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:

    “The Danaan children laugh, in cradles of wrought gold,
    And clap their hands together, and half close their eyes,
    For they will ride the North when the ger-eagle flies,
    With heavy whitening wings, and a heart fallen cold....”
    —William Butler Yeats (1865–1939)

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