acetonylacetone

noun

ac·​e·​ton·​yl·​ac·​e·​tone

ˈa-sə-(ˌ)tō-ˌnil-ˈa-sə-ˌtōn,

ə-ˈse-tə-

plural -s

: a mobile fragrant liquid diketone (CH₃COCH₂)₂ obtained by hydrolysis of 2,5-dimethyl-furan and in other ways; 2,5-hexane-dione

Word History

Etymology

International Scientific Vocabulary acetonyl + acetone

First Known Use

1884, in the meaning defined above

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