乙苯; 苯偶姻; 苯乙酮
Acetophenone \Ac`e*to*phe"none\, n. [Acetic + phenyl + one.] (Chem.) A crystalline ketone, {CH3COC6H5}, 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}.