quinoline(redirected from Leucoline)
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an amine or alkaloid derivable from quinine, coal tar, and various other sources, which has antiseptic, antipyretic, and antimalarial properties.
1. A volatile nitrogenous base obtained by the distillation of coal tar, bones, alkaloids, and other substances; a basic structure of many dyes and drugs; also used as an antimalarial. Synonym(s): chinoleine, leucoline
2. One of a class of alkaloids based on the quinoline (1) structure.
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.