Standard Lemma guide

einsteinium

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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  • US: /aɪnˈstaɪni.əm/
  • US: īnstīn'ēəm
  • Southern-England: 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 Es) with atomic number 99: a soft, silvery, paramagnetic metal.

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 produced by bombarding plutonium with neutrons

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Es, E, atomic number 99

Antonyms: none provided

Broader terms: metallic element, metal

History

Etymology

From Einstein + -ium. Named after Albert Einstein.

Across languages

Translations

69 source translations are retained for this English entry.

  • Afrikaans: einsteinium — element with atomic number 99
  • Albanian: ajnshtajnium — element with atomic number 99
  • Arabic: أَيْنِشْتَيْنِيُوم (ʔayništayniyūm) — element with atomic number 99
  • Armenian: էյնշտեյնիում (ēynšteynium) — element with atomic number 99
  • Asturian: einsteniu — element with atomic number 99
  • Basque: einstenioa — element with atomic number 99
  • Breton: einsteiniom — element with atomic number 99
  • Bulgarian: айнща́йний (ajnštájnij) — element with atomic number 99
  • Catalan: einsteini — element with atomic number 99
  • Chinese Mandarin: 锿 (āi) — element with atomic number 99
  • Cornish: eynsteynyum — element with atomic number 99
  • Czech: einsteinium — element with atomic number 99
  • Danish: einsteinium — element with atomic number 99
  • Dutch: einsteinium — element with atomic number 99
  • Esperanto: ejnŝtejnio — element with atomic number 99
  • Estonian: einsteinium — element with atomic number 99
  • Faroese: einsteinium — element with atomic number 99
  • Finnish: einsteinium — element with atomic number 99
  • French: einsteinium — element with atomic number 99
  • West-Frisian: einsteinium — element with atomic number 99
  • Friulian: einsteni — element with atomic number 99
  • Galician: einsteinio — element with atomic number 99
  • Georgian: აინშტაინიუმი (ainšṭainiumi) — element with atomic number 99
  • German: Einsteinium — element with atomic number 99
  • Greek: αϊνστάνιο (aïnstánio) — element with atomic number 99
  • Hebrew: אינשטייניום (aynshtayniyum) — element with atomic number 99
  • Hungarian: einsteinium — element with atomic number 99
  • Icelandic: einsteinín — element with atomic number 99
  • Ido: einsteinio — element with atomic number 99
  • Irish: éinstéiniam — element with atomic number 99
  • Italian: einstenio — element with atomic number 99
  • Japanese: アインスタイニウム (ainsutainiumu) — element with atomic number 99
  • Kazakh: эйнштейний (éinşteinii) — element with atomic number 99
  • Korean: 아인시타이늄 (ainsitainyum) — element with atomic number 99
  • Korean: 아인슈타이늄 (ainsyutainyum) — element with atomic number 99
  • Latin: einsteinium — element with atomic number 99
  • Latvian: einšteinijs — element with atomic number 99
  • Lithuanian: einšteinis — element with atomic number 99
  • Luxembourgish: Einsteinium — element with atomic number 99
  • Macedonian: ајншта́јниум (ajnštájnium) — element with atomic number 99
  • Malay: einsteinium — element with atomic number 99
  • Maltese: ejnstenjum — element with atomic number 99
  • Manx: einsteinium — element with atomic number 99
  • Mongolian: эйнштейни (ejnštejni) — element with atomic number 99
  • Norwegian: einsteinium — element with atomic number 99
  • Polish: einstein — element with atomic number 99
  • Portuguese: einstânio — element with atomic number 99
  • Romanian: einsteiniu — element with atomic number 99
  • Russian: эйнште́йний (ejnštéjnij) — element with atomic number 99
  • Scottish Gaelic: einstèiniam — element with atomic number 99
  • Serbo-Croatian: еинстеиниј — element with atomic number 99
  • Serbo-Croatian: аjнштаjниjум — element with atomic number 99
  • Serbo-Croatian: einsteinij — element with atomic number 99
  • Serbo-Croatian: ajnštajnijum — element with atomic number 99
  • Slovak: einsteinium — element with atomic number 99
  • Slovene: ajnštajnij — element with atomic number 99
  • Spanish: einstenio — element with atomic number 99
  • Swedish: einsteinium — element with atomic number 99
  • Tajik: e'nshte'ni' — element with atomic number 99
  • Tamil: ஐன்ஸ்டீனியம் (aiṉsṭīṉiyam) — element with atomic number 99
  • Thai: ไอน์สไตเนียม (aai-sà-dtaai-nîiam) — element with atomic number 99
  • Turkish: aynştaynyum — element with atomic number 99
  • Ukrainian: ейнште́йній (ejnštéjnij) — element with atomic number 99
  • Ukrainian: айншта́йній (ajnštájnij) — element with atomic number 99
  • Uyghur: ئېينشتېينىي (ëynshtëyniy) — element with atomic number 99
  • Uzbek: eynshteyniy — element with atomic number 99
  • Vietnamese: ensteni — element with atomic number 99
  • Volapük: länstänin — element with atomic number 99
  • Welsh: einsteiniwm — element with atomic number 99