quinidine

[ kwin-i-deen, -din ]
/ ˈkwɪn ɪˌdin, -dɪn /

noun Pharmacology.

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.

Origin of quinidine

First recorded in 1830–40; quin(ine) + -id3 + -ine2

Example sentences from the Web for quinidine

British Dictionary definitions for quinidine

quinidine
/ (ˈkwɪnɪˌdiːn) /

noun

a crystalline alkaloid drug that is an optically active diastereoisomer of quinine: used to treat heart arrhythmias. Formula: C 20 H 24 N 2 O 2

Medical definitions for quinidine

quinidine
[ kwĭnĭ-dēn′ ]

n.

A colorless crystalline alkaloid that is a stereoisomer of quinine and is used as a treatment for malaria and cardiac arrhythmias.