cupronickel

[kyoo-pruh-nik-uhl, koo-]

noun

1. any of various alloys of copper containing up to 40 percent nickel.

adjective

1. containing copper and nickel.

cupronickel

/ ˌkjuːprəʊˈnɪkəl /

noun

1. any ductile corrosion-resistant copper alloy containing up to 40 per cent nickel: used in coins, condenser tubes, turbine blades, etc

Word History and Origins

Origin of cupronickel¹

First recorded in 1900–05; cupro- + nickel

Example Sentences

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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