English noun: yttrium | |||
1. | yttrium (substance) a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys | ||
Synonyms | atomic number 39, Y | ||
Broader (hypernym) | metal, metallic element | ||
Substance meronym | fergusonite, gadolinite, xenotime, ytterbite | ||