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  

/ ˌmænəʊˈmɛtrɪk, 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

Derived Forms

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

Etymology

Origin of manometer

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

Example Sentences

The pressure of a sample of gas is measured at sea level with a closed-end manometer.

From Textbooks • Feb. 14, 2019

The height of the fluid in the manometer is measured relative to the spinal column, and the manometer is open to the atmosphere.

From Textbooks • Aug. 12, 2015

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

From Textbooks • Aug. 12, 2015

Is this independent of the moving fluid and the fluid in the manometer?

From Textbooks • Aug. 12, 2015

To the boot was attached a flexible tube, stopcock, pump, and if desired, a manometer for measuring the vacuum produced.

From Bloodletting Instruments in the National Museum of History and Technology by Appel, Toby