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Definition of Quinoidine
1. n. A brownish resinous substance obtained as a by-product in the treatment of cinchona bark. It consists of a mixture of several alkaloids.
Definition of Quinoidine
1. Noun. (chemistry dated) A brownish resinous substance obtained as a by-product in the treatment of cinchona bark. ¹
¹ Source: wiktionary.com
Medical Definition of Quinoidine
1.