Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun weapon-grade_plutonium

1 sense of weapon-grade plutonium

Sense 1
weapons plutonium, weapon-grade plutonium -- (plutonium 239 that is recovered when nuclear weapons are disassembled; it is stored in plutonium pits)
       => 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)