
Decay heat is the heat released as a result of radioactive decay. This heat is produced as an effect of radiation on materials: the energy of the alpha, beta or gamma radiation is converted into the thermal movement of atoms. Decay heat occurs naturally from decay of long-lived radioisotopes that are primordially present from the Earth`s beginnin....
Found on
http://en.wikipedia.org/wiki/Decay_heat

The heat produced by the energy of decay of radionuclides.
Found on
http://www.contractorsunlimited.co.uk/toolbox/nuclear.shtml
No exact match found.