Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An aromatic organic base, C9H7N, having a pungent tarlike odor, synthesized or obtained from coal tar, and used as a food preservative and in making antiseptics and dyes.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a class of aromatic heterocyclic compounds containing a benzene ring fused with a pyridine ring; especially the simplest such compound, C9H7N.

from the GNU version of the Collaborative International Dictionary of English

  • n. A nitrogenous base, C9H7N obtained as a pungent colorless liquid by the distillation of alkaloids, bones, coal tar, etc. It the nucleus of many organic bodies, especially of certain alkaloids and related substances; hence, by extension, any one of the series of alkaloidal bases of which quinoline proper is the type.

from The Century Dictionary and Cyclopedia

  • n. Same as chinoline.

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