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

In July, the Pentagon also struck an unprecedented deal to buy a $400 million stock in rare earth company MP Materials, while guaranteeing a ten-year floor price of double prevailing market levels for the strategically crucial rare earth magnet neodymium-praseodymium. —Charlie Campbell, Time, 16 Oct. 2025

The analyst added that these permanent magnets use elements such as samarium-cobalt and neodymium-iron-boron molecules or yttrium, a rare earth metal used to prevent corrosion. —Lisa Kailai Han, CNBC, 13 Oct. 2025

Tech and green energy sectors, both heavily reliant on rare earth minerals such as neodymium and dysprosium, bore the brunt of the selloff. —Eleanor Pringle, Fortune, 10 Oct. 2025

The team tested this on neodymium iron boron and samarium cobalt magnet waste. —Neetika Walter, Interesting Engineering, 29 Sep. 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