硫りゅう化か水すい銀ぎんりゅうかすいぎんMeanings1nounmercury sulfideChemical term; usually refers to mercuric sulfide (HgS), but can also include mercurous sulfide (Hg₂S).硫りゅう化か水すい銀ぎんは、温おん度どによって色いろが変かわることで知しら