noun
- A radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms.
- synonyms: Am, atomic number 95
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). americium. Retrieved September 22, 2026, from http://smartdefine.org/americium/definitions/1247600 |
| Chicago | WordNet. 2010. "americium" http://smartdefine.org/americium/definitions/1247600 (accessed September 22, 2026). |
| Harvard | WordNet 2010, americium, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/americium/definitions/1247600>. |
| MLA | WordNet. "americium" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/americium/definitions/1247600> |