- [noun] fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period
- [noun] a hot glowing or smouldering fragment of wood or coal left from a fire
- [verb] burn to charcoal; "Without a drenching rain, the forest fire will char everything"
- [verb] supply with coal
- [verb] take in coal; "The big ship coaled"
- Search for synonyms for COAL
- anthracite, anthracite coal, hard coal
- bituminous coal, soft coal
- lignite, brown coal, wood coal
- steam coal