neodymium
/ˌnioʊˈdɪmiəm/
noun
- A silvery-white metallic chemical element (symbol Nd) used in powerful magnets, lasers, and certain types of glass.
- Neodymium magnets are the strongest type of permanent magnet available.
- The speaker uses neodymium to make it lighter and more powerful.
- Neodymium is added to glass to create a violet color used in some sunglasses.