acetoacetyl

noun

ace·​to·​ace·​tyl

¦a-sə-(ˌ)tō-ə-ˈsē-tᵊl,

ə-ˌsē-tō-,

-ˈa-sə-tᵊl

plural -s

: the radical CH₃COCH₂CO− of acetoacetic acid

Word History

Etymology

acet- + acetyl

First Known Use

1900, in the meaning defined above

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