noun
- a radioactive metallic chemical element used as fuel in nuclear reactors and in nuclear weapons
Usage: chemistry
Examples
- Plutonium is one of the most dangerous radioactive elements.
- The nuclear power plant uses plutonium as fuel.
- Scientists must handle plutonium with extreme caution.
- Plutonium has the chemical symbol Pu.
- The atomic bomb contained plutonium as its fissile material.
- Plutonium-239 is the most common isotope used in nuclear weapons.
- Workers at the facility wear protective gear when dealing with plutonium.