[kyoo-pruh-nik-uh l, koo-]
- any of various alloys of copper containing up to 40 percent nickel.
- containing copper and nickel.
Origin of cupronickel
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cupronickel
The tracer bullet consisted of a cupronickel shell, the nose of which contained a leaden core to balance the bullet properly.
On one side of the missile was a hole drilled through the cupronickel into one of the grooves of the serrated plug.
Our armor-piercing bullet was made with a cupronickel jacket for the sake of the gun barrel.
As soon as the cupronickel jacket strikes the armor plate it splits and the lead core flattens out and flies into fragments.
- 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