What does "nuclear energy" mean?

The energy released by a nuclear reaction; either through nuclear fission or nuclear fusion

Nuclear energy

Common synonyms include: atomic energy, atomic, fission energy, nuclear generation, nuclear power, nuclear power technology.

noun

noun ·Rare ·Advanced level

Noun

1
The energy released by a nuclear reaction; either through nuclear fission or nuclear fusion uncountable
2
the energy released by a nuclear reaction wordnet
3
Such energy used as a power source. uncountable