Definition of "coal"
- noun
A black rock formed from prehistoric plant remains, composed largely of carbon and burned as a fuel.
A piece of coal used for burning. Note that in British English the first of the following examples would usually be used, whereas in American English the latter would.
A type of coal, such as bituminous, anthracite, or lignite, and grades and varieties thereof.
A smouldering piece of material.
- verb
To take on a supply of coal (usually of steam ships).
To be converted to charcoal.
- Sources