rare earth

noun

1
: any of a group of similar oxides of metals or a mixture of such oxides occurring together in widely distributed but relatively scarce minerals
2

Examples of rare earth in a Sentence

Recent Examples on the Web Mining the deep oceans for cobalt, nickel, rare earths and other metals could accelerate the world’s conversion to renewable power sources. F.d. Flam, Twin Cities, 4 Aug. 2024 The very nodules that perform this oxygen-generating alchemy are also a mining target for their richness in rare earth metals. Shi En Kim, Smithsonian Magazine, 26 July 2024 The country wants to make sure its energy system is not only green but also insulated from international pressure or shocks, and right now, just one state—China, including Hong Kong—accounts for 92 percent of India’s renewable energy equipment, lithium ion, and rare earth elements. Arunabha Ghosh, Foreign Affairs, 20 June 2023 The Company anticipates continued expansion of our efforts domestically and abroad, with a particularly keen focus on mining technologies for precious metals and rare earth minerals, as well as other innovative technologies. Charlotte Observer, 16 July 2024 See all Example Sentences for rare earth 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rare earth.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1875, in the meaning defined at sense 1

Time Traveler
The first known use of rare earth was in 1875

Dictionary Entries Near rare earth

Cite this Entry

“Rare earth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rare%20earth. Accessed 18 Aug. 2024.

Medical Definition

rare earth

noun
1
: any of a group of similar oxides of metals or a mixture of such oxides occurring together in widely distributed but relatively scarce minerals
2
Last Updated: - Updated example sentences
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