roentgenium
noun
- chemical element with atomic number 111
Wiktionary
Pronunciation: /ɹɛntˈɡɛniəm/ / /ɹʌntˈɡɛniəm/
noun
Etymology: From Roentgen + -ium. Named after Wilhelm Roentgen.
- A transuranic chemical element (symbol Rg) with atomic number 111.
Pronunciation: /ɹɛntˈɡɛniəm/ / /ɹʌntˈɡɛniəm/
Etymology: From Roentgen + -ium. Named after Wilhelm Roentgen.