1. a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds; [syn: holmium, Ho, atomic number 67]
WordNet (r) 3.0 (2006):
atomic number 67
n 1: a trivalent metallic element of the rare earth group;
occurs together with yttrium; forms highly magnetic
compounds [syn: holmium, Ho, atomic number 67]