Topic: GEOLOGY
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| Date: | 1400-1500 |
| Language: | Medieval Latin |
| Origin: | mineralis 'of mines', from Old French mine; MINE2 |
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min‧e‧ral
[countable]
[countable]1HEG a substance that is formed naturally in the earth, such as coal, salt, stone, or gold. Minerals can be dug out of the ground and used :
2DFN a natural substance such as iron that is present in some foods and is important for good health : Fish is a rich source of vitamins and minerals.
Fish is a rich source of vitamins and minerals.