Meaning of dubnium | Babel Free
/ˈdʌbniəm/Definitions
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A transuranic chemical element (symbol Db) with atomic number 105. uncountable
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A rejected name for rutherfordium. obsolete, uncountable
Equivalents
CEFR level
B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
This word is part of the CEFR B1 vocabulary — intermediate level.