O que é coal?
O que é coal?
- A natural dark brown to black graphitelike material used as a fuel, formed from fossilized plants and consisting of amorphous carbon with various organic and some inorganic compounds.
- A piece of this substance.
- A glowing or charred piece of solid fuel.
- Charcoal.
- To burn (a combustible solid) to a charcoal residue.
- To provide with coal.
- To take on coal.