dross   (Sound)

The dross has 2 Senses.

• dross, impurity
• まじり物, かす, 夾雑物, 屑, 不純物, くず
• worthless or dangerous material that should be removed; "there were impurities in the water"
• 取り除かれるべき無価値のまたは危険な素材

• scoria, slag, dross
• 鉱滓, スコリア
• the scum formed by oxidation at the surface of molten metals
• 溶解した金属の表面に酸化によってできた浮きかす