renin

R1E1N1I1N1
UK/ˈɹiː.nɪn/US/ˈɹi.nɪn/US/ˈɹɛ.nɪn/

noun

A circulating enzyme released by mammalian kidneys that converts angiotensinogen to angiotensin I. Due to its activity which ultimately leads to the formation of angiotensin II and aldosterone, this hormone plays a role in maintaining blood pressure.

Similar
angiotensinogenase
Less commonScrabble 5
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounrenin (countable and uncountable, plural renins)

plural renins

  1. countableuncountablebiochemistryA circulating enzyme released by mammalian kidneys that converts angiotensinogen to angiotensin I. Due to its activity which ultimately leads to the formation of angiotensin II and aldosterone, this hormone plays a role in maintaining blood pressure.

    Synonyms: angiotensinogenase

Synonyms & antonyms

nounA circulating enzyme released by mammalian kidneys that converts angiotensinogen to angiotensin I. Due to its activity which ultimately leads to the formation of angiotensin II and aldosterone, this hormone plays a role in maintaining blood pressure.

Similar
angiotensinogenase

Origin

From reno- + -in.

Full word history & related roots →

Translations

Finnish reniini
  • reniinienzyme
Italian renina
  • reninaenzyme
Spanish renina
  • reninaenzyme
Turkish renin
  • reninenzyme

Rhymes & wordplay

Anagrams

innerninerRinne
Cite this entry
APA

renin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/renin

MLA

“renin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/renin. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “renin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/renin.

Source: renin on Wiktionary, CC BY-SA 4.0.