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[pahy-uh-zom-i-ter, pee-uh-] /ˌpaɪ əˈzɒm ɪ tər, ˌpi ə-/
any of several instruments for measuring the pressure of a fluid or the compressibility of a substance when subjected to such a pressure.
Origin of piezometer
1810-20; < Greek piéz(ein) to press + -o- + -meter
Related forms
[pahy-ee-zuh-me-trik, pee-ey-] /paɪˌi zəˈmɛ trɪk, piˌeɪ-/ (Show IPA),
piezometrical, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for piezometer
  • piezometer sites differ in the direction of vertical flow between surface and subsurface water.
  • piezometer openings are shown larger than they should be constructed in practice.
  • The piezometer and porous tip should be saturated with clean de-aired water.
  • The porous piezometer stone should be soaked in water for several hours prior to installation.
  • piezometer installation and monitoring in active river channels is difficult and expensive.
  • piezometer-nest identifiers are shown along the land surface.
  • Complete and file for each plugged monitor well, piezometer, or other boring.
  • Jetting methods have potential use for monitoring well and piezometer installation in unconsolidated formations.
  • Some sticks contain a piezometer and manometer to average the pulsations in the head reading.
  • However, the in-stream piezometer at this site had to be re-installed on each visit.
British Dictionary definitions for piezometer


any instrument for the measurement of pressure (piezometry), esp very high pressure, or for measuring the compressibility of materials under pressure
Derived Forms
piezometric (paɪˌiːzəʊˈmɛtrɪk) adjective
piezometrically, adverb
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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piezometer in Science
  1. An instrument for measuring fluid pressure, such as the pressure of water or gas in a pipe.

  2. An instrument for measuring the compressibility of a material, especially in terms of the change in volume it undergoes when subjected to hydrostatic pressure.

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