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}.] [1913 Webster]
Chinoidine \Chi*noid"ine\, n. [NL. chinium quinine (cf. G. & F. china Peruvian bark) + -oil + -ine.] (Chem.) See {Quinodine}. [1913 Webster]