The Collaborative International Dictionary
hypnone
Acetophenone \Ac`e*to*phe"none\ (-f[=e]"n[=o]n), n. [Acetic + phenyl + one.] (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.