逆ぎゃく性せい石せっ鹸けん

noun

cationic soap; invert soap; positive soap

Technical 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つかわれる。

  Cationic soap is often used in hospitals because of its disinfectant properties.

• 柔じゅう軟なん剤ざいには逆ぎゃく性せい石せっ鹸けんが含ふくまれていることが多おおい。

  Fabric softeners often contain cationic soap.