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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The rare earths involved this time around are indeed used in electric vehicles and drones—more pain for two industries already on the tariff struggle bus. Andrew Nusca, Fortune, 13 Oct. 2025 Trump’s threat followed Beijing’s tightening of its control on rare earths, a group of critical minerals essential in the production of a wide range of electronics, automobiles and semiconductors. John Liu, CNN Money, 13 Oct. 2025 China accounts for nearly 70% of the world's rare earths mining and controls roughly 90% of their global processing. NPR, 12 Oct. 2025 Trump made his latest tariff threat on Friday after China imposed new restrictions on rare earth exports. J.d. Capelouto, semafor.com, 12 Oct. 2025 See All Example Sentences for rare earth

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

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Cite this Entry

“Rare earth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rare%20earth. Accessed 15 Oct. 2025.

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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