noble metal(redirected from noble element)
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A metal or alloy, such as gold, that is highly resistant to oxidation and corrosion.
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|Noun||1.||noble metal - any metal that is resistant to corrosion or oxidation|
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
atomic number 79, Au, gold - a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia
atomic number 78, platinum, Pt - a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits