piezoelectric polymer

https://doi.org/10.1351/goldbook.PT07183
  1. Polymer that exhibits a change in dielectric properties on application of pressure.
  2. Polymer that shows a change in its dimensions when subjected to an electric field.
Source:
PAC, 2004, 76, 889. (Definitions of terms relating to reactions of polymers and to functional polymeric materials (IUPAC Recommendations 2003)) on page 901 [Terms] [Paper]