English
Detailed Synonyms for plutonium 239 in English
plutonium 239:
plutonium 239 [the ~] noun
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the plutonium 239
– 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 1the plutonium 239– 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 1