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coal
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- pronunciation:
- kol
- features:
- Word Explorer
| part of speech: |
noun |
| definition 1: |
Coal is a kind of hard material that is found in the earth. It looks like rock, but it isn't really rock. Coal is often black. It can be burned and used for fuel. Coal is sometimes used to produce the electricity that people use in their homes.
In the past, trains often used coal for fuel.
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| definition 2: |
A coal is a piece of burning coal or a piece of wood that has been burning for a long time.
We roasted marshmallows over the hot coals of the campfire. |
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