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pyroelectricity

[ pahy-roh-i-lek-tris-i-tee, -ee-lek- ]

noun

  1. electrification or electrical polarity produced in certain crystals by temperature changes.


pyroelectricity

/ -ˌiːlɛk-; ˌpaɪrəʊɪlɛkˈtrɪsɪtɪ /

noun

  1. the development of opposite charges at the ends of the axis of certain hemihedral crystals, such as tourmaline, as a result of a change in temperature
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of pyroelectricity1

First recorded in 1825–35; pyro- + electricity
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Example Sentences

Determining whether pyroelectricity comes from the surface, rather than from inside a crystal, is not trivial.

From Nature

This is interesting, because it implies that the pyroelectricity does not simply arise from thermal expansion of the piezoelectric surface5, but from a true phase transition confined to the surface.

From Nature

Therefore, the pyroelectricity seems to arise from an inherent surface distortion.

From Nature

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pyroelectricpyrogallate