Definition of quinoline in English:

quinoline

noun

Chemistry
  • A pungent oily liquid present in coal tar and bone oil.

    • ‘The most important chemical classes of these so-called auxin herbicides include chlorophenoxy acids, benzoic acids, pyridines, and quinoline carboxylic acids.’

Origin

Mid 19th century: from Spanish quina (see quinine) + -ol + -ine.

Pronunciation:

quinoline

/ˈkwinəlin/