acetonylidene
noun
ac·e·ton·yl·i·dene
\ˌa-sə-tō-ˈni-lə-ˌdēn, ə-ˌse-tə-\
Definition of acetonylidene
-s
: the bivalent radical CH3COCH< formed by removal of two hydrogen atoms from the same carbon atom of acetone
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Origin and Etymology of acetonylidene
acetonyl + -idene
First Known Use: 1919
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