ˌnēōˈdimēəm noun
( -s )
Etymology: New Latin, from ne- + -dymium (from didymium )
: a faintly yellow trivalent metallic element of the rare-earth group that occurs in monazite sand associated especially with cerium, lanthanum, and praseodymium, that forms pink salts, and that is used chiefly in the form of the oxide to impart a violet color to glass and porcelain — symbol Nd ; see didymium , element table