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Definitions

copper

[kop-er] / ˈkɒp ər /














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.

Above ground, the spent nuclear fuel will be encapsulated in highly corrosion-resistent copper canisters.

From Barron's • Jun. 1, 2026

The insurer told her the hail damage—to guttering and copper on the roof—tallied just $2,000, well below her policy’s deductible.

From The Wall Street Journal • May 31, 2026

Mayor Karen Bass’ office said in March that copper thefts are a leading cause of streetlight outages.

From Los Angeles Times • May 29, 2026

Find insight on Nufarm, Congo copper and cobalt mining operations and more in the latest Market Talks covering basic materials.

From The Wall Street Journal • May 28, 2026

Samuel Morse changed the news business forever when he electronically transmitted the results of a congressional vote in Washington, DC, to a newspaper in Baltimore across a copper wire back in 1844.

From "American Spirits" by Barb Rosenstock




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