Meanings
alternative prometheum
- uncountablechemistryA metallic chemical element (symbol Pm) with an atomic number of 61.
- countablechemistryAn atom of this element.
Synonyms & antonyms
metallic element
nouna soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
1945. From the name of the Greek god Prometheus, who stole the fire from Mount Olympus and brought it down to mankind + -ium.
Full word history & related roots →Translations
Afrikaans prometium
- prometiumchemical element
Arabic بُرُومِثِيُوم
- بُرُومِثِيُوم (burūmiṯiyūm)chemical element
Basque prometioa
- prometioachemical element
Bulgarian проме́тий
- проме́тий (prométij)chemical element
Catalan prometi
- prometichemical element
Chinese Mandarin 鉕 /钷
- 鉕 /钷 (pǒ)chemical element
Czech promethium
- promethiumchemical element
Danish promethium
- promethiumchemical element
Dutch promethium
- promethiumchemical element
Esperanto prometio
- prometiochemical element
Estonian promeetium
- promeetiumchemical element
Finnish prometium
- prometiumchemical element
French prométhium, prométhéum
- prométhiumchemical element
- prométhéumchemical element
German Promethium
- Promethiumchemical element
Greek προμήθιο
- προμήθιο (promíthio)chemical element
Hebrew פרומתיום
- פרומתיום (prométyum)chemical element
Hindi पिविरला
- पिविरला (pivirlā)chemical element
Hungarian prométium
- prométiumchemical element
Icelandic prómetín
- prómetínchemical element
Indonesian promethium
- promethiumchemical element
Irish próméitiam
- próméitiamchemical element
Italian promezio
- promeziochemical element
Japanese プロメチウム
- プロメチウム (puromechiumu)chemical element
Korean 프로메튬
- 프로메튬 (peurometyum)chemical element
Latin prometium
- prometiumchemical element
Latvian prometijs
- prometijschemical element
Lithuanian prometis
- prometischemical element
Malay prometium
- prometiumchemical element
Norwegian promethium
- promethiumchemical element
Polish promet
- prometchemical element
Portuguese promécio
- proméciochemical element
Romanian promețiu
- promețiuchemical element
Russian проме́тий
- проме́тий (prométij)chemical element
Scottish Gaelic promèitiam
- promèitiamchemical element
Slovak prométium
- prométiumchemical element
Spanish promecio
- promeciochemical element
Swedish prometium
- prometiumchemical element
Thai โพรมีเทียม
- โพรมีเทียม (proo-mii-tîiam)chemical element
Turkish prometyum
- prometyumchemical element
Ukrainian проме́тій
- проме́тій (prométij)chemical element
Vietnamese prometi
- prometichemical element
Welsh promethiwm
- promethiwmchemical element
Cite this entry
promethium. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/promethium
“promethium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/promethium. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “promethium,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/promethium.
Source: promethium on Wiktionary, CC BY-SA 4.0.