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  1. Oxford American Dictionary

    manometer

    • IPA[məˈnämədər]

    美式

    • n.
      an instrument for measuring the pressure acting on a column of fluid, especially one with a U-shaped tube of liquid in which a difference in the pressures acting in the two arms of the tube causes the liquid to reach different heights in the two arms.

    • noun: manometer, plural noun: manometers