creosote

/ˈkɹiːəˌsəʊt/

IPA: /K R IY1 AH0 S OW0 T/

noun
  1. 1

    A pale yellow oily liquid, containing phenols and similar compounds, obtained by the destructive distillation of wood tar, once used medicinally.

  2. 2

    A similar brown liquid obtained from coal tar used as a wood preservative.

  3. 3

    The creosote bush.

verb
  1. 1

    To apply creosote.

    As the fence is exposed he will creosote it for protection.

Source: https://en.wiktionary.org/wiki/creosote