quinidine: Meaning and Definition of


Pronunciation: (kwin'i-dēn", -din), [key]
— n. Pharm.
  1. a colorless, crystalline alkaloid, CHNO, 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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