rare-earth element
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
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
The company’s Mountain Pass mine, discovered in 1949 by uranium prospectors who noticed local radioactivity, dominated rare-earth element production through the 1980s.
From New York Times • Apr. 21, 2010
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
