Dictionary
qui•nine
Pronunciation: (kwī'nīn, kwin'īn or, esp. Brit., kwi-nēn'), [key]—
n. Chem., Pharm.
1. a white, bitter, slightly water-soluble alkaloid, C
20H
24N
2O
2, having needlelike crystals, obtained from cinchona bark: used in medicine chiefly in the treatment of resistant forms of malaria.
2. a salt of this alkaloid, esp. the sulfate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.