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



BrE BrE//dɪsˈprəʊziəm//
; NAmE NAmE//dɪsˈproʊziəm//
[uncountable](symbol Dy)
jump to other results
a chemical element. Dysprosium is a soft silver-white metal used in nuclear research. Word Origin late 19th cent.: from Greek dusprositos ‘hard to get at’ + -ium.
See the Oxford Advanced American Dictionary entry: dysprosium