Yttrium - Definition
yttrium
n 1: a silvery metallic element that is common in rare-earth
minerals; used in magnesium and aluminum alloys [syn:
yttrium, Y, atomic number 39]
n 1: a silvery metallic element that is common in rare-earth
minerals; used in magnesium and aluminum alloys [syn:
yttrium, Y, atomic number 39]