/ Thesaurus Find synonyms for: Noun1. renin, protease, peptidase, proteinase, proteolytic enzymeusage: a proteolytic enzyme secreted by the kidneys; catalyzes the formation of angiotensin and thus affects blood pressureWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: renin (Dictionary) Related Content Daily Word Quiz: placate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index