weapon-grade plutonium

• 武器级钚是指钚-239丰度极高（通常超过90%）的钚，适合用于制造核武器，因为它能维持快中子链式反应。

A highly refined form of plutonium-239, specifically produced for use in nuclear weapons due to its ability to sustain a fast neutron chain reaction.

1. Highly enriched plutonium for nuclear weaponsC2formal

   Plutonium with a high concentration of the isotope Pu-239, suitable for use in nuclear weapons due to its ability to sustain a fast neutron chain reaction.

   武器级钚

   • The country was suspected of producing weapon-grade plutonium at its secret facility.
   • International inspectors monitor the production of weapon-grade plutonium to prevent proliferation.
   • The treaty prohibits the transfer of weapon-grade plutonium to non-nuclear states.