[pahy-ee-zoh-i-lek-tris-i-tee, -ee-lek-, pee-ey-zoh-]
electricity, or electric polarity, produced by the piezoelectric effect.

1890–95; < Greek piéz(ein) to press + -o- + electricity

piezoelectric [pahy-ee-zoh-i-lek-trik, pee-ey-] , adjective
piezoelectrically, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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relating to or involving piezoelectricity; "piezoelectric plates" 

electricity produced by mechanical pressure on certain crystals (notably quartz or Rochelle salt); alternatively, electrostatic stress produces a change in the linear dimensions of the crystal 
WordNet® 3.0, © 2006 by Princeton University.
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Example sentences
To drive the wing, he needed piezoelectric actuators, which at high frequencies
  can generate more power than fly muscle can.
The main thing at work in the fibres is a type of piezoelectric polymer.
In their microscope setup, a fiber-optic wire spat out photons as a
  piezoelectric crystal made it vibrate in two dimensions.
We're also working on piezoelectric devices that can harvest power from the
  movements of the body.
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