Heavy Oil

Heavy oil may refer to:

  • Fuel oil that contains residual oil left over from distillation.
  • Heavy crude oil, viscous crude oil.
  • Coal tar creosote, a wood preservative and waterproofing agent.

Famous quotes containing the words heavy and/or oil:

    “that blessed mood,
    In which the burthen of the mystery,
    In which the heavy and the weary weight
    Of all this unintelligible world
    Is lightened:—”
    —William Wordsworth (1770–1850)

    “It is wise to apply the oil of refined politeness to the mechanism of friendship.”
    —Colette [Sidonie Gabrielle Colette] (1873–1954)