rutherfordium

 
Pronunciation: /ˌrʌðəˈfɔːdɪəm/

noun

[mass noun]
  • the chemical element of atomic number 104, a very unstable element made by high-energy atomic collisions. (Symbol: Rf)

Origin:

1960s: modern Latin, named after E. Rutherford (see Rutherford, Sir Ernest)