dysprosium
noun/dɪsˈprəʊziəm/
/dɪsˈprəʊziəm/
[uncountable] (symbol Dy)
- a chemical element. Dysprosium is a soft silver-white metal used in nuclear research.Word Originlate 19th cent.: from Greek dusprositos ‘hard to get at’ + -ium.
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dysprosium