noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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hō(l)ʹmē-əm
US:/ˈhoʊ(l).mi.əm/
US:Recorded audio is listed in the source snapshot.
General-American:Recorded audio is listed in the source snapshot.
CMU ARPABET:HH OW1 L M IY0 AH0 M
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A chemical element (symbol Ho) with atomic number 67: a soft and malleable silvery-white metal, too reactive to be found uncombined in nature.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A single atom of this element.
Definition source: English Wiktionary via Wiktextract
Usage: countable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: Ho, atomic number 67
Antonyms: none provided
Broader terms: metallic element, metal
History
Etymology
From Latin Holmia (“Stockholm”), the hometown of Per Teodor Cleve, one of the discoverers of holmium.
Across languages
Translations
74 source translations are retained for this English entry.
