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bituminous

American  
[bahy-too-muh-nuhs, -tyoo-, bih-] / baɪˈtu mə nəs, -ˈtju-, bɪ- /

adjective

  1. resembling or containing bitumen.

    bituminous shale.


Other Word Forms

Etymology

Origin of bituminous

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The game was born out of distinctly American forms of machinery, from Walter Camp’s New Haven Clock Company to the bituminous coal and mill towns of Pennsylvania.

From Washington Post Jan. 14, 2020

Coal tipples and the soft bituminous coal they handle are more common in Western Pennsylvania, she said.

From Seattle Times Dec. 25, 2017

With increasing heat and pressure, lignite turns to sub-bituminous coal, bituminous coal, and then, in a process like metamorphism, anthracite.

From Textbooks Jan. 1, 2017

However, since soft coal is mainly used in energy generation, “It’s definitely affecting the bituminous region more than the anthracite region,” Stefanko said.

From Washington Times Jun. 6, 2015

Coalwood, West Virginia, where I grew up, was built for the purpose of extracting the millions of tons of rich bituminous coal that lay beneath it.

From "October Sky" by Homer Hickam

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