pra·​seo·​dym·​i·​um | \ ˌprā-zē-ō-ˈdi-mē-əm How to pronounce praseodymium (audio) , ˌprā-sē- \

Definition of praseodymium

: a yellowish-white metallic element of the rare-earth group used especially in alloys and in the form of its salts in coloring glass greenish yellow — see Chemical Elements Table

Examples of praseodymium in a Sentence

Recent Examples on the Web Neodymium and praseodymium combine to make powerful magnets used in aircraft, headphones and much more. Washington Post, "Why Rare Earths Could Give China a Trade War Cudgel," 20 Sep. 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 Lynas is now the second-biggest producer globally of neodymium-praseodymium, two rare earths crucial for making high-strength magnets, with about a quarter of the global market. 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 The mine’s top products are neodymium and praseodymium, or NdPr, two elements which are used together to make the lightweight magnets that help power electric cars and wind turbines and are found in electronics such as laptop hard drives. Washington Post, "US-China trade war sparks worries about rare earth minerals," 8 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 Next door to the oven, more than 150 bags of neodymium and praseodymium and cerium sat on a warehouse floor to be shipped to customers around the world. Alexandra Stevenson, New York Times, "How Rare Earths (What?) Could Be Crucial in a U.S.-China Trade War," 11 July 2018 The inside has a magnet made with neodymium and praseodymium. Alexandra Stevenson, New York Times, "How Rare Earths (What?) Could Be Crucial in a U.S.-China Trade War," 11 July 2018

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

1885, in the meaning defined above

History and Etymology for praseodymium

New Latin, alteration of praseodidymium, irregular from Greek prasios, adjective + New Latin didymium didymium

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Time Traveler for praseodymium

Time Traveler

The first known use of praseodymium was in 1885

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Cite this Entry

“Praseodymium.” Dictionary, Merriam-Webster, Accessed 26 Oct. 2020.

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pra·​seo·​dym·​i·​um | \ ˌprā-zē-ō-ˈdim-ē-əm How to pronounce praseodymium (audio) , ˌprā-sē- How to pronounce praseodymium (audio) \

Medical Definition of praseodymium

: a yellowish white trivalent metallic element of the rare-earth group symbol Pr — see Chemical Elements Table

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