from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The generation of electricity or of electric polarity in dielectric crystals subjected to mechanical stress, or the generation of stress in such crystals subjected to an applied voltage.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The ability of certain crystals to generate a voltage in response to applied mechanical stress.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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
piezo- + electricity (Wiktionary)