yttrium
noun/ˈɪtɹiːəm/ · /ˈjɪtɹiːəm/
Etymology From Ytterby + -ium, named after Ytterby, Sweden, the same etymological source as terbium, erbium, and ytterbium.
1
Usually A silvery metallic chemical element with an atomic number of 39, mainly found in combination with lanthanide elements in rare earth minerals.
- Derived terms
- diyttrium trioxide, gadolinium yttrium garnet, yttric, yttriferous, yttrious, yttrite, yttrium-90, yttrium aluminium garnet, yttrium aluminum garnet, yttrium anhydrous chloride, yttrium barium copper oxide, yttrium fluoride, yttrium iron garnet, yttrium lithium fluoride, yttrium oxide, yttrium vanadate, yttro-