dubnium

D2U1B3N1I1U1M3
UK/ˈdʌbniəm/US/ˈduːbniəm/

noun

A transuranic chemical element (symbol Db) with atomic number 105.

Similar
eka-tantalumhahniumjoliotiumnielsbohriumunnilpentiumDbelement 105atomic number 105
OriginEnglish Dubna ← Russian Дубна́ (Dubná) ← Old East Slavic дубьнъ (dubĭnŭ) →
Scrabble 12
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Meanings

noundubnium (uncountable)
  1. uncountablechemistryA transuranic chemical element (symbol Db) with atomic number 105.
    1. countablechemistryAn atom of this element.
  2. obsoleteuncountablechemistryA rejected name for rutherfordium.

Synonyms & antonyms

Similar
eka-tantalumhahniumjoliotiumnielsbohriumunnilpentium

nouna transuranic element with atomic number 105

Similar
Dbhahniumelement 105atomic number 105
Broader
chemical elementelement
Also see
hahnium

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*dʰewbʰ-
  2. Proto-Indo-European*dʰu-m-bʰ-os?
  3. Proto-Indo-European*dʰewh₂-
  4. Proto-Indo-European*dʰuh₂-m-bʰ-os?
  5. Proto-Slavic*dǫbъ
  6. Old East Slavicдубъ (dubŭ)
  7. Old East Slavicдубьнъ (dubĭnŭ)
  8. RussianДубна́ (Dubná)
  9. EnglishDubna
  10. Englishdubnium

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

Full word history & related roots →

Translations

Afrikaans dubnium
  • dubniumchemical element
Arabic دُبْنِيُوم, دُوبْنْيُوم
  • دُبْنِيُوم (dubniyūm)chemical element
  • دُوبْنْيُوم (dūbnyūm)chemical element
Bulgarian д́убний
  • д́убний (d́ubnij)chemical element
Catalan dubni
  • dubnichemical element
Chinese Mandarin 𨧀 /𬭊
  • 𨧀 /𬭊 (dù)chemical element
Danish dubnium
  • dubniumchemical element
Dutch dubnium
  • dubniumchemical element
Esperanto dubnio
  • dubniochemical element
Estonian dubnium
  • dubniumchemical element
Finnish dubnium
  • dubniumchemical element
French dubnium
  • dubniumchemical element
German Dubnium
  • Dubniumchemical element
Greek ντούμπνιο
  • ντούμπνιο (ntoúmpnio)chemical element
Hebrew דובניום
  • דובניום (dúbniyum)chemical element
Hungarian dubnium
  • dubniumchemical element
Italian dubnio
  • dubniochemical element
Japanese ドブニウム
  • ドブニウム (dobuniumu)chemical element
Korean 더브늄, 두브늄
  • 더브늄 (deobeunyum)chemical element
  • 두브늄 (dubeunyum)chemical element
Latvian dubnijs
  • dubnijschemical element
Lithuanian dubnis
  • dubnischemical element
Malay dubnium
  • dubniumchemical element
Norwegian dubnium
  • dubniumchemical element
Persian دوبنیم
  • دوبنیم (dubniyom)chemical element
Polish dubn
  • dubnchemical element
Portuguese dúbnio
  • dúbniochemical element
Romanian dubniu
  • dubniuchemical element
Russian ду́бний, нильсбо́рий
  • ду́бний (dúbnij)chemical element
  • нильсбо́рий (nilʹsbórij)chemical element
Scottish Gaelic duibniam
  • duibniamchemical element
Slovak dubnium
  • dubniumchemical element
Spanish dubnio
  • dubniochemical element
Swedish dubnium
  • dubniumchemical element
Tamil டப்னியம்
  • டப்னியம் (ṭapṉiyam)chemical element
Thai ดุบเนียม
  • ดุบเนียม (dúp-nîiam)chemical element
Ukrainian ду́бній
  • ду́бній (dúbnij)chemical element
Vietnamese dubni
  • dubnichemical element
Cite this entry
APA

dubnium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/dubnium

MLA

“dubnium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dubnium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “dubnium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/dubnium.

Source: dubnium on Wiktionary, CC BY-SA 4.0.