bn:00010801n
Noun Concept
Categories: Symbols of West Virginia, Wikipedia articles incorporating a citation from the New International Encyclopedia, Sedimentary rocks, Coal
EN
bituminous coal  soft coal  Anthracite  smithing coal
EN
Rich in tarry hydrocarbons; burns readily with a smoky yellow flame WordNet 3.0
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EN
Bituminous coal, or black coal, is a type of coal containing a tar-like substance called bitumen or asphalt. Wikipedia
Collective term for higher quality coal Wikidata
Bituminous coal, distinguished from hard coal or anthracite. Wiktionary
WordNet 3.0 & Open English WordNet
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