dysprosium

noun
dys·​pro·​si·​um | \ dis-ˈprō-zē-əm How to pronounce dysprosium (audio) , -zh(ē-)əm \

Definition of dysprosium

: an element of the rare-earth group that forms highly magnetic compounds — see Chemical Elements Table

Examples of dysprosium in a Sentence

Recent Examples on the Web Very small amounts of these materials — including neodymium, dysprosium and yttrium — contribute to many signature products of the modern world, such as cell phones, electric cars, wind turbines and precision weapons. Eugene Gholz For Cnn Business Perspectives, CNN, "The rare earths industry can weather any Chinese trade battle," 23 July 2019 Even the more prized magnetic elements such as neodymium, dysprosium, praseodymium and samarium are humdrum enough that Apple Inc. uses rare-earth magnets to make its power cables stick in place. Washington Post, "We All Need to Calm Down About Rare Earths," 31 May 2019 Greenland has some of the biggest deposits of neodymium, dysprosium, terbium, praseodymium, and uranium. David Clark Scott, The Christian Science Monitor, "Three questions on Trump's Greenland gambit," 22 Aug. 2019 Just the suggestion that Beijing could starve American factories of essential materials has sent rare-earth prices soaring over the past month, with dysprosium oxide, used in lasers and nuclear-reactor control rods, up by one-third. David J. Lynch, Anchorage Daily News, "China hints it will choke off U.S. ‘rare earths’ access. But it’s not that easy.," 11 June 2019 Just the suggestion that Beijing could starve American factories of essential materials has sent rare-earth prices soaring over the past month, with dysprosium oxide, used in lasers and nuclear-reactor control rods, up by one-third. David J. Lynch, Anchorage Daily News, "China hints it will choke off U.S. ‘rare earths’ access. But it’s not that easy.," 11 June 2019 Just the suggestion that Beijing could starve American factories of essential materials has sent rare-earth prices soaring over the past month, with dysprosium oxide, used in lasers and nuclear-reactor control rods, up by one-third. David J. Lynch, Anchorage Daily News, "China hints it will choke off U.S. ‘rare earths’ access. But it’s not that easy.," 11 June 2019 Just the suggestion that Beijing could starve American factories of essential materials has sent rare-earth prices soaring over the past month, with dysprosium oxide, used in lasers and nuclear-reactor control rods, up by one-third. David J. Lynch, Anchorage Daily News, "China hints it will choke off U.S. ‘rare earths’ access. But it’s not that easy.," 11 June 2019 Just the suggestion that Beijing could starve American factories of essential materials has sent rare-earth prices soaring over the past month, with dysprosium oxide, used in lasers and nuclear-reactor control rods, up by one-third. David J. Lynch, Anchorage Daily News, "China hints it will choke off U.S. ‘rare earths’ access. But it’s not that easy.," 11 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dysprosium.' 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 dysprosium

1886, in the meaning defined above

History and Etymology for dysprosium

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.

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Time Traveler for dysprosium

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The first known use of dysprosium was in 1886

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Cite this Entry

“Dysprosium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dysprosium. Accessed 2 Jul. 2020.

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More Definitions for dysprosium

dysprosium

noun
dys·​pro·​si·​um | \ dis-ˈprō-zē-əm How to pronounce dysprosium (audio) , -zh(ē-)əm How to pronounce dysprosium (audio) \

Medical Definition of dysprosium

: an element of the rare-earth group that forms highly magnetic compounds symbol Dy — see Chemical Elements Table

More from Merriam-Webster on dysprosium

Britannica.com: Encyclopedia article about dysprosium

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