Last Updated
：2025/11/29
rotten stone
Noun
Japanese Meaning
（鉱物学）芸術的な研磨や磨きを行うため、また金属などの洗浄に使用される柔らかい石。類似の用途に用いられる、脆くシリケーター成分を多く含む石にもこの名称が使われる。
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(mineralogy) A soft stone used in artistic grinding and polishing, and for cleaning metallic substances. The name is also given to other friable siliceous stones applied to similar uses.
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rotten stone
The craftsman used rotten stone to gently polish the silverware until it shone.
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The craftsman used rotten stone to gently polish the silverware until it shone.
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