yttrium
/ˈɪtɹiːəm/
yttrium
English
Noun
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Definition
A silvery metallic chemical element (symbol Y) with an atomic number of 39, mainly found in combination with lanthanide elements in rare-earth minerals.
Etymology
From Ytterby + -ium, named after Ytterby, Sweden, the same etymological source as terbium, erbium, and ytterbium.
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