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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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of cupronickel1

First recorded in 1900–05; cupro- + nickel
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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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