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

 

holmium

 noun
noun
BrE BrE//ˈhəʊlmiəm//
 
; NAmE NAmE//ˈhoʊlmiəm//
 
[uncountable](symbol Ho)
 
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a chemical element. Holmium is a soft silver-white metal. Word Origin late 19th cent.: modern Latin, from Holmia, Latinized form of Stockholm (because many minerals of the yttrium group, to which holmium belongs, are found in that area); discovered by P.T. Cleve, Swedish chemist (1840–1905).
See the Oxford Advanced American Dictionary entry: holmium