(physics) The energy released by a nuclear reaction; either through nuclear fission or nuclear fusion / Such energy used as a power source.

(physics) Any device in which a controlled chain reaction is maintained for the purpose of creating heat (for power generation) or for creating neutrons and other fission products for experimental, medical or other purposes.

(physics) The distribution of the intensity of particles or radiation emitted in a nuclear process as a function of energy - a unique signature of each process.

(physics) Any device that converts the energy of particles emitted from atomic nuclei into electrical energy.

The branch of physics that studies the nucleus of the atom, its internal structure and components.

The arsenal of nuclear weapons of a nation viewed as a deterrent to an enemy from attacking.

(uncountable) Power, especially electrical power, obtained using nuclear fission or nuclear fusion. / (countable) A nation that possesses nuclear weapons.

The use of nuclear weapons as weapons of war.

plural of nuclear isomer

(physics) Any of two or more atomic nuclei with the same mass number and atomic number but with different radioactive properties