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1. The 25th letter of the Roman alphabet
   - Y, wye

1. A silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminium alloys
   - yttrium, atomic number 39

Derived forms: Ys, ys

Type of: alphabetic character, letter, letter of the alphabet, metal, metallic element

Part of: fergusonite, gadolinite, Latin alphabet, Roman alphabet, xenotime, ytterbite

Encyclopedia: Y, Somme