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cinchonidine |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Cinchonidine \Cin*chon"i*dine\, n. [From {Cinchona}.] (Chem.) One of the quinine group of alkaloids, found especially in red cinchona bark. It is a white crystalline substance, {C19H22N2O}, with a bitter taste and qualities similar to but weaker than quinine; -- sometimes called also {cinchonidia}.