地じ鉄てつじてつMeanings1nounferriteTechnical term for a ceramic-like magnetic material used in electronics and magnets. Often encountered in engineering contexts.See also: フェライト地じ鉄てつは高こう周しゅう波は回かい路ろでよく使つかわれる磁じ性せい材ざい料りょうです。Ferrite is a magnetic material often used in high-frequency circuits.