noun ダウンロード 🔗共有 結晶水 The water present in the crystals of the salts of certain metals; it is weakly bound by electrostatic forces and may normally be removed by heating. Examples : "Heating blue copper sulfate crystals removes the water of crystallization, turning them into a white powder. " 青色の硫酸銅の結晶を加熱すると結晶水が除去され、白い粉末になります。 chemistry mineral substance AIとチャット語彙ゲーム読解練習