roentgenium
/ˈrɒntgənɪəm/noun
- the chemical element of atomic number 111, a radioactive element produced artificially. (Symbol: Rg)(化学元素)(符号:Rg)。
词源
early 21st cent.: named after Wilhelm Conrad Röntgen (see ROENTGEN).
单词 | roentgenium |
释义 | roentgenium/ˈrɒntgənɪəm/noun
词源 early 21st cent.: named after Wilhelm Conrad Röntgen (see ROENTGEN). |
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