic enzyme secreted by the kidneys that is involved in the release of angiotensin.
  • ren(i)- + -in2 1890–95

Collins Concise English Dictionary © HarperCollins Publishers::
renin / ˈriːnɪn/
  1. a proteolytic enzyme secreted by the kidneys, which plays an important part in the maintenance of blood pressure
Etymology: 20th Century: from reni- + -in

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