Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An instrument used for measuring the pressure of liquids and gases.
  • n. A sphygmomanometer.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. 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 the GNU version of the Collaborative International Dictionary of English

  • n. 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 The Century Dictionary and Cyclopedia

  • n. An instrument for determining and indicating the elastic pressure of gases or vapors.
  • n. In physiology, an instrument used for determining blood-pressure.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a pressure gauge for comparing pressures of a gas

Etymologies

Greek manos, sparse; + -meter.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From French manomètre, formed from Ancient Greek μανός (manós, "thin, rare") + μέτρον (métron). (Wiktionary)

Examples

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