roentgenium
noun /ˌrɒntˈɡiːniəm/
/ˌrentˈɡiːniəm/
[uncountable] (symbol Rg)
- a chemical element. Roentgenium is a radioactive element that is produced artificially and has no known use.
錀(一种人工合成的放射性化学元素) - the discovery and naming of roentgenium
伦琴的发现和命名 - Roentgenium has no stable isotopes.
伦琴没有稳定的同位素。
- the discovery and naming of roentgenium