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cupronickel

[kyoo-pruh-nik-uh l, koo-] /ˈkyu prəˌnɪk əl, ˈku-/
noun
1.
any of various alloys of copper containing up to 40 percent nickel.
adjective
2.
containing copper and nickel.
Origin
1900-1905
1900-05; cupro- + nickel
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for cupronickel
  • The gilding metal used in the jacket typically consists of cupronickel, cupro-zinc, cupro-tin or in some cases pure copper.
British Dictionary definitions for cupronickel

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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Encyclopedia Article for cupronickel

any of an important group of alloys of copper and nickel; the alloy containing 25 percent nickel is used by many countries for coins. Because copper and nickel mix readily in the molten state, the useful range of alloys is not confined within any definite limits. Additions of from 2 percent to 45 percent of nickel to copper provide a series of alloys that are stronger and more resistant to oxidation at high temperatures than is pure copper. An alloy containing 30 percent nickel, the most important, is widely used for condenser tubes in steam-power plants.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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