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bituminous coal |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.01 sec. |
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bituminous coal: see coal coal, fuel substance of plant origin, largely or almost entirely composed of carbon with varying amounts of mineral matter.
TypesThere is a complete series of carbonaceous fuels, which differ from each other in the relative amounts of moisture, ..... Click the link for more information. . bituminous coalor soft coalMost abundant form of coal. It is dark brown to black and has a relatively high heat value. Widely abundant and with the broadest range of commercial uses, it has long been used for steam generation in electric power plants and industrial boiler plants. Certain varieties are also used to make coke, a hard substance of almost pure carbon that is important for smelting iron ore. One major problem is that burning large quantities of bituminous coal that has a medium to high sulfur content contributes to air pollution and produces acid rain. See also subbituminous coal. |
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| On parting he slipped upon my finger a curiously wrought ring set with a dead-black, lusterless stone, which appeared more like a bit of bituminous coal than the priceless Barsoomian gem which in reality it is. You know today, without my telling you, that the Railroad Trust owns or controls the entire anthracite and bituminous coal fields. |
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bituminous coal
