\Pyr`o*e*lec"tric\, a. [Pyro- + electric.]
(Physics)
Pertaining to, or dependent on, pyroelectricity; receiving
electric polarity when heated.

\Pyr`o*e*lec"tric\, n. (Physics)
A substance which becomes electrically polar when heated,
exhibiting opposite charges of statical electricity at two
separate parts, especially the two extremities.