Englishfor English speakers
mineral
Noun
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A mineral is a substance in the earth such as calcium, salt, iron, etc.
The rocks in this area are rich in minerals.
Eating nuts will help your body get the minerals it needs.
oil
Noun
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Oil is a liquid that is burned to create heat or used in machines to make them run well.
Gas and oil are essential to running a car.
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Oil is a liquid made of fat that is used for cooking.
Cook the potatoes in oil.
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An oil is a painting made of oil paint.
oil
Verb
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If you oil something, you put clear oil on a machine to make it run well.
She oiled the parts of the gun.