单词	coal gas
释义	coal gas noun : gas made from coal: such as a : the mixture of gases thrown off by burning coal b : gas made by carbonizing bituminous coal in retorts and used for heating and lighting Example Sentences Recent Examples on the Web Up until the 1960s, the ovens and stoves in many British homes used coal gas, which was rich in dangerous carbon monoxide and was implicated in many deaths, accidental or intentional. Dave Philipps, New York Times, 15 Oct. 2020 The ship had been extensively refitted, an operation that included swapping out its old engine for a new one that ran not on coal gas, but on gasoline. John Kelly, Washington Post, 14 Sep. 2019 Green was an innovator who pioneered the use of coal gas instead of hydrogen gas to power balloons, as well as the use of the guide rope, a way of controlling the otherwise-unsteerable balloon’s progress using, literally, a long rope. Kat Eschner, Smithsonian, 31 Jan. 2017 Word History First Known Use 1806, in the meaning defined above
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