Last Updated
：2025/12/04
polishing slate
Noun
countable
uncountable
Japanese Meaning
ガラス、大理石、金属の研磨に使用される鉱物。主成分は珪石で、少量のアルミナ、石灰、酸化鉄および水分を含む。
（ plural ）
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A mineral used for polishing glass, marble, and metals, composed chiefly of silica, with a little alumina, lime, iron oxide, and water.
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polishing slate
The craftsman carefully sprinkled polishing slate onto the marble before buffing it to a shine.
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The craftsman carefully sprinkled polishing slate onto the marble before buffing it to a shine.
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