neo·​dym·​i·​um | \ ˌnē-ō-ˈdi-mē-əm How to pronounce neodymium (audio) \

Definition of neodymium

: a silver-white to yellow metallic element of the rare-earth group that is used especially in magnets and lasers — see Chemical Elements Table

Examples of neodymium in a Sentence

Recent Examples on the Web The second five words in the list — milliamp, neodymium, degauss, aileron, servo — are much more commonly known by men. Kara Miller,, 24 June 2022 The goal will be to produce 12 tons per year of neodymium or dysprosium. Globe Staff,, 12 May 2022 The magnetic slime is made of toxic chemicals, including the neodymium magnet particles. Joshua Hawkins, BGR, 4 Apr. 2022 But for starters, Phoenix is focused on the rare earths, exotic metals with names like neodymium and dysprosium. Globe Staff,, 12 May 2022 Professor Herrington calculates that switching entirely to EVs in the United Kingdom alone would eat up all the neodymium produced on the planet, 75% of global lithium production, and no less than half of the world’s copper. Patrick Gleason, Forbes, 4 May 2022 In China, toxic chemicals leach neodymium from the earth. Shel Evergreen, Ars Technica, 2 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 In this case, the crystal is formed from a material that's a mix of neodymium, nickel, and oxygen. John Timmer, Ars Technica, 4 Feb. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'neodymium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of neodymium

1885, in the meaning defined above

History and Etymology for neodymium

neo- + (di)dymium, after German Neodym

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The first known use of neodymium was in 1885

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Last Updated

28 Jun 2022

Cite this Entry

“Neodymium.” Dictionary, Merriam-Webster, Accessed 2 Jul. 2022.

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More Definitions for neodymium


neo·​dym·​i·​um | \ ˌnē-ō-ˈdim-ē-əm How to pronounce neodymium (audio) \

Medical Definition of neodymium

: a yellow metallic element of the rare-earth group symbol Nd — see Chemical Elements Table

More from Merriam-Webster on neodymium Encyclopedia article about neodymium


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