manometer

American  

[muh-nom-i-ter] / məˈnɒm ɪ tər /

noun

1. an instrument for measuring the pressure of a fluid, consisting of a tube filled with a liquid, the level of the liquid being determined by the fluid pressure and the height of the liquid being indicated on a scale.

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manometer British  

/ məˈnɒmɪtə /

noun

1. an instrument for comparing pressures; typically a glass U-tube containing mercury, in which pressure is indicated by the difference in levels in the two arms of the tube

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manometer Scientific  

/ mə-nŏm′ĭ-tər /

1. An instrument used to measure the pressure exerted by liquids and gases. Pressure is exerted on one end of a U-shaped tube partially filled with liquid; the liquid is displaced upwards on the other side of the tube by a distance proportional to the pressure difference on each side of the tube.

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Other Word Forms

• manometry
  noun
• manometric
  adjective
• manometrical
  adjective
• manometrically
  adverb

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Etymology

Origin of manometer

1700–10; < French manomètre, equivalent to mano- (< Greek manós loose, rare, sparse) + -mètre -meter

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Example Sentences

See Examples For:

manometer

The pressure of a sample of gas is measured with an open-end manometer, partially shown to the right.

From Textbooks ● Feb. 14, 2019

Is there any effect on the measured pressure if the manometer is lowered?

From Textbooks ● Aug. 12, 2015

Figure 11.46 A water manometer used to measure pressure in the spinal fluid.

From Textbooks ● Aug. 12, 2015

Let us examine how a manometer is used to measure pressure.

From Textbooks ● Aug. 12, 2015

I could now follow the ascent of the boat without consulting the manometer.

From The Adventures of the U-202 An Actual Narrative by E. Spiegel

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