a trivalent, silvery chemical element, one of the rare-earth elements: symbol, Ho; at. no., 67 see the periodic table of elements in the Reference Supplement
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
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Word origin of 'holmium'
ModL < earlier holmia
, so named (1879) by P. T. Cleve (see cleveite
), its second discoverer (first was L. Soret, Fr chemist, in 1878), after Holmia
, Latinized name of Stockholm
, his native city + -ium