Standard Lemma guide

dubnium

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: dŭb'nēəm
  • UK: /ˈdʌbniəm/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: do͞ob'nēəm
  • US: /ˈduːbniəm/
  • US: dŭb'nēəm
  • US: /ˈdʌbniəm/
  • General-American: Recorded audio is listed in the source snapshot.
  • General-American: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A rejected name for rutherfordium.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete, uncountable

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a transuranic element

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Db, hahnium, element 105, atomic number 105

Antonyms: none provided

Broader terms: chemical element, element

History

Etymology

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

Across languages

Translations

56 source translations are retained for this English entry.

  • Afrikaans: dubnium — chemical element
  • Albanian: dubnium — chemical element
  • Arabic: دُبْنِيُوم (dubniyūm) — chemical element
  • Armenian: դուբնիում (dubnium) — chemical element
  • Belarusian: ду́бній (dúbnij) — chemical element
  • Bulgarian: д́убний (d́ubnij) — chemical element
  • Catalan: dubni — chemical element
  • Chinese Mandarin: 𨧀 /𬭊 (dù) — chemical element
  • Cornish: dubnyum — chemical element
  • Danish: dubnium — chemical element
  • Dutch: dubnium — chemical element
  • Esperanto: dubnio — chemical element
  • Estonian: dubnium — chemical element
  • Finnish: dubnium — chemical element
  • French: dubnium — chemical element
  • West-Frisian: dubnium — chemical element
  • Galician: dubnio — chemical element
  • Georgian: ნილსბორიუმი (nilsboriumi) — chemical element
  • Georgian: დუბნიუმი (dubniumi) — chemical element
  • German: Dubnium — chemical element
  • Greek: ντούμπνιο (ntoúmpnio) — chemical element
  • Hebrew: דובניום (dúbniyum) — chemical element
  • Hungarian: dubnium — chemical element
  • Italian: dubnio — chemical element
  • Japanese: ドブニウム (dobuniumu) — chemical element
  • Kashubian: dubn — chemical element
  • Kazakh: дубний (dubnii) — chemical element
  • Korean: 더브늄 (deobeunyum) — chemical element
  • Korean: 두브늄 (dubeunyum) — chemical element
  • Latvian: dubnijs — chemical element
  • Lithuanian: dubnis — chemical element
  • Luxembourgish: Dubnium — chemical element
  • Macedonian: дубниум (dubnium) — chemical element
  • Malay: dubnium — chemical element
  • Manx: dubnium — chemical element
  • Norwegian: dubnium — chemical element
  • Polish: dubn — chemical element
  • Portuguese: dúbnio — chemical element
  • Romanian: dubniu — chemical element
  • Russian: ду́бний (dúbnij) — chemical element
  • Russian: нильсбо́рий (nilʹsbórij) — chemical element
  • Scottish Gaelic: duibniam — chemical element
  • Serbo-Croatian: дубниj — chemical element
  • Serbo-Croatian: дубниjум — chemical element
  • Serbo-Croatian: dubnij — chemical element
  • Serbo-Croatian: dubnijum — chemical element
  • Slovak: dubnium — chemical element
  • Spanish: dubnio — chemical element
  • Swedish: dubnium — chemical element
  • Tajik: дубний (dubniy) — chemical element
  • Tamil: டப்னியம் (ṭapṉiyam) — chemical element
  • Thai: ดุบเนียม (dúp-nîiam) — chemical element
  • Ukrainian: ду́бній (dúbnij) — chemical element
  • Uzbek: dubniy — chemical element
  • Vietnamese: dubni — chemical element
  • Volapük: dubnin — chemical element