yttrium | sense examples, Usage and Definition from wordnet dictionary online

Noun yttrium has 1 sense

yttrium, Y, atomic number 39 - a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
--₁ is a kind of metallic element, metal
--₁ is a substance of gadolinite, ytterbite; fergusonite; xenotime