次じ亜あ塩えん素そ酸さんじあえんそさんMeanings1nounhypochlorous acidchemistry›A weak acid with the formula HClO, used as a disinfectant and bleaching agent. Technical term in chemistry.次じ亜あ塩えん素そ酸さんは殺さっ菌きん作さ用