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Electric currents generated by pressure on certain crystals, for example, quartz, mica, calcite.
[G. piezō, to press, squeeze, + electricity]


(pe-a'zo-e-lek-tris?i-te) [? + elektron, amber]
Production of an electric current by application of pressure to certain crystals such as mica, quartz, or Rochelle salt.
See: triboluminescence

piezoelectricity (pēˈ·ā·zō·ēˈ·lek·triˑ·si·tē),

n electrical current produced by mechanical pressure on connective tissue and other crystals like quartz, mica, and Rochelle salt.
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References in periodicals archive ?
The most dominant product type within the global smart materials market was piezo-electric materials (2013).
The Opalux materials change colour in response to pressure, electrical or other stimuli, so the company also sees application for its techniques in fingerprinting and piezo-electric colour displays.
The engine is the first in North America to use a high pressure, high precision, common-rail fuel injection system featuring piezo-electric injectors which pave way for a quieter engine with better emissions.
Herrmann Ultraschalltechnik has introduced a piezo-electric cutting unit.
The 4-cam, 24-valve, twin-turbo V-6 features the Siemens second generation common-rail direct injection and piezo-electric injector operation.
The 'drop on demand' technology camp has split into two: thermal and piezo-electric technologies.
A number of years ago, I had an application that required attaching a piezo-electric shock sensor to a disk drive board.
Lesieutre, professor of aerospace engineering and associate director of the Penn State Center for Acoustics and Vibration, explains that, like other energy harvesting circuits, the device depends on the fact that piezo-electric materials, when flexing through vibration, produce AC current and voltage.
The resonator does not use any piezo-electric principle.
4 inch screen with piezo-electric touch controls, making it easy to operate.
In the majority of applications the measurement of cutting forces during machining is done using dynamometers based on either strain gages or piezo-electric transducer with quartz sensors.
Philipp Schreiber has developed a digital shoe that uses a piezo-electric insert to convert walking energy into electricity.