SINCE 1828

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cupronickel

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

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Britannica.com: Encyclopedia article about cupronickel

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