BACK TO quinidine
quinidine vs. quinine
[ kwin-i-deen, -din ]
- a colorless, crystalline alkaloid, C20H24N2O2, isomeric with quinine, obtained from the bark of certain species of cinchona trees or shrubs, used chiefly to regulate heart rhythm and to treat malaria.
[ kwahy-nahyn, kwin-ahyn or, especially British, kwi-neen ]
- a white, bitter, slightly water-soluble alkaloid, C20H24N2O2, having needlelike crystals, obtained from cinchona bark: used in medicine chiefly in the treatment of resistant forms of malaria.
- a salt of this alkaloid, especially the sulfate.