adjective
- containing or consisting of bitumen; relating to a type of coal that burns with a smoky flame
Usage: geological; mining
Examples
- The power plant burns bituminous coal to generate electricity.
- Bituminous coal is softer and contains more volatile matter than anthracite.
- The road was paved with bituminous material to create a smooth surface.
- West Virginia has extensive deposits of bituminous coal.
- The bituminous substance oozed from cracks in the pavement.
- Bituminous coal produces more smoke when burned than harder varieties.