cupronickel cupronickel

Definition(s):

  • (n) a 60/40 alloy of copper and nickel

Usage(s):

  • Two years later it minted the first of its cupronickel dimes and quarters; last year it cut the silver content of newly issued half dollars from 90% to 40%.

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definition of cupronickel
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subordinate subordinate
/sə ˈbɔr də ˌneɪt /