Berkelium
/bɜːɹˈkiːliəm/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A transuranic chemical element (symbol Bk) with an atomic number of 97. uncountable
- 2 a radioactive transuranic element; discovered by bombarding americium with helium wordnet
Etymology
After Berkeley, California, because of discovery at UC Berkeley, + -ium.