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[muh-nom-i-ter] /məˈnɒm ɪ tər/
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.
Origin of manometer
1700-10; < French manomètre, equivalent to mano- (< Greek manós loose, rare, sparse) + -mètre -meter
Related forms
[man-uh-me-trik] /ˌmæn əˈmɛ trɪk/ (Show IPA),
manometrical, adjective
manometrically, adverb
manometry, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for manometer


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
Derived Forms
manometric (ˌmænəʊˈmɛtrɪk), manometrical, adjective
manometrically, adverb
manometry, noun
Word Origin
C18: from French manomètre, from Greek manos sparse + metron measure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for manometer

1730, from French manomètre (1706), said to have been coined by French mathematician Pierre Varignon (1654-1722) from Greek manos "thin, rare; loose in texture, porous; scanty, few" (see mono-) + -mètre (see -meter). Related: Manometric.

Online Etymology Dictionary, © 2010 Douglas Harper
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manometer in Medicine

manometer ma·nom·e·ter (mā-nŏm'ĭ-tər)

  1. An instrument that is used for measuring the pressure of liquids and gases.

  2. A sphygmomanometer.

man'o·met'ric (mān'ə-mět'rĭk) or man'o·met'ri·cal adj.
ma·nom'e·try n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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manometer in Science

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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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