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peacock copper. In DICTIOUS you will not only get to know all the dictionary meanings for the word
peacock copper, but we will also tell you about its etymology, its characteristics and you will know how to say
peacock copper in singular and plural. Everything you need to know about the word
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English
Etymology
After the rainbow iridescence that appears after tarnishing.
Noun
peacock copper (uncountable)
- (informal) Bornite.
1920, Douglas Clermont Livingston, The Copper Deposits of the Seven Devils and Adjacent Districts:The ores are of two general types, chalcopyrite or “yellow copper,” with very little bornite or other minerals richer in copper, and those in which the values lie almost wholly in bornite or “peacock copper.”
Synonyms