quinoline(redirected from chinoleine)
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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, drugs, and dyes.
1. (Elements & Compounds) an oily colourless insoluble basic heterocyclic compound synthesized by heating aniline, nitrobenzene, glycerol, and sulphuric acid: used as a food preservative and in the manufacture of dyes and antiseptics. Formula: C9H7N
2. (Elements & Compounds) any substituted derivative of quinoline
quin•o•line(ˈkwɪn lˌin, -ɪn)
a colorless liquid nitrogenous base, C9H7N, having a disagreeable odor, occurring in coal tar: used as a solvent and reagent and to make dyes.