chlorpromazine

noun

1. (countable, uncountable)A synthetic antipsychotic drug, with the chemical formula C₁₇H₁₉ClN₂S.

   “Chlorpromazine should be taken with caution in combination with barbiturates, sleeping pills, narcotics, or any other medication which may produce a depressive effect. Avoid alcohol.”

   “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.”