硫酸りゅうさん Common Noun place name English jmdict 1 noun (common) (futsuumeishi) sulfuric acid;sulphuric acid English jmnedict 1 Ryūsan
硫酸マグネシウムりゅうさんマグネシウム Noun English jmdict 1 noun (common) (futsuumeishi) chemistry magnesium sulfate;magnesium sulphate