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3 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Qui·nine n.  Chem. An alkaloid extracted from the bark of several species of cinchona (esp. Cinchona Calisaya) as a bitter white crystalline substance, C20H24N2O2. Hence, by extension Med., any of the salts of this alkaloid, as the acetate, chloride, sulphate, etc., employed as a febrifuge or antiperiodic. Called also quinia, quinina, etc. [Written also chinine.]
 

From: Webster's Revised Unabridged Dictionary (1913)

 Cal·i·sa·ya bark A valuable kind of Peruvian bark obtained from the Cinchona Calisaya, and other closely related species.
 

From: WordNet (r) 2.0

 Cinchona calisaya
      n : Peruvian shrub or small tree having large glossy leaves and
          cymes of fragrant yellow to green or red flowers;
          cultivated for its medicinal bark [syn: calisaya, Cinchona
          officinalis, Cinchona ledgeriana]