pyro-electricity

pyroelectricity

[pahy-roh-i-lek-tris-i-tee, -ee-lek-]
noun
electrification or electrical polarity produced in certain crystals by temperature changes.

Origin:
1825–35; pyro- + electricity

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World English Dictionary
pyroelectricity (ˌpaɪrəʊɪlɛkˈtrɪsɪtɪ, -ˌiːlɛk-)
 
n
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

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