Hyponyms (each of the following is a kind of lacrimator): chlorobenzylidenemalononitrile; CS gas (a tear gas that is stronger than CN gas but wears off faster; can be deployed by grenades or cluster bombs; can cause skin burns and fatal pulmonary edema)
Freebase(0.00 / 0 votes)Rate this definition: Renin. Renin, also known as an angiotensinogenase, is an enzyme that participates in the body's renin-angiotensin system âalso known as the renin-angiotensin-aldosterone axisâthat mediates extracellular volume, and arterial vasoconstriction.
Definition of VANILLIN. : a crystalline phenolic aldehyde C8H8O3 that is extracted from vanilla beans or prepared synthetically and is used especially in flavoring and in perfumery.irst Known Use of VANILLIN. noun vanÂ·ilÂ·lin \Ëvan-Él-Én\. : a crystalline phenolic aldehyde C8H8O3 that is prepared synthetically or is obtained as the chief fragrant component of vanilla extracted from vanilla beans and that is used especially in flavoring and in perfumery.