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cupronickel

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noun cu·pro·nick·el \ˌkyü-prō-ˈni-kəl, ˌkü-\

Definition of cupronickel

: an alloy of copper and nickel; especially : one containing about 70 percent copper and 30 percent nickel

First Known Use of cupronickel

1900

Learn More about cupronickel

Britannica.com: Encyclopedia article about cupronickel

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