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

The list also includes 15 rare earth elements, such as cerium, dysprosium, neodymium and samarium. —John Towfighi, CNN Money, 11 Jan. 2026

What’s more, Greenland is rich with oil and rare earth minerals, like neodymium and dysprosium, which can be used to make objects like smartphones and magnets, among others. —Jessica Schladebeck, Mercury News, 8 Jan. 2026

This facility is expected to develop commercial recycling capacity for both neodymium-iron-boron and samarium-cobalt magnets. —Aman Tripathi, Interesting Engineering, 3 Jan. 2026

For example, Samsung’s Galaxy S25 smartphone is a new product that, when released in May 2025, was made of eight different recycled materials, including aluminum, neodymium, steel, plastics and fiber. —Suvrat Dhanorkar, The Conversation, 10 Dec. 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