单词 | acetylene |
释义 | Word Frequency acetylene(əˈsɛtɪˌliːn) noun 1. a colourless flammable gas used in the manufacture of organic chemicals and in cutting and welding metals. Formula: C2H2 Systematic name: ethyne2. a. another name for alkyne b. (as modifier) acetylene series Derived forms acetylenic (əˌsɛtɪˈlɛnɪk) adjective |
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