Definition of seaborgium noun from the Oxford Advanced American Dictionary

 

seaborgium

 noun
noun
NAmE//siˈbɔrɡiəm//
 
[uncountable](symbol Sg)
 
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a radioactive chemical element. Seaborgium is produced when atoms collide (= crash into each other).
See the Oxford Advanced Learner's Dictionary entry: seaborgium