fer·ro·e·lec·tric 
(fĕr′ō-ĭ-lĕktrĭk)
(fĕr′ō-ĭ-lĕktrĭk)adj.
Of or relating to a crystalline dielectric that can be given a permanent electric polarization by application of an electric field.
n.
A ferroelectric substance.
fer′ro·e·lec·trici·ty (-ĭ-lĕk-trĭsĭ-tē, -ē′lĕk-) n.