ma·nom·e·ter

[muh-nom-i-ter]
noun
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:
1700–10; < French manomètre, equivalent to mano- (< Greek manós loose, rare, sparse) + -mètre -meter

man·o·met·ric [man-uh-me-trik] , man·o·met·ri·cal, adjective
man·o·met·ri·cal·ly, adverb
ma·nom·e·try, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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00:10
Manometer is always a great word to know.
So is callithumpian. Does it mean:
a chattering or flighty, light-headed person.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
Collins
World English Dictionary
manometer (məˈnɒmɪtə) [Click for IPA pronunciation guide]
 
n
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
 
[C18: from French manomètre, from Greek manos sparse + metron measure]
 
manometric
 
adj
 
mano'metrical
 
adj
 
mano'metrically
 
adv
 
ma'nometry
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

manometer
1730, from Fr. manomètre (1706), from Gk. manos "thin, rare" + -mètre (see meter (3)).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

manometer ma·nom·e·ter (mā-nŏm'ĭ-tər)
n.

  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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American Heritage
Science Dictionary
manometer   (mə-nŏm'ĭ-tər)  Pronunciation Key 


(click for larger image in new window)

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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Example sentences
The manometer tapes are in feet, tenths of feet and hundredths of feet.
Manometer board measurements taken during first synoptic.
The gauge or manometer must have a clearly marked line or lines showing minimum
  acceptable vacuum levels.
D function and proper installation is essential to operate the manometer
  satisfactorily.
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