coridine

from The Century Dictionary.

• noun A monacid base, C₁₀H₁₅N, found in coal-tar. It boils at 211° C.

from the GNU version of the Collaborative International Dictionary of English.

• noun 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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