• (a.) Pertaining to, or dependent on, pyroelectricity; receiving electric polarity when heated. • (n.) A substance which becomes electrically polar when heated, exhibiting opposite charges of statical electricity at two separate parts, especially the two extremities. Found on http://thinkexist.com/dictionary/meaning/pyroelectric/
Pyr`o·e·lec'tric adjective [ Pyro- + electric .] (Physics) Pertaining to, or dependent on, pyroelectricity; receiving electric polarity when heated. Found on http://www.encyclo.co.uk/webster/P/204
said of any material that generates an electric charge as the result of a change of temperature -- e.g., heating. Found on https://www.encyclo.co.uk/local/20132