C1 a hard, black substance that is dug from the earth in pieces, and can be burned to produce heat or power, or a single piece of this:
How much coal was mined here?
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- Wood and coal are both combustible substances.
- The coal fire had discoloured the paintwork.
- Many miners have suffered from the effects of coal dust in their lungs.
- Wood, coal, oil, petrol and gas are all different kinds of fuel.
- We ordered a hundredweight of coal.
