Property of a crystal to exhibit electric polarity when subject to mechanical stress (direct piezoelectric effect) or mechanical deformation upon application of an electrical field (converse piezoelectric effect).

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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.

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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.

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