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  1. Oxford American Dictionary

    calcium antagonist

    • IPA[ˈkalsēəm anˈtaɡənəst]
    • n.
      a compound of a type that reduces the influx of calcium into the cells of cardiac and smooth muscle, reducing the strength of contractions. Such drugs are used to treat angina and high blood pressure.

    • noun: calcium antagonist, plural noun: calcium antagonists