Hahnium

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    (obsolete) A rejected name for dubnium. uncountable
  2. 2
    a transuranic element with atomic number 105 wordnet
  3. 3
    (obsolete) A rejected name for hassium. uncountable

Synonyms

All synonyms
atomic number 105dbdubniumdubniumeka osmiumeka tantalum

Etymology

Named for the German chemist Otto Hahn (1879–1968), formed as Hahn + -ium.

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