bituminous

EnglishEdit

EtymologyEdit

From French bitumineux.

AdjectiveEdit

bituminous (comparative more bituminous, superlative most bituminous)

  1. Of or pertaining to bitumen.

NounEdit

bituminous (countable and uncountable, plural bituminouses)

  1. (uncountable) Bituminous coal.
  2. (countable) A type or grade of bituminous coal.