holmium

noun

hol·​mi·​um ˈhō(l)-mē-əm 

: a metallic element of the rare-earth group that forms highly magnetic compounds and is obtained especially from monazite see Chemical Elements Table

Examples of holmium in a Sentence

Recent Examples on the Web

In its most recent move, China added five rare-earth elements – holmium, erbium, thulium, europium, ytterbium, and related magnets and materials – to its existing control list, requiring export licenses. —Ramishah Maruf, CNN Money, 11 Oct. 2025

Word History

Etymology

New Latin, from Holmia Stockholm, Sweden

First Known Use

1879, in the meaning defined above

Kids Definition

holmium

noun

hol·​mi·​um ˈhō(l)-mē-əm 

: a rare metallic element that forms highly magnetic compounds see element

Medical Definition

holmium

noun

hol·​mi·​um ˈhō(l)-mē-əm 

: a metallic element of the rare-earth group that occurs with yttrium and forms highly magnetic compounds

—symbol Ho see Chemical Elements Table