coal
//koʊl//
Noun
coalSingular
coalsPlural
1
A hard black or dark brown combustible sedimentary rock formed from fossilized plant matter, used as fuel
Coal is burned to produce electricity in many power plants.
2
A piece of coal, especially one that is burning or has been burned
A hot coal fell out of the fire onto the floor.
3
Charcoal or a piece of charcoal
The artist used coal to sketch the portrait.
Synonym
Verb
1
To supply with coal or take on coal as fuel
The ship stopped at the port to coal before continuing its journey.
2
To burn or char something to coal or charcoal
The wood was coaled in the fire until it turned black.