nuclear power(redirected from Fission power)
Also found in: Thesaurus, Legal, Encyclopedia.
1. Power, especially electricity, the source of which is nuclear fission.
2. A nation or group possessing nuclear weapons.
(General Physics) power, esp electrical or motive, produced by a nuclear reactor. Also called: atomic power
Not to be used without appropriate modifier. See also civil nuclear power; major nuclear power; military nuclear power; nuclear nation; nuclear weapons state.