bituminous
EnglishEdit
EtymologyEdit
From French bitumineux.
AdjectiveEdit
bituminous (comparative more bituminous, superlative most bituminous)
- Of or pertaining to bitumen.
NounEdit
bituminous (countable and uncountable, plural bituminouses)
- (uncountable) Bituminous coal.
- (countable) A type or grade of bituminous coal.