neodymium

 
Pronunciation: /ˌniːə(ʊ)ˈdɪmɪəm/

noun

[mass noun]
  • the chemical element of atomic number 60, a silvery-white metal of the lanthanide series. Neodymium is a component of misch metal and some other alloys, and its compounds are used in colouring glass and ceramics. (Symbol: Nd)

Origin:

late 19th century: from neo- 'new' + a shortened form of didymium