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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Received-Pronunciation:mĕndəlēv'ēəm
Received-Pronunciation:/ˌmɛn.dəˈliː.vi.əm/
Received-Pronunciation:/-ˈleɪ-/
General-American:/ˌmɛn.dəˈli.vi.əm/
General-American:/-ˈleɪ-/
General-American:Recorded audio is listed in the source snapshot.
Recorded audio is listed in the source snapshot.
1
noun
Meaning 1
A radioactive metallic transuranic chemical element (symbol Md) with atomic number 101, which is artificially produced in a particle accelerator.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: Md, Mv, unnilunium
Antonyms: none provided
2
noun
Meaning 2
a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium but Mv was formerly the symbol)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: Md, Mv, atomic number 101
Antonyms: none provided
Broader terms: chemical element, element
History
Etymology
From a modified version of Mendeleev + -ium (suffix forming names of metal elements), named in honour of the Russian chemist Dmitri Mendeleev (1834–1907) who formulated the periodic law and created an early version of the periodic table of elements. The word was proposed by a team from the University of California, Berkeley, comprising the team leader Stanley Gerald Thompson and members Gregory Robert Choppin, Albert Ghiorso, Bernard George Harvey, and Glenn T. Seaborg, who artificially synthesized the element in early 1955. (The same name was proposed, but rejected, for the earlier-discovered elements berkelium and erbium.)
Across languages
Translations
69 source translations are retained for this English entry.
Afrikaans:
mendelevium
— chemical element with atomic number 101
Albanian:
mendelevium
— chemical element with atomic number 101
Arabic:
مَنْدَلِفْيُوم
(mandalifyum)
— chemical element with atomic number 101
Armenian:
մենդելեւիում
(mendelewium)
— chemical element with atomic number 101
Asturian:
mendeleviu
— chemical element with atomic number 101
Basque:
mendelebioa
— chemical element with atomic number 101
Belarusian:
мендзяле́вій
(mjendzjaljévij)
— chemical element with atomic number 101
Breton:
mendeleviom
— chemical element with atomic number 101
Bulgarian:
менделе́вий
(mendelévij)
— chemical element with atomic number 101
Catalan:
mendelevi
— chemical element with atomic number 101
Chinese Mandarin:
鍆 /钔
(mén)
— chemical element with atomic number 101
Cornish:
mendelevyum
— chemical element with atomic number 101
Czech:
mendelevium
— chemical element with atomic number 101
Danish:
mendelevium
— chemical element with atomic number 101
Dutch:
mendelevium
— chemical element with atomic number 101
Esperanto:
mendelevio
— chemical element with atomic number 101
Estonian:
mendeleevium
— chemical element with atomic number 101
Faroese:
mendelevium
— chemical element with atomic number 101
Finnish:
mendelevium
— chemical element with atomic number 101
French:
mendélévium
— chemical element with atomic number 101
West-Frisian:
mendelevium
— chemical element with atomic number 101
Friulian:
mendelevi
— chemical element with atomic number 101
Galician:
mendelevio
— chemical element with atomic number 101
Georgian:
მენდელეევიუმი
(mendeleeviumi)
— chemical element with atomic number 101
German:
Mendelevium
— chemical element with atomic number 101
Greek:
μεντελέβιο
(mentelévio)
— chemical element with atomic number 101
Hebrew:
מנדלביום
(mendelevyum)
— chemical element with atomic number 101
Hungarian:
mendelévium
— chemical element with atomic number 101
Icelandic:
mendelevín
— chemical element with atomic number 101
Irish:
meindiléiviam
— chemical element with atomic number 101
Italian:
mendelevio
— chemical element with atomic number 101
Japanese:
メンデレビウム
(menderebiumu)
— chemical element with atomic number 101
Kashubian:
mendeléw
— chemical element with atomic number 101
Kazakh:
менделевий
(mendelevii)
— chemical element with atomic number 101
Korean:
멘델레븀
(mendellebyum)
— chemical element with atomic number 101
Latin:
mendelelevium
— chemical element with atomic number 101
Latvian:
mendelevijs
— chemical element with atomic number 101
Lithuanian:
mendelevis
— chemical element with atomic number 101
Luxembourgish:
Mendelevium
— chemical element with atomic number 101
Macedonian:
менделевиум
(mendelevium)
— chemical element with atomic number 101
Malay:
mendelevium
— chemical element with atomic number 101
Maltese:
mendelevjum
— chemical element with atomic number 101
Manx:
mendelevium
— chemical element with atomic number 101
Mongolian:
менделеби
(mendelebi)
— chemical element with atomic number 101
Norwegian:
mendelevium
— chemical element with atomic number 101
Polish:
mendelew
— chemical element with atomic number 101
Portuguese:
mendelévio
— chemical element with atomic number 101
Romanian:
mendeleviu
— chemical element with atomic number 101
Russian:
менделе́вий
(mendelévij)
— chemical element with atomic number 101
Scottish Gaelic:
meindilèiviam
— chemical element with atomic number 101
Serbo-Croatian:
мендељевиj
— chemical element with atomic number 101
Serbo-Croatian:
мендељевиjум
— chemical element with atomic number 101
Serbo-Croatian:
mendeljevij
— chemical element with atomic number 101
Serbo-Croatian:
mendeljevijum
— chemical element with atomic number 101
Slovak:
mendelevium
— chemical element with atomic number 101
Slovene:
mendelevij
— chemical element with atomic number 101
Spanish:
mendelevio
— chemical element with atomic number 101
Swedish:
mendelevium
— chemical element with atomic number 101
Tajik:
менделевий
(mendeleviy)
— chemical element with atomic number 101
Tamil:
மெண்டலேவியம்
(meṇṭalēviyam)
— chemical element with atomic number 101
Thai:
เมนเดลีเวียม
(men-dee-lii-wîiam)
— chemical element with atomic number 101
Turkish:
mendelevyum
— chemical element with atomic number 101
Ukrainian:
менделе́вій
(mendelévij)
— chemical element with atomic number 101
Uyghur:
مېندېلېيېۋىي
(mëndëlëyëwiy)
— chemical element with atomic number 101
Uzbek:
mendeleviy
— chemical element with atomic number 101
Uzbek:
менделеевий
(mendeleyeviy)
— chemical element with atomic number 101
Vietnamese:
menđelevi
— chemical element with atomic number 101
Volapük:
mendelevin
— chemical element with atomic number 101
Welsh:
mendelefiwm
— chemical element with atomic number 101