pyroelectricity

[ pahy-roh-i-lek-tris-i-tee, -ee-lek- ]
/ ˌpaɪ roʊ ɪ lɛkˈtrɪs ɪ ti, -ˌi lɛk- /

noun

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

Origin of pyroelectricity

First recorded in 1825–35; pyro- + electricity

British Dictionary definitions for pyroelectricity

pyroelectricity
/ (ˌpaɪrəʊɪlɛkˈtrɪsɪtɪ, -ˌiːlɛk-) /

noun

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