from The American Heritage® Dictionary of the English Language, 5th Edition.
noun An instrument used for measuring the pressure of liquids and gases.
noun A sphygmomanometer.
from The Century Dictionary.
noun In physiology, an instrument used for determining blood-pressure.
noun An instrument for determining and indicating the elastic pressure of gases or vapors.
from the GNU version of the Collaborative International Dictionary of English.
noun An instrument for measuring the tension or elastic force of gases, steam, etc., constructed usually on the principle of allowing the gas to exert its elastic force in raising a column of mercury in an open tube, or in compressing a portion of air or other gas in a closed tube with mercury or other liquid intervening, or in bending a metallic or other spring so as to set in motion an index; a pressure gauge. See pressure, and Illust. of air pump.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
noun An instrument to measure pressure in a fluid, especially a double-legged liquid column gauge used to measure the difference in the pressures of two fluids.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun a pressure gauge for comparing pressures of a gas
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[Greek manos, sparse; see men- in Indo-European roots + –meter.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
From French manomètre, formed from Ancient Greek μανός (manós, "thin, rare") + μέτρον (métron).
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Examples
[1] In M. Verne's book a 'manometer' is the instrument used, of which very little is known.
He also developed numerous other instruments, including the manometer, cyanometer, diaphonometer, anemometer and mountain eudiometer, the first electrometer (1766), a device for measuring electric potential by means of attraction or repulsion of charged bodies, and the first hygrometer, utilizing a human hair to measure humidity (1783).
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