单词 | Mapp gas |
释义 | Mapp gas/ˈmap ɡas/(also MAPP Gas, mapp gas, Mapps gas) Chiefly US noun A trademark for: a liquefied mixture of methyl acetylene and other hydrocarbon gases which is used as a fuel, especially in blowtorches. Origin1960s; earliest use found in The Official Gazette. Origin of first element uncertain; perhaps from m- + a- + p…p- + gas adjective. |
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