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：2025/11/21
noble metal
（ plural ）
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(inorganic chemistry, alchemy) A metal resistant to corrosion, oxidizing and tarnishing, such as gold, platinum, copper and mercury.
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noble metal
Gold, a classic example of a noble metal, has been valued for both ornamentation and electrical applications for centuries.
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Gold, a classic example of a noble metal, has been valued for both ornamentation and electrical applications for centuries.
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