Definition of coal tar in English:

coal tar

Syllabification: coal tar

noun

A thick black liquid produced by the destructive distillation of bituminous coal. It contains benzene, naphthalene, phenols, aniline, and many other organic chemicals.
More example sentences
  • Derived chiefly from petroleum and coal tar, aromatic hydrocarbons tend to be reactive.
  • This form of creosote, a mixture of chemicals created by distilling coal tar, is toxic in large amounts or after extended exposure.
  • Common aromatic compounds other than benzene include toluene, naphthalene, and anthracene, all of which are present in coal tar or creosote.

Definition of coal tar in:

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Pronunciation: ˌəʊlɪˈadʒɪnəs
adjective
rich in, covered with, or producing oil; oily