plural -s
: a liquid ketone (CH3)3COCH3 of peppermint odor formed from pinacol by treatment with acid to cause loss of water and molecular rearrangement; 3,3-dimethyl-2-butanone
: any of a series of ketones R3CCOR formed like pinacolone from other pinacols

Word History


pinacol + -one

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Dictionary Entries Near pinacolone

Cite this Entry

“Pinacolone.” Dictionary, Merriam-Webster, Accessed 23 Apr. 2024.

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