逆ぎゃく性せい石せっ鹸けんぎゃくせいせっけんじ字FuriganaMeanings1nouncationic soap; invert soap; positive soapTechnical term for a type of surfactant where the active part is a cation; used in disinfectants and fabric softeners. Not ordinary soap.逆ぎゃく性せい石せっ鹸けんは殺さっ菌きん作さ用ようがあるため、病びょう院いんでよく使