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English definition of “oil”

oil

noun [U]
 
 
/ɔɪl/
FUEL B1 a thick liquid that comes from under the Earth's surface that is used as a fuel and for making parts of machines move smoothly: an oil company an oil wellLubricationPetroleum products especially when used as fuelFuels
COOKING A2 a thick liquid produced from plants or animals that is used in cooking: vegetable oil → See also crude oil, olive oilFats and oils in food and cooking
(Definition of oil from the Cambridge Learners Dictionary © Cambridge University Press)
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