過酸化水素 かさんかすいそ Meanings Noun H2O2; hydrogen peroxide Kanji 過 pass. Read as カ. 酸 acid. Read as サン. 化 transform 水 water. Read as スイ. 素 element. Read as ソ. Words containing 過酸化水素 過酸化水素水 (かさんかすいそすい) hydrogen peroxide solution Jinuma: Japanese Dictionary · Word lists