Columbium
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Former name of niobium. obsolete, uncountable, usually
- 2 a former name for niobium wordnet
Synonyms
All synonymsEtymology
From Columbus + -ium, named after Christopher Columbus by the element’s discoverer, Charles Hatchett.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.