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, used in permanent magnets, make up a smaller share. Mary Hui, Quartz, 15 July 2021 NdPr is short for neodymium-praseodymium, an alloy of two light rare earth elements that’s used in permanent magnets. Mary Hui, Quartz, 26 July 2021 Some of that neodymium can be replaced by another light rare earth, praseodymium (Pr). Mary Hui, Quartz, 14 May 2021 The remainder are mostly produced by Japan, which sources most of its neodymium and praseodymium from the Australian rare earth giant Lynas, the world’s largest miner and processor of rare earths outside of China. Mary Hui, Quartz, 14 May 2021 Lynas is the world’s second largest producer of neodymium (Nd) and praseodymium (Pr), both light rare earths. Mary Hui, Quartz, 6 Mar. 2021 The problem is that while demand for praseodymium and neodymium is high there is limited demand for other elements which are mined in conjunction, such as cerium and lanthanum. Tim Treadgold, Forbes, 3 Mar. 2021 In fact, Arafura has signed deals with two Chinese companies that together will buy 40% of its annual production of neodymium-praseodymium (NdPr) oxide, a critical material for industrial magnets. Mary Hui, Quartz, 15 Nov. 2020 Neodymium and praseodymium combine to make powerful magnets used in aircraft, headphones and much more. Washington Post, 20 Sep. 2019

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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The first known use of praseodymium was in 1885

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Last Updated

7 Oct 2021

Cite this Entry

“Praseodymium.” Dictionary, Merriam-Webster, Accessed 26 Oct. 2021.

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More Definitions for praseodymium


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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