1 文書を見つけるための辞書。

• emery
• エメリー, 金剛砂
• a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)
• 鋼玉と赤鉄鉱か磁鉄鋼のどちらかで成る堅い灰色か黒色の鉱物