5/18/2014 piezoelectric effect - definition of piezoelectric effect by the Free Online Dictionary, Thesaurus and Encyclopedia.

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piezoelectric effect (paɪˌiːzəʊɪlɛkˈtrɪsɪtɪ) or piezoelectricity

n1. (General Physics) physics

a. the production of electricity or electric polarity by applying a mechanical stress to certain crystalsb. the converse effect in which stress is produced in a crystal as a result of an applied potential difference

piˌezoeˈlectrically adv

Collins English Dictionary – Complete and Unabridged © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003

piezoelectric effect (pī-ē′zō-ĭ-lĕk′trĭk)

The generation of an electric charge in certain nonconducting materials, such as quartz crystals and ceramics, whenthey are subjected to mechanical stress (such as pressure or vibration), or the generation of vibrations in suchmaterials when they are subjected to an electric field. Piezoelectric materials exposed to a fairly constant electric fieldtend to vibrate at a precise frequency with very little variation, making them useful as time-keeping devices in electronicclocks, as used in wristwatches and computers.

The American Heritage® Science Dictionary Copyright © 2005 by Houghton Miffl in Company. Published by Houghton Miffl in Company. All rights reserved.

Thesaurus Legend: Synonyms Related Words Antonyms

Noun 1. piezoelectric effect - electricity produced by mechanical pressure on certain crystals (notably quartz orRochelle salt); alternatively, electrostatic stress produces a change in the linear dimensions of the crystal

piezo effect, piezoelectricity

electricity - a physical phenomenon associated with stationary or moving electrons and protons

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Mentioned in References in periodicals archive Dictionary browser Full browser

crystalelectricitypiezo effectpiezoelectric crystalpiezoelectricity

They rigorously derive the equation governing thepiezoelectric effect of a material, and along the wayestablish a number of fundamental properties of theKohn-Sham map.

The Kohn-Sham equation for deformed crystals byReference & Research Book News

The crystal, made from a material called lithiumniobate, uses the piezoelectric effect to amplify theinput voltage.

Tricorder for Diagnosis, Terrorism Prevention byFARS News Agency

The research is published as "Investigation of thePiezoelectric Effect as a Means to Generate X-Rays"in the journal IEEE Transaction on Plasma Science.

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5/18/2014 piezoelectric effect - definition of piezoelectric effect by the Free Online Dictionary, Thesaurus and Encyclopedia.

http://www.thefreedictionary.com/piezoelectric+effect 2/2

Soon, portable X-Ray that could fit in the palm of thehand by Asian News International

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