bn:00076156n
Noun Concept
Categories: Metalworking terminology, Chemical reactions, Corrosion, Metals
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tarnish  tarnished  tarnishing
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Tarnish is a thin layer of corrosion that forms over copper, brass, aluminum, magnesium, neodymium and other similar metals as their outermost layer undergoes a chemical reaction. Wikipedia
thin layer of corrosion that forms over copper, brass, aluminum, magnesium, neodymium and other similar metals as their outermost layer undergoes a chemical reaction Wikidata
Oxidation or discoloration, especially of a decorative metal exposed to air. Wiktionary
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WordNet 3.0 & WordNet 2020
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