Gamma Rays

Gamma Radiation; Radiation, Gamma; Gamma Radiations; Gamma Ray; Radiations, Gamma; Ray, Gamma; Rays, Gamma
Very powerful and penetrating, high-energy electromagnetic radiation of shorter wavelength than that of x-rays. They are emitted by a decaying nucleus, usually between 0.01 and 10 MeV. They are also called nuclear x-rays.