acetylene

acetylene
[əˈsɛtɪliːn]
noun
  1. (Chemistry)a colourless pungent-smelling hydrocarbon gas, which burns with a bright flame, used in welding and formerly in lighting
    (化)乙炔
  2. Alternative name: ethyne; chem. formula: C2H2
    又名: ethyne;化学分子式: C2H2
语源
  1. mid 19th cent.: from acetic acid + -yl + ene
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