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plutonium 239

NOUN
  1. 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

How To Use plutonium 239 In A Sentence

  • That would leave the bulk of the bag free for the plutonium 239 and the firing mechanism John had described.
  • That would leave the bulk of the bag free for the plutonium 239 and the firing mechanism John had described.
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