Standard Lemma guide

meitnerium

noun · 2 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

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  • mītnēr'ēəm
  • /maɪtˈnɪəɹi.əm/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • General-American: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪəɹiəm

1

noun

Meaning 1

A transuranic chemical element (symbol Mt) with atomic number 109.

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 radioactive transuranic element

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Mt, element 109, atomic number 109

Antonyms: none provided

Broader terms: chemical element, element

History

Etymology

From Meitner + -ium; named for Lise Meitner.

Across languages

Translations

51 source translations are retained for this English entry.

  • Afrikaans: meitnerium — chemical element
  • Albanian: majtnerium — chemical element
  • Arabic: مِيتْنِرْيُوم (meytniryum) — chemical element
  • Armenian: մայտներիում (maytnerium) — chemical element
  • Bulgarian: ме́йтнерий (méjtnerij) — chemical element
  • Catalan: meitneri — chemical element
  • Chinese Mandarin: 䥑 /鿏 (mài) — chemical element
  • Cornish: meytneryum — chemical element
  • Czech: meitnerium — chemical element
  • Danish: meitnerium — chemical element
  • Dutch: meitnerium — chemical element
  • Esperanto: mejtnerio — chemical element
  • Estonian: meitneerium — chemical element
  • Finnish: meitnerium — chemical element
  • French: meitnérium — chemical element
  • West-Frisian: meitnerium — chemical element
  • Galician: meitnerio — chemical element
  • Georgian: მაიტნერიუმი (maiṭneriumi) — chemical element
  • German: Meitnerium — chemical element
  • Greek: μαϊτνέριο (maïtnério) — chemical element
  • Hebrew: מיטנריום (meitneryum) — chemical element
  • Hungarian: meitnérium — chemical element
  • Italian: meitnerio — chemical element
  • Japanese: マイトネリウム (maitoneriumu) — chemical element
  • Kashubian: meitner — chemical element
  • Korean: 마이트너륨 (maiteuneoryum) — chemical element
  • Latvian: meitnērijs — chemical element
  • Lithuanian: meitneris — chemical element
  • Luxembourgish: Meitnerium — chemical element
  • Macedonian: мајтнериум (majtnerium) — chemical element
  • Malay: meitnerium — chemical element
  • Norwegian: meitnerium — chemical element
  • Polish: meitner — chemical element
  • Portuguese: meitnério — chemical element
  • Romanian: meitneriu — chemical element
  • Russian: мейтне́рий (mejtnérij) — chemical element
  • Scottish Gaelic: mèitneiriam — chemical element
  • Serbo-Croatian: мајтнеријум — chemical element
  • Serbo-Croatian: меитнериј — chemical element
  • Serbo-Croatian: majtnerijum — chemical element
  • Serbo-Croatian: meitnerij — chemical element
  • Slovak: meitnerium — chemical element
  • Slovak: meitnérium — chemical element
  • Spanish: meitnerio — chemical element
  • Swedish: meitnerium — chemical element
  • Tamil: மீட்நேரியம் (mīṭnēriyam) — chemical element
  • Thai: ไมต์นีเรียม (mainīriam) — chemical element
  • Turkish: meitneriyum — chemical element
  • Ukrainian: ма́йтнерій (májtnerij) — chemical element
  • Uzbek: meitneriy — chemical element
  • Volapük: mätnerin — chemical element