| 单词 | ketene |
| 释义 | ketene /kee"teen/, n. Chem. a colorless, poisonous gas, C2H2O, irritating to the lungs, prepared from acetone or acetic acid by pyrolysis: used chiefly in the manufacture of certain commercial chemicals, as acetic anhydride and aspirin. [1905-10; KET- + -ENE] |
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