Columbium

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Former name of niobium. obsolete, uncountable, usually
  2. 2
    a former name for niobium wordnet

Etymology

From Columbus + -ium, named after Christopher Columbus by the element’s discoverer, Charles Hatchett.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.