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
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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.
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Ramishah Maruf, CNN Money, 11 Oct. 2025
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Ramishah Maruf, CNN Money, 11 Oct. 2025
Cite this Entry
“Holmium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/holmium. Accessed 18 Oct. 2025.
Copy CitationKids 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
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