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

Word History


acetonyl + -idene

First Known Use

1919, in the meaning defined above

Time Traveler
The first known use of acetonylidene was in 1919

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Dictionary Entries Near acetonylidene

Cite this Entry

“Acetonylidene.” Dictionary, Merriam-Webster, Accessed 20 May. 2024.

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