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

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, Washington Post, "China hints it will choke off U.S. ‘rare earths’ access. But it’s not that easy.," 10 June 2019 This is good news for large wind turbine manufacturers that rely on magnet generators made from neodymium and dysprosium, among other rare-earth elements like praseodymium (Pr) and terbium (Tb). Jill Kiedaisch, Popular Mechanics, "We've Found a New Source for Rare-Earth Elements We Need for Green Tech," 7 Mar. 2019 Instead of neodymium or dysprosium, the magnet uses less-expensive rare-earth metals lanthanum and cerium. Megan Geuss, Ars Technica, "Toyota’s new magnet won’t depend on some key rare-earth minerals," 28 Feb. 2018 The 16 million tons of materials could contain 780 years worth of yttrium, 620 years worth of europium, 420 years worth of terbium, and 730 years worth of dysprosium. Aj Willingham, CNN, "How the mud in this small Japanese island could change the global economy," 16 Apr. 2018 But Reuters notes that while neodymium costs about $100 per kg and dysprosium costs about $400 per kg, lanthanum and cerium cost about $5 to $7 per kg. Megan Geuss, Ars Technica, "Toyota’s new magnet won’t depend on some key rare-earth minerals," 28 Feb. 2018

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

New Latin, from Greek dysprositos hard to get at, from dys- + prositos approachable, from prosienai to approach, from pros- + ienai to go — more at issue entry 1

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Statistics for dysprosium

Last Updated

16 Jul 2019

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Time Traveler for dysprosium

The first known use of dysprosium was in 1886

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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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