Main Entry: ac·e·tone

Pronunciation: \ˈa-sə-ˌtōn\

Function: noun

Etymology: German Azeton, from Latin acetum

Date: circa 1839

: a volatile fragrant flammable liquid ketone C₃H₆O used chiefly as a solvent and in organic synthesis and found in abnormal quantities in diabetic urine

— ac·e·ton·ic \ˌa-sə-ˈtä-nik\ adjective