Definitions for "Bituminous"
Having the qualities of bitumen; compounded with bitumen; containing bitumen.
Bituminous is a type of coal that contains very little moisture and has high heat value. It is used to generate electricity and to produce coke, a coal residue used in the steel industry. Bituminous coal is the most plentiful type in the United States.
Impregnated with bitumen (ordinary household coal).