Dubnium

//ˈduːbniəm// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A transuranic chemical element (symbol Db) with atomic number 105. uncountable
  2. 2
    a transuranic element with atomic number 105 wordnet
  3. 3
    A rejected name for rutherfordium. obsolete, uncountable

Etymology

From Dubna + -ium, named after Dubna, Moscow Oblast, Russia, the site of the Joint Institute for Nuclear Research, which discovered the element.

Related phrases

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