adj, noun ·4 syllables ·Rare ·Advanced level

Definitions

Noun

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

Adjective

1. 1
   Of or pertaining to bitumen.

Adjective

1. 1
   resembling or containing bitumen wordnet

Synonyms

All synonyms

asphaltic

Etymology

From French bitumineux.

Related phrases

bituminous coalbituminous sandbituminous shale

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.