Definition of quinoline in English:

quinoline

Syllabification: quin·o·line
Pronunciation: /ˈkwinəlin
 
/

noun

Chemistry
  • A pungent oily liquid present in coal tar and bone oil.
    • A heteroaromatic compound with fused benzene and pyridine rings; chemical formula: C9H7N
    More example sentences
    • 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 + -ine4.

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Pronunciation: skəʊʃ
noun
a small amount; a little