Definition of roentgenium in English:

roentgenium

Pronunciation: /rʌntˈdʒɛnɪəm//rəːntˈɡɛnɪəm//rɒntˈɡɛnɪəm/

noun

  • The chemical element of atomic number 111, a radioactive element produced artificially.

Origin

Early 21st century: named after Wilhelm Conrad Röntgen (see roentgen).

Pronunciation:

roentgenium

/rʌntˈdʒɛnɪəm//rəːntˈɡɛnɪəm//rɒntˈɡɛnɪəm/