Standard Lemma guide

ununoctium

noun · 1 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.

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Pronunciation

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1

noun

Meaning 1

The systematic element name for the chemical element with atomic number 118 (symbol Uuo); now named oganesson.

Definition source: English Wiktionary via Wiktextract

Usage: dated, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Systematic element name, from un- + un- + oct- + -ium.

Across languages

Translations

27 source translations are retained for this English entry.

  • Arabic: أُنُون أُوكْتِيُوم (ʔunun ʔuktiyum) — chemical element
  • Catalan: ununocti — chemical element
  • Dutch: ununoctium — chemical element
  • Esperanto: ununoktio — chemical element
  • Estonian: ununoktium — chemical element
  • Finnish: ununoktium — chemical element
  • French: ununoctium — chemical element
  • Galician: ununoctio — chemical element
  • German: Ununoctium — chemical element
  • Greek: ουνουνόκτιο (ounounóktio) — chemical element
  • Hungarian: ununoktium — chemical element
  • Italian: ununoctio — chemical element
  • Korean: 우누녹튬 (ununoktyum) — chemical element
  • Malay: ununoktium — chemical element
  • Norwegian: ununoctium — chemical element
  • Polish: ununoctium — chemical element
  • Portuguese: ununóctio — chemical element
  • Romanian: ununoctiu — chemical element
  • Russian: унуно́ктий (ununóktij) — chemical element
  • Serbo-Croatian: унуноктиј — chemical element
  • Serbo-Croatian: унуноктијум — chemical element
  • Serbo-Croatian: ununoktij — chemical element
  • Serbo-Croatian: ununoktijum — chemical element
  • Spanish: ununoctio — chemical element
  • Swedish: ununoktium — chemical element
  • Thai: อูนอูนออกเทียม (ūnūnòktiam) — chemical element
  • Ukrainian: унуно́ктій (ununóktij) — chemical element