noun
- A radioactive transuranic element.
- synonyms: roentgenium, Rg, element 111
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). atomic number 111. Retrieved September 21, 2026, from http://smartdefine.org/atomic_number_111/definitions/1258281 |
| Chicago | WordNet. 2010. "atomic number 111" http://smartdefine.org/atomic_number_111/definitions/1258281 (accessed September 21, 2026). |
| Harvard | WordNet 2010, atomic number 111, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/atomic_number_111/definitions/1258281>. |
| MLA | WordNet. "atomic number 111" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/atomic_number_111/definitions/1258281> |