1 文書を見つけるための辞書。

• atomic number 28, nickel, ni
• Ｎｉ, ニッケル, Ni
• a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
• 耐腐食性のある、可鍛性の硬い銀色の金属元素