The Collaborative International Dictionary
Quinoidine
Quinoidine \Qui*noid"ine\, n. [Quinine + -oid.] (Med. Chem.) A brownish resinous substance obtained as a by-product in the treatment of cinchona bark. It consists of a mixture of several alkaloids. [Written also chinoidine.]
Wiktionary
quinoidine
alt. (context chemistry dated English) A brownish resinous substance obtained as a by-product in the treatment of cinchona bark. n. (context chemistry dated English) A brownish resinous substance obtained as a by-product in the treatment of cinchona bark.