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dysprosium
noun
dys·pro·si·um dis-ˈprō-zē-əm 
-zh(ē-)əm
: an element of the rare-earth group that forms highly magnetic compounds see Chemical Elements Table
Example Sentences
Recent Examples on the Web Many car companies are also redesigning power trains and the magnets inside them to reduce the need for neodymium and dysprosium. 
Suresh Sunderrajan, Forbes, 7 July 2022 The goal will be to produce 12 tons per year of neodymium or dysprosium. Globe Staff, BostonGlobe.com, 12 May 2022 Moving to all EVs globally is projected to require a tripling of cobalt production, a 70% spike in neodymium and dysprosium mining, and a doubling of copper production. Patrick Gleason, Forbes, 4 May 2022 China processes more than half of the world’s cobalt, lithium, and the class of rare-earth elements (REEs) that includes neodymium, dysprosium, praseodymium, and terbium . . . Andrew Stuttaford, National Review, 12 Mar. 2022 China processes more than half of the world’s cobalt, lithium, and the class of rare-earth elements (REEs) that includes neodymium, dysprosium, praseodymium, and terbium. Jordan Mcgillis, National Review, 10 Mar. 2022 The initial throughput of the facility could supply enough dysprosium for 1 million electric vehicles and, at peak, something like 3 million electric vehicles, the CEO said. Abby Smith, Washington Examiner, 5 Apr. 2021 NdFeB magnets containing the heavy rare earth dysprosium and sometimes terbium are particularly useful, because the presence of heavy rare earths improves the magnet’s ability to withstand high temperatures. Mary Hui, Quartz, 14 May 2021 The initial throughput of the facility could supply enough dysprosium for 1 million electric vehicles and, at peak, something like 3 million electric vehicles, the CEO said. Abby Smith, Washington Examiner, 5 Apr. 2021 See More
Suresh Sunderrajan, Forbes, 7 July 2022 The goal will be to produce 12 tons per year of neodymium or dysprosium. Globe Staff, BostonGlobe.com, 12 May 2022 Moving to all EVs globally is projected to require a tripling of cobalt production, a 70% spike in neodymium and dysprosium mining, and a doubling of copper production. Patrick Gleason, Forbes, 4 May 2022 China processes more than half of the world’s cobalt, lithium, and the class of rare-earth elements (REEs) that includes neodymium, dysprosium, praseodymium, and terbium . . . Andrew Stuttaford, National Review, 12 Mar. 2022 China processes more than half of the world’s cobalt, lithium, and the class of rare-earth elements (REEs) that includes neodymium, dysprosium, praseodymium, and terbium. Jordan Mcgillis, National Review, 10 Mar. 2022 The initial throughput of the facility could supply enough dysprosium for 1 million electric vehicles and, at peak, something like 3 million electric vehicles, the CEO said. Abby Smith, Washington Examiner, 5 Apr. 2021 NdFeB magnets containing the heavy rare earth dysprosium and sometimes terbium are particularly useful, because the presence of heavy rare earths improves the magnet’s ability to withstand high temperatures. Mary Hui, Quartz, 14 May 2021 The initial throughput of the facility could supply enough dysprosium for 1 million electric vehicles and, at peak, something like 3 million electric vehicles, the CEO said. Abby Smith, Washington Examiner, 5 Apr. 2021 See More Word History
Etymology
borrowed from New Latin, from Greek dysprósitos "difficult to access" (from dys- dys- + prósitos "approachable," verbal adjective of próseimi, prosiénai "to go toward, approach," from pros- pros- + eîmi, iénai "to go") + New Latin -ium -ium — more at issue entry 1
Note: The element was named by the first person to isolate it, the French chemist Paul Émile Lecoq de Boisbaudran (1838-1912), reported in "Le holmine (ou terre X de M. Soret) contient au moins deux radicaux métalliques," Comptes rendus hebdomadaires des séances de l'Académie des Sciences, tome 102 (janvier-juin 1886), pp. 1003-04. The name was apparently given because several hundred fractionations ("plusieurs centaines de fractionnements") were required to isolate a sufficient amount of it to test spectroscopically.
First Known Use
1886, in the meaning defined above
Time Traveler
The first known use of dysprosium was in 1886 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
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