holmium
/ˈhəʊlmɪəm/noun
mass noun
- the chemical element of atomic number 67, a soft silvery-white metal of the lanthanide series. (Symbol: Ho)（化学元素）钬（符号：Ho）。
词源
late 19th cent.: modern latin, from Holmia, Latinized form of Stockholm, the capital of Sweden （because many minerals of the yttrium group, to which holmium belongs, are found in that area）; discovered by P.T. Cleve, Swedish chemist.