oil, n.All

Whales were saved from extinction by the discovery of oil as a fuel that could replace blubber

Oil is an ideal lubricant for hostilities.

Is drilling for oil boring?

Oil is a lucrative business. A well run oil company is the best business in the world. The second best business in the world is a badly run oil company.

Oil is the flammable liquid residue of fossilized prehistoric plants and beasts, found to be suitable for fueling engines and Middle East conflicts.

if corn oil is made from corn, and vegetable oil is made from vegetables, what is baby oil made from?

Oil is sometimes a lubricant, but never in international affairs.