cupronickel
noun
cu·pro·nick·el
ˌkyü-prō-ˈni-kəl 
ˌkü-
: an alloy of copper and nickel
especially
: one containing about 70 percent copper and 30 percent nickel
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The heater is made with a cupronickel heat exchanger that can withstand low pH, high-flow, or heavy use, plus it's certified for low NOx emissions.
—
Camryn Rabideau, Popular Mechanics, 19 May 2022
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Camryn Rabideau, Popular Mechanics, 19 May 2022
Cite this Entry
“Cupronickel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cupronickel. Accessed 18 Jul. 2025.
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