单词	bituminous coal
释义	bituminous coal noun : a coal that when heated yields considerable volatile bituminous matter called also soft coal Example Sentences Recent Examples on the Web Brown coal, or lignite, is sedimentary rock that is less compressed than typical bituminous coal. Alec Macgillis, ProPublica, 31 Jan. 2022 In 2018, mining of bituminous coal in Germany was shut down for good. Alec Macgillis, ProPublica, 31 Jan. 2022 Flight 93 went down on the barren site of an old strip mine, where generations of laborers had extracted bituminous coal. Paige Williams, The New Yorker, 10 Sep. 2021 In 1920, a typical miner in the United States extracted an average of four tons of bituminous coal per day. Eric Lipton, New York Times, 6 Oct. 2020 Begun in the 1970s, MTM, also called surface mining, escalated in the 1990s as a cheaper way to access the energy-rich bituminous coal beds lying beneath the Appalachian mountain forests. Jessica Wapner, Newsweek, 19 July 2015 In general, bituminous coal, which is the most plentiful type mined in Kentucky and in the U.S., fetches around $50 per ton, according to Kentucky Energy and Environment Cabinet spokesman John Mura. Allison Ross, The Courier-Journal, 20 Dec. 2017 See More Word History First Known Use 1827, in the meaning defined above Kids Definition bituminous coal noun bi·​tu·​mi·​nous coal bə-ˈtü-mə-nəs-, -ˈtyü- : a soft coal that gives a lot of smoke when burned
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