さんかそ 酸化ヒ素 LinksSentence search for 酸化ヒ素Sentence search for さんかヒそSentence search for 酸化砒素Sentence search for さんかひそKanji details for 酸, 化 and 素Edit in JMdict Noun1. arsenic trioxide; white arsenic (As2O3)Chemistry, See also 亜ヒ酸Noun2. arsenic pentoxide (As2O5)Other forms酸化砒素 【さんかひそ】 Discussions Log in to talk about this word.