kurchatovium
/ˌkɜːtʃəˈtəʊvɪəm/noun
mass noun
- historical a name proposed in the former USSR for the artificial radioactive element of atomic number 104, now called rutherfordium〈史〉（前苏联对第104号元素的命名, 现称钌）。
词源
1960s: named after Igor V. Kurchatov （1903- 60）, Russian nuclear physicist.