noun. A drug, C₁₇H₁₉ClN₂S, derived from phenothiazine and used to suppress vomiting and as a sedative and a tranquilizer, especially in the treatment of schizophrenia and other psychotic states.

noun. a drug derived from phenothiazine and used as a sedative and tranquilizer.

noun. A tranquillizing drug, C17H19ClN2S, used in the treatment of schizophrenia etc.

noun. a drug (trade name Thorazine) derived from phenothiazine that has antipsychotic effects and is used as a sedative and tranquilizer

"At the time of this advert, drugs like Thorazine also known by its generic name chlorpromazine were marketed as major tranquillisers."

antipsychotic  antipsychotic agent  antipsychotic drug  major tranquilizer  major tranquilliser  

amine  antipsychotic  buspirone  chlorephedrine  ephedrine