rare earth element


Definition of rare earth element

: any of a series of metallic elements of which the oxides are classed as rare earths and which include the elements of the lanthanide series and sometimes yttrium and scandium

called also rare earth metal

Examples of rare earth element in a Sentence

Recent Examples on the Web These seabed parcels are split between 22 countries and companies hoping to extract mineral riches, including cobalt, copper, nickel and rare earth elements used in manufacturing cell phones, batteries and electric cars. Alex Fox, Smithsonian Magazine, "Deep-Sea Mining’s Environmental Toll Could Last Decades," 1 May 2020 Trump himself has employed elements of the law to boost production of rare earth elements, small drones and sensors to detect submarines, among other products. Sarah Babbage, Fortune, "Defense Production Act: What to know about the law Trump could use to order more ventilators," 26 Mar. 2020 Her comments are a tacit admission the U.S. doesn’t have enough critical minerals: Right now, China controls 80% of the global supply chain for rare earth elements like lithium, according to the State Department. Josh Siegel, Washington Examiner, "Daily on Energy: Democrats draw starkest lines yet on fracking," 20 Feb. 2020 That puts uranium on the same footing with minerals like cobalt and lithium, used in the electronics industry, and rare earth elements like titanium and tin. Debra Utacia Krol, azcentral, "Environmentalists fear more uranium mining near Grand Canyon may be impending," 17 Mar. 2020 In West Virginia, Ziemkiewicz and his team at the West Virginia Water Research Institute are extracting rare earth elements from acid mine drainage. April Johnston, Cincinnati.com, "‘That's vinegar’: The Ohio River’s history of contamination and progress made," 26 Dec. 2019 Gillette: The University of Wyoming School of Energy Research hopes to partner with the U.S. Department of Energy for research on the extraction of rare earth elements but needs local government support, The Gillette News Record reports. USA TODAY, "Seedlings to fall far from oak, bologna bust, snowboard pioneer: News from around our 50 states," 26 Nov. 2019 From every 100,000 iPhone devices, Daisy has the potential to recover: 1500 kg aluminum, 1.1 kg gold, 6.3 kg silver, 32 kg rare earth elements, 83 kg tungsten, 1,000 kg copper, 29 kg tin, 790 kg cobalt, 1,400 kg steel, according to Apple. Courtney Linder, Popular Mechanics, "How Apple's Sustainable iPhone Trade-In Program Works," 6 Nov. 2019 Both of these rare earth elements occur naturally in very small quantities. Christopher R. Moore, The Conversation, "New evidence that an extraterrestrial collision 12,800 years ago triggered an abrupt climate change for Earth," 22 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rare earth element.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of rare earth element

1924, in the meaning defined above

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The first known use of rare earth element was in 1924

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Cite this Entry

“Rare earth element.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rare%20earth%20element. Accessed 10 Apr. 2021.

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rare earth element


Medical Definition of rare earth element

: any of a series of metallic elements of which the oxides are classed as rare earths and which include the elements of the lanthanide series and sometimes yttrium and scandium

called also rare earth metal

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