/ ˈhəʊlmiəm; NAmE ˈhoʊl-/ noun
[ U ] ( symb Ho ) a chemical element. Holmium is a soft silver-white metal.
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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).