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semibituminous coal

[ sem-ee-bi-too-muh-nuhs, -tyoo-, sem-ahy-, sem-ee-, sem-ahy- ]

noun

  1. a coal intermediate between bituminous and anthracite coal in hardness, yielding the maximum heat of any ordinary steam coal.


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Word History and Origins

Origin of semibituminous coal1

First recorded in 1855–60; semi- + bituminous

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