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Definitions

copper

[kop-er] / ˈkɒp ər /














Example Sentences

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My maternal grandmother, Marcela Fernández, was born in 1914 in an Arizona copper town to parents who fled the Mexican Revolution before returning to their mountain pueblo in Zacatecas.

From Los Angeles Times • Apr. 4, 2026

Several processing stages later, 99.99 percent pure copper plates, each weighing more than a hundred kilos, are shipped all over the world.

From Barron's • Apr. 3, 2026

But it is copper, now an irreplaceable metal for the economy, that has become the object of global strategic contention.

From Barron's • Apr. 3, 2026

Separately, the White House said it was tweaking the terms of its tariffs on steel, aluminium and copper tariffs.

From BBC • Apr. 2, 2026

The clerk caught my eye and said, “Those are copper pyrite rocks.”

From "Breaking Through" by Francisco Jiménez