acetophenone


ace·to·phe·none

noun \ˌas-ə-tō-fə-ˈnōn, ə-ˈsēt-ō-\

Definition of ACETOPHENONE

: a colorless liquid ketone CH3COC6H5 formerly used as a hypnotic but now used chiefly in perfumery—called also hypnone

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