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ke·tene | \ ˈkē-ˌtēn 
\
\Definition of ketene
: a colorless poisonous gas C2H2O of penetrating odor used especially as an acetylating agent also : any of various derivatives of this compound
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ketene
nounke·tene | \ ˈkē-ˌtēn \
\Medical Definition of ketene
: a colorless poisonous gas C2H2O of penetrating odor used especially as an acetylating agent also : any of various derivatives of this compound
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Time Traveler for ketene
The first known use of ketene was in 1907
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