What is the meaning of plutonium 239?

noun

  • A highly fissionable isotope of plutonium that is used in atomic weapons and as a reactor fuel; produced by irradiating uranium 238 with slow electrons. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). plutonium 239. Retrieved September 20, 2026, from http://smartdefine.org/plutonium_239/definitions/1247675
ChicagoWordNet. 2010. "plutonium 239" http://smartdefine.org/plutonium_239/definitions/1247675 (accessed September 20, 2026).
HarvardWordNet 2010, plutonium 239, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/plutonium_239/definitions/1247675>.
MLAWordNet. "plutonium 239" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/plutonium_239/definitions/1247675>