What is "coridine"

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.]

n. 1 (context organic compound English) A colourless or yellow oil (C₁₀H₁₅N) found in coal tar, Dippel's oil, tobacco smoke, etc., regarded as an organic base homologous with pyridine. 2 (context organic compound English) Any of a series of metameric compounds of which coridine is a type.