bituminous
bi tooh muh nuhs
- a resembling or containing bitumen
bituminous coal
- The bituminous coal industry has not had a profitable year since 1925.
- In the bituminous fields, there is no monopoly tendency; there are many mines and cut-throat competition.
- Millionaires' Day was held in Washington last week, this time by the Senate Interstate Commerce Committee in its bituminous coal investigation.