Definition of rutherfordium noun from the Oxford Advanced American Dictionary

 

rutherfordium

 noun
noun
NAmE//ˌrʌðərˈfɔrdiəm//
 
[uncountable](symbol Rf)
 
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a chemical element. Rutherfordium is radioactive and does not exist in nature but is produced artificially when atoms collide (= crash into each other).
See the Oxford Advanced Learner's Dictionary entry: rutherfordium