さんかすいぎん 酸化水銀 LinksSentence search for 酸化水銀Sentence search for さんかすいぎんKanji details for 酸, 化, 水 and 銀Edit in JMdict Noun1. mercurous oxide (Hg2O)Noun2. mercuric oxide (HgO) Discussions Log in to talk about this word.