beryllium copper

American  

noun

1. a copper alloy containing a small amount of beryllium and often some nickel or cobalt, having high strength, hardness, and electrical conductivity.

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Example Sentences

Concentrations of beryllium, copper, chromium, nickel and lead in particular were significantly above established safety thresholds for marine life, prompting fears for the long-term health of fish, marine mammals and the marine food chain.

From Los Angeles Times • Mar. 20, 2026

These workers were eventually sent to work in the conglomerate’s mines, a smelter and factories that produce some of the most highly sought minerals on earth, including lithium, nickel, manganese, beryllium, copper and gold.

From New York Times • Jun. 20, 2022

At Marion Manufacturing, Johnson this year is spending several hundred thousand dollars on new factory equipment to turn stainless steel and beryllium copper into a variety of industrial parts.

From Washington Post • Jun. 4, 2022