One of a class of organic bases, C8H11N, usually pungent oily liquids, belonging to the pyridine series, and obtained from bone oil, coal tar, naphtha, and certain alkaloids.
[German] An alkaloid, C8H11N; an oily liquid of peculiar odor, obtained in the distillation of coal-tar and of aldehyde (Aldehyde-c.). Two ptomaines isomeric with c. are known.
