bituminous

[bahy-too-muh-nuhs, -tyoo-, bih-]

adjective

1. resembling or containing bitumen.

   bituminous shale.

Other Word Forms

• nonbituminous adjective

Word History and Origins

Origin of bituminous¹

1610–20; < Latin bitūminōsus, equivalent to bitūmin- (stem of bitūmen ) bitumen + -ōsus -ous

Example Sentences

Named for the coalfields that had been found alongside the nearby Bluestone River, the Bluefields sat amid some of the largest deposits of bituminous coal in the world.

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Gob, an acronym for “garbage of bituminous,” is waste coal — low-quality material dug from a mine that is mixed with rock and clay, making it harder and less efficient to burn.

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The bituminous crude requires mixing before it can be transported and exported.

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Last year, the Mitchell plant burned about 2.5 million tons of bituminous coal.

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Just east of the school as Railroad Avenue turns into Quinnon Extended are the historic coke ovens, where tons of bituminous coal were smelted into coke.

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