[ 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.

Nearby words

  1. mano nera, la,
  2. manoah,
  3. manoao,
  4. manoeuvre,
  5. manolete,
  6. manometric,
  7. manon,
  8. manon lescaut,
  9. manor,
  10. manor house

Origin of manometer

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

Related formsman·o·met·ric [man-uh-me-trik] /ˌmæn əˈmɛ trɪk/, man·o·met·ri·cal, adjectiveman·o·met·ri·cal·ly, adverbma·nom·e·try, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for manometer

British Dictionary definitions for manometer


/ (məˈnɒmɪtə) /


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 Formsmanometric (ˌmænəʊˈmɛtrɪk) or manometrical, adjectivemanometrically, adverbmanometry, noun

Word Origin for manometer

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

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

Medicine definitions for manometer


[ mă-nŏmĭ-tər ]


An instrument that is used for measuring the pressure of liquids and gases.
A sphygmomanometer.
Related formsman′o•metric (măn′ə-mĕtrĭk) null•nome•try n.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for manometer


[ mə-nŏmĭ-tər ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.