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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prōmē'thēəm
/pɹoʊˈmiːθiəm/
Southern-England:Recorded audio is listed in the source snapshot.
General-American:Recorded audio is listed in the source snapshot.
CMU ARPABET:P R AH0 M IY1 TH IY2 AH0 M
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A metallic chemical element (symbol Pm) with an atomic number of 61.
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 soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: Pm, atomic number 61
Antonyms: none provided
Broader terms: metallic element, metal
History
Etymology
1945. From the name of the Greek god Prometheus, who stole the fire from Mount Olympus and brought it down to mankind + -ium.
Across languages
Translations
70 source translations are retained for this English entry.
Afrikaans:
prometium
— chemical element
Albanian:
promet
— chemical element
Arabic:
بُرُومِثِيُوم
(burūmiṯiyūm)
— chemical element
Armenian:
պրոմեթիում
(prometʻium)
— chemical element
Asturian:
prometiu
— chemical element
Basque:
prometioa
— chemical element
Belarusian:
праме́тый
(pramjétyj)
— chemical element
Breton:
prometiom
— chemical element
Bulgarian:
проме́тий
(prométij)
— chemical element
Catalan:
prometi
— chemical element
Chinese Mandarin:
鉕 /钷
(pǒ)
— chemical element
Cornish:
promethyum
— chemical element
Czech:
promethium
— chemical element
Danish:
promethium
— chemical element
Dutch:
promethium
— chemical element
Esperanto:
prometio
— chemical element
Estonian:
promeetium
— chemical element
Faroese:
prometium
— chemical element
Finnish:
prometium
— chemical element
French:
prométhium
— chemical element
French:
prométhéum
— chemical element
West-Frisian:
promethium
— chemical element
Friulian:
prometi
— chemical element
Galician:
prometio
— chemical element
Georgian:
პრომეთიუმი
(ṗrometiumi)
— chemical element
German:
Promethium
— chemical element
Greek:
προμήθιο
(promíthio)
— chemical element
Hebrew:
פרומתיום
(prométyum)
— chemical element
Hindi:
पिविरला
(pivirlā)
— chemical element
Hungarian:
prométium
— chemical element
Icelandic:
prómetín
— chemical element
Indonesian:
promethium
— chemical element
Irish:
próméitiam
— chemical element
Italian:
promezio
— chemical element
Japanese:
プロメチウム
(puromechiumu)
— chemical element
Kashubian:
promet
— chemical element
Kazakh:
прометий
(prometii)
— chemical element
Khmer:
ប្រូមេចូម
(proumeicoum)
— chemical element
Korean:
프로메튬
(peurometyum)
— chemical element
Latin:
prometium
— chemical element
Latvian:
prometijs
— chemical element
Lithuanian:
prometis
— chemical element
Luxembourgish:
Promethium
— chemical element
Macedonian:
прометиум
(prometium)
— chemical element
Malay:
prometium
— chemical element
Maltese:
promizjum
— chemical element
Manx:
promaiçhum
— chemical element
Mongolian:
промети
(prometi)
— chemical element
Norwegian:
promethium
— chemical element
Polish:
promet
— chemical element
Portuguese:
promécio
— chemical element
Romanian:
promețiu
— chemical element
Russian:
проме́тий
(prométij)
— chemical element
Scottish Gaelic:
promèitiam
— chemical element
Serbo-Croatian:
прометиjум
— chemical element
Serbo-Croatian:
прометиj
— chemical element
Serbo-Croatian:
prometijum
— chemical element
Serbo-Croatian:
prometij
— chemical element
Slovak:
prométium
— chemical element
Slovene:
prometij
— chemical element
Spanish:
promecio
— chemical element
Swedish:
prometium
— chemical element
Tajik:
прометий
(prometiy)
— chemical element
Thai:
โพรมีเทียม
(proo-mii-tîiam)
— chemical element
Turkish:
prometyum
— chemical element
Ukrainian:
проме́тій
(prométij)
— chemical element
