Coridine \Co"ri*dine\ (k?"r?-d?n; 104), n. [From L. cortium leather.] A colorless or yellowish oil, {C10H15N}, of a leathery odor, occuring in coal tar, Dippel's oil, tobacco smoke, etc., regarded as an organic base, homologous with pyridine. Also, one of a series of metameric compounds of which coridine is a type. [Written also {corindine}.] [1913 Webster]