Nuclear Radiation Definition

Nuclear radiation may refer to light, heat, or energetic particles emitted by nuclear decay, fission, or fusion.
Nuclear radiation may refer to light, heat, or energetic particles emitted by nuclear decay, fission, or fusion. Ian Cuming / Getty Images

Nuclear Radiation Definition

Nuclear radiation refers to the particles and photons emitted during reactions that involve the nucleus of an atom.

Examples: During the fission of U-235 the nuclear radiation that is released contains neutrons and gamma ray photons.