单词	cupro-nickel
释义	cupro-nickel /kjuːprəʊˈnɪk(ə)l / noun [mass noun] An alloy of copper and nickel, especially in the proportions 3:1 as used in ‘silver’ coins.The new $1 coins are made from cupro-nickel, which is a blend of copper and nickel, and are alternately plain and ribbed at the edges.... In 1965, production processes at the Mint included the manufacture of cupro-nickel, coinage bronze and silver blanks (melting, rolling and blanking) together with striking, packaging and distribution of the finished product. In early designs bullet jackets were made of cupro-nickel and these have a silvery appearance.
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