bituminous
Of or pertaining to bitumen.
Adjective
- Of or pertaining to bitumen.
Origin
From French bitumineux.
Forms
Derived
bituminous coal bituminousness bituminous sand bituminous shale calcareobituminous nonbituminous pyrobituminous semibituminous subbituminous
Noun
- Bituminous coal.
- A type or grade of bituminous coal.