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tranquilizer definition

tran·quil·izer or tranquillizer tran′·quil·liz′er (-līz′ər)

noun

a person or thing that tranquilizes; esp., a depressant drug, as Valium or Librium, used as a calming agent in relieving and controlling various emotional disturbances, anxiety neuroses, certain psychoses, etc.

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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