Definition of dubnium Dubnium
We found 4 definitions of dubnium from 4 different sources.
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What does dubnium mean?
WordNet
NounPlural: dubniums |
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| dubnium - a transuranic element | ||
| Db, hahnium, element 105, atomic number 105 | ||
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Wiktionary 
- dubnium (Noun)
A transuranic chemical element symbol Db with atomic number 105.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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dubnium
Chemical element with symbol Db and atomic number 105, transition metal.
Wikipedia 
- Dubnium is a chemical element. It has been named eka-tantalum, hahnium and unnilpentium but is now named dubnium. It has the symbol Db. It has the atomic number 105. It is a very radioactive element that does not exist in nature. It has to be made. The isotope that has the longest half-life only has a half life of 32 hours. Dubnium is a transactinide element.
