Definition of yttrium noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈɪtriəm//
; NAmE NAmE//ˈɪtriəm//
[uncountable] (symbol Y)
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a chemical element. Yttrium is a grey-white metal used in magnets. Word Originearly 19th cent.: modern Latin, from Ytterby, the name of a Swedish quarry where it was first found.
See the Oxford Advanced American Dictionary entry: yttrium