- Nuclear energy is a source of power which is created from energy released by a nuclear reaction.
An example of nuclear energy is the electricity generated by a nuclear reactor, which is the major power source used in Japan.
A plant for the production of atomic or nuclear energy.
the energy released from an atom in nuclear reactions or by radioactive decay: esp. the energy released in nuclear fission or nuclear fusion
- The energy released by a nuclear reaction, especially by fission or fusion.
- Nuclear energy regarded as a source of power. Also called atomic energy.