Dubnium
/ˈduːbniəm/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A transuranic chemical element (symbol Db) with atomic number 105. uncountable
- 2 a transuranic element with atomic number 105 wordnet
- 3 A rejected name for rutherfordium. obsolete, uncountable
Etymology
From Dubna + -ium, named after Dubna, Moscow Oblast, Russia, the site of the Joint Institute for Nuclear Research, which discovered the element.