酸さん化かヒ素そMeaningsNoun1. arsenic trioxide; white arsenic (As2O3)2. arsenic pentoxide (As2O5)Other readings酸さん化か砒ひ素そKanji used酸acid化transformation素elementaryComposed of酸さん化かoxidation; oxidizationNounヒ素そarsenic (As)Noun