pinacolone

noun

pi·​nac·​o·​lone

-ˌlōn

plural -s

1

: 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

2

: any of a series of ketones R₃CCOR formed like pinacolone from other pinacols

Word History

Etymology

pinacol + -one

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