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 acet·y·lene /əˈsɛtḷən, tḷˌin/
 乙炔,電石氣

 acet·y·lene /əˈsɛtḷən, ḷˌɪn/ 名詞
 乙炔,炔

 A·cet·y·lene n. Chem. A gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor, and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on calcium carbide. Its light is very brilliant.
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 acetylene
      n : a colorless flammable gas used chiefly in welding and in
          organic synthesis [syn: ethyne, alkyne]