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weapon-grade plutonium
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weapons plutonium
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APASmart Define. (2011). plutonium 239 thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/plutonium_239/thesaurus/narrower
ChicagoSmart Define. 2011. "plutonium 239 thesaurus" https://smartdefine.org/plutonium_239/thesaurus/narrower (accessed September 21, 2026).
HarvardSmart Define 2011, plutonium 239 thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/plutonium_239/thesaurus/narrower>.
MLASmart Define. "plutonium 239 thesaurus" 26 April 2011. Web. 21 September 2026. <https://smartdefine.org/plutonium_239/thesaurus/narrower>