cupronickel

American

[kyoo-pruh-nik-uhl, koo-] / ˈkyu prəˌnɪk əl, ˈku- /

noun

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

adjective

containing copper and nickel.

cupronickel British

/ ˌkjuːprəʊˈnɪkəl /

noun

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

Etymology

Origin of cupronickel

First recorded in 1900–05; cupro- + nickel

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023