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noble metal
earth.sc., met. ædelmetal
industr. ædelt metal
 English thesaurus
noble metal
jewl. A noble metal is a metal that will endure as they are resistant to corrosion or oxidation. Gold, platinum, rhodium, palladium, iridium, osmium, and ruthenium metals are generally categorized as noble metals.
noble metal: 2 phrases in 2 subjects
Environment1
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