noun
- A steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives.
- synonyms: plutonium trigger
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). plutonium pit. Retrieved September 22, 2026, from http://smartdefine.org/plutonium_pit/definitions/1302810 |
| Chicago | WordNet. 2010. "plutonium pit" http://smartdefine.org/plutonium_pit/definitions/1302810 (accessed September 22, 2026). |
| Harvard | WordNet 2010, plutonium pit, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/plutonium_pit/definitions/1302810>. |
| MLA | WordNet. "plutonium pit" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/plutonium_pit/definitions/1302810> |