chlorpromazine

1. (pharmacology) A synthetic drug used as a tranquillizer, sedative, and antiemetic. It is a phenothiazine derivative.Examples: "In the early 1950s two French physicians, J. Delay and P. Deniker, noted the remarkable calming effects of a new drug, chlorpromazine, which was initially tested as an agent to be given to patients prior to major surgery to relax them."Synonyms: aminazine, Largactil, Thorazinecountableuncountable