pyroelectricity[pī′rō ē′lek′tris′ə tē]
pyroelectricity definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the development of electric dipoles in certain crystalline materials as a result of temperature changes
often called pyroelectric effect
pyroelectricity definition by American Heritage Dictionary
Generation of electric charge on a crystal by change of temperature.