rare-earth element
Americannoun
Etymology
Origin of rare-earth element
First recorded in 1955–60
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.
USA Rare Earth will buy Brazil’s Serra Verde, which is seen as representing more than half the non-China heavy rare-earth element supply.
From The Wall Street Journal ● Apr. 20, 2026
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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
