neodymium

noun

neo·​dym·​i·​um ˌnē-ō-ˈdi-mē-əm 

: 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

Why China dominates rare earths Rare earths are a group of 17 elements in the middle of the periodic table, including neodymium, cerium and scandium. —Mithil Aggarwal, NBC news, 10 June 2025

That refers to neodymium, praseodymium, dysprosium and terbium. —Evelyn Cheng, CNBC, 28 May 2025

Rare earths are a collection of 17 minerals where neodymium, dysprosium, and terbium are often considered the most desired. —Energy Innovation: Policy and Technology, Forbes, 27 Feb. 2025

Fyne claims that the powerful point source configuration is driven by multiple motor systems featuring a neodymium magnet for the high frequencies and a large ferrite magnet for the main cone. —Mark Sparrow, Forbes.com, 12 May 2025

Word History

Etymology

neo- + (di)dymium, after German Neodym

First Known Use

1885, in the meaning defined above

Rhymes for neodymium

• praseodymium

Kids Definition

neodymium

noun

neo·​dym·​i·​um ˌnē-ō-ˈdim-ē-əm 

: a silver-white to yellow metallic chemical element see element

Medical Definition

neodymium

noun

neo·​dym·​i·​um ˌnē-ō-ˈdim-ē-əm 

: a yellow metallic element of the rare-earth group

—symbol Nd see Chemical Elements Table