Holmium - Definition
holmium
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]
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]