Acetophenone
enUSAc`e`to`phe´none
(~fē´nōn)n. | 1. | (Chem.) A crystalline ketone, CH3.CO.C6H5, which may be obtained by the dry distillation of a mixture of the calcium salts of acetic and benzoic acids. It is used as a hypnotic under the name of hypnone. |