二に酸さん化か硫黄いおうMeaningsNoun1. sulfur dioxide; sulphur dioxideKanji used二two酸acid化transformation硫sulphur黄yellowPitch accentにさんかいおうComposed of二にtwo; 2Numeric酸さん化かoxidation; oxidizationNoun硫黄いおうsulfur (S); sulphurNoun