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acetonylidene

noun
ac·​e·​ton·​yl·​i·​dene | \ ˌa-sə-tō-ˈni-lə-ˌdēn, ə-ˌse-tə-\
plural -s

Definition of acetonylidene

: the bivalent radical CH3COCH< formed by removal of two hydrogen atoms from the same carbon atom of acetone

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First Known Use of acetonylidene

1919, in the meaning defined above

History and Etymology for acetonylidene

acetonyl + -idene

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The first known use of acetonylidene was in 1919

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