1. a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium; [syn: neodymium, Nd, atomic number 60]
WordNet (r) 3.0 (2006):
atomic number 60
n 1: a yellow trivalent metallic element of the rare earth
group; occurs in monazite and bastnasite in association
with cerium and lanthanum and praseodymium [syn:
neodymium, Nd, atomic number 60]