[ 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

pi·e·zo·met·ric [pahy-ee-zuh-me-trik, pee-ey-] /paɪˌi zəˈmɛ trɪk, piˌeɪ-/, pi·e·zo·met·ri·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for piezometer

British Dictionary definitions for piezometer


/ (ˌpaɪɪˈzɒmɪtə) /


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), adjectivepiezometrically, 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

Science definitions for piezometer


[ pī′ĭ-zŏmĭ-tər ]

An instrument for measuring fluid pressure, such as the pressure of water or gas in a pipe.
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.