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 | ||