Ketene Definition
 kētēn 
    noun
  
 A colorless, toxic gas, H2C∶CO, with a penetrating odor, made by passing acetone or acetic acid through hot metal tubes: used esp. as an acetylating agent.
 Webster's New World 
Any of a series of related organic compounds containing the C∶CO group.
 Webster's New World 
Other Word Forms of Ketene
Noun
Singular:
 ketenePlural:
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