neodymium

noun
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 For example, neodymium is needed for the solid-state lasers used to designate missile targets. Alex Leary, WSJ, "Biden to Address Chip Shortages, Supply-Chain Problems With Executive Action," 24 Feb. 2021 One of the more interesting ones is extracting neodymium from the magnets in old hard disk drives. Willy Shih, Forbes, "It Might Take A Long Time For The U.S. To Become Self-Sufficient In Rare Earth Materials," 24 Feb. 2021 And inside those are two neodymium ring magnet motors that physically move to create the sound. Jacob Krol, CNN Underscored, "AirPods Max review: A high price for luxury performance," 17 Dec. 2020 Behind this is the 40-millimeter drive, inside of which are dual neodymium ring magnets that move back and forth to create the sound. Jacob Krol, CNN Underscored, "Apple’s AirPods Max are impressive, but we’re not sold on the price…yet," 10 Dec. 2020 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, "A US rare earths miner is staging a comeback to take on China," 15 Nov. 2020 The new design involves a kilometer of silica fiber that’s doped with a neodymium isotope and then kept in a cylindrical container of solution. Caroline Delbert, Popular Mechanics, "Scientists Built the Best Solar Laser Ever," 23 Sep. 2020 Soils contain levels of strontium and neodymium isotopes that vary from region to region, but stay constant over the centuries—especially at the depths tapped by the roots of oak trees. Krista Stevens, Longreads, "The Stories of Notre Dame, as Told by Timber and Limestone," 10 Aug. 2020 Soils contain levels of strontium and neodymium isotopes that vary from region to region, but stay constant over the centuries—especially at the depths tapped by the roots of oak trees. Krista Stevens, Longreads, "The Stories of Notre Dame, as Told by Timber and Limestone," 10 Aug. 2020

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.

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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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Time Traveler for neodymium

Time Traveler

The first known use of neodymium was in 1885

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Last Updated

28 Feb 2021

Cite this Entry

“Neodymium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neodymium. Accessed 4 Mar. 2021.

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More Definitions for neodymium

neodymium

noun
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

Britannica.com: Encyclopedia article about neodymium

Comments on neodymium

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