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



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July 01, 2015
precarious Hear it
not certain, secure, or steady
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