ferroelectric Syllabification: (fer·ro·e·lec·tric)Pronunciation: /ˌferō-iˈlektrik/ PhysicsDefinition of ferroelectric adjective (of a substance) exhibiting permanent electric polarization that varies in strength with the applied electric field. noun a ferroelectric substance. Derivatives ferroelectricityPronunciation: /ˌferō-iˌlekˈtrisəte/ noun ferroelectric in other Oxford dictionaries Definition of ferroelectric in the British & World English dictionary