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The Middle Eastern countries produce most of the world's oil.
We need to do more to reduce our dependence on foreign oil.
Heat can be provided by oil, gas, or electricity.
North Sea oil
A large tanker can carry several million tons of crude oil.
I prefer to work in oils.
This is the British English definition of oil. View American English definition of oil.
a large area of land that continues further out into the sea than the land it is part of. This...