noble metal

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Noble metal

In chemistry, the noble metals are metals that are resistant to corrosion and oxidation in moist air (unlike most base metals). The short list of chemically noble metals (those elements upon which almost all chemists agree) comprises ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, and gold.

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noble metal

Noun
1. any metal that is resistant to corrosion or oxidation
(hypernym) metallic element, metal
(hyponym) gold, Au, atomic number 79

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noble metal

n. ušlechtilý kov

EPA Terms of Environment

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Noble Metal

Chemically inactive metal such as gold; does not corrode easily.

Provided as a public service by the U.S. Environmental Protection Agency