cinchonine

American

[sing-kuh-neen, -nin, sin-] / ˈsɪŋ kəˌnin, -nɪn, ˈsɪn- /

noun

Pharmacology.

a colorless, crystalline, slightly water-soluble alkaloid, C 19 H 22 N 2 O, a stereoisomer of cinchonidine, obtained from the bark of various species of cinchona and used chiefly as a quinine substitute.

cinchonine British

/ ˈsɪŋkəˌniːn /

noun

an insoluble crystalline alkaloid isolated from cinchona bark, used to treat malaria. Formula: C 19 H 22 N 2 O

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of cinchonine

First recorded in 1815–25; cinchon(a) + -ine ²

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023