chlorpromazine n 1: a drug (trade name Thorazine) derived from phenothiazine that has antipsychotic effects and is used as a sedative and tranquilizer [syn: {chlorpromazine}, {Thorazine}]
chlorpromazine \chlorpromazine\ n. a drug derived from phenothiazine and used as a sedative and tranquilizer. [WordNet 1.5]