1. A silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminium alloys
   "Yttrium is often used in the production of red phosphors for television screens"; "Yttrium, atomic number 39, is often used in the production of red phosphors in television sets";
   - Y, atomic number 39

Derived forms: yttriums

Type of: metal, metallic element

Part of: fergusonite, gadolinite, xenotime, ytterbite

Encyclopedia: Yttrium