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Noun: tranquilliser  'trang-kwi,lI-zu(r)
Usage: Brit (N. Amer: tranquilizer)
  1. A drug used to reduce stress or tension without reducing mental clarity
    - tranquilizer [N. Amer], tranquillizer, antianxiety agent, ataractic drug, ataractic agent, ataractic

Derived forms: tranquillisers

Type of: psychotropic, psychotropic agent, psychotropic drug, sedative-hypnotic, sedative-hypnotic drug

Encyclopedia: Tranquilliser