Rock Oil

Rock oil can refer to either:

  • Naphtha
  • Petroleum, which literally means "rock oil"
  • Rock oil (Scotland) - a substance gathered off sea rocks and used medicinally

Famous quotes containing the words rock and/or oil:

    “In the black of desire
    we rock and grunt, grunt and
    shine”
    —Denise Levertov (b. 1923)

    “I bade, because the wick and oil are spent
    And frozen are the channels of the blood....”
    —William Butler Yeats (1865–1939)