What is the meaning of plutonium trigger?

noun

  • A steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). plutonium trigger. Retrieved September 22, 2026, from http://smartdefine.org/plutonium_trigger/definitions/1206906
ChicagoWordNet. 2010. "plutonium trigger" http://smartdefine.org/plutonium_trigger/definitions/1206906 (accessed September 22, 2026).
HarvardWordNet 2010, plutonium trigger, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/plutonium_trigger/definitions/1206906>.
MLAWordNet. "plutonium trigger" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/plutonium_trigger/definitions/1206906>