We're working on a new site. Click here to get a sneak preview.


noun re·nin \ˈrē-nən, ˈre-\

Definition of RENIN

:  a proteolytic enzyme of the kidney that plays a major role in the release of angiotensin

Origin of RENIN

International Scientific Vocabulary, from Latin renes
First Known Use: 1906
Medical Dictionary


noun re·nin \ˈrē-nən also ˈren-ən\

Medical Definition of RENIN

:  a proteolytic enzyme of the blood that is produced and secreted by the juxtaglomerular cells of the kidney and hydrolyzes angiotensinogen to angiotensin I


Next Word in the Dictionary: reniportalPrevious Word in the Dictionary: RenillidaeAll Words Near: renin
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears