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nouna silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
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Definition that contains yttrium
- ho a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
- er a trivalent metallic element of the rare earth group; occurs with yttrium
- lu a trivalent metallic element of the rare earth group; usually occurs in association with yttrium
- erbium a trivalent metallic element of the rare earth group; occurs with yttrium
- holmium a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
- fergusonite a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
- atomic number 68 a trivalent metallic element of the rare earth group; occurs with yttrium
- xenotime a brown-to-yellow mineral that is a phosphate of yttrium in crystalline form
- gadolinite a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium
- lutecium a trivalent metallic element of the rare earth group; usually occurs in association with yttrium