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Definition 2025
unununium
unununium
English
| Chemical element | |
|---|---|
| Uuu | Previous: ununnilium (Uun) | 
| Next: ununbium (Uub) | |
Noun
unununium (uncountable)
- (dated) Roentgenium.
 
Translations
systematic name for roentgenium
  | 
| Chemical element | |
|---|---|
| Uuu | Previous: ununnilium (Uun) | 
| Next: ununbium (Uub) | |
unununium (uncountable)
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