Quinidine

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Quinidine \Quin"i*dine\, n. (Chem.)
     An alkaloid isomeric with, and resembling, quinine, found in
     certain species of cinchona, from which it is extracted as a
     bitter white crystalline substance; conchinine. It is used
     somewhat as a febrifuge. [Written also {chinidine}.]
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  quinidine
       n : cardiac drug (trade names Quinidex and Quinora) used to
           treat certain heart arrhythmias [syn: {Quinidex}, {Quinora}]