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rare-earth element

[rair-urth] / ˈrɛərˈɜrθ /


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.

Australia and Canada, for instance, have significant rare-earth resources that can help support America’s rare-earth element needs.

From MarketWatch • Nov. 21, 2025

Ramaco Resources, a metallurgical coal producer, is developing its Brook Mine, which holds significant heavy rare-earth element deposits.

From Barron's • Oct. 16, 2025

Peter A. Morrison, manager of the Navy program, said the weapon’s lasers use a crystal that has been doped with a rare-earth element.

From New York Times • May 14, 2013

Iridium was the key, rare-earth element that tipped geologists off that an asteroid struck the Earth at the end of the Cretaceous.

From Slate • Feb. 7, 2013

The microlasers intended to sense particles in air had been doped with erbium, a rare-earth element whose optical properties are well matched with those of air.

From US News • Jun. 29, 2011