Luminescence, emitted light, physical emitted light from bodies at low temperatures, in comparison with temperature radiation or electromagnetic radiation. The phenomenon occurs in materials, organism and chemical reactions with the property that light is emitted near low temperatures.
Se also: Phosphorescence, Fluorescence (both two goes under the common abbrevation photoluminiscence), Termoluminiscence, Triboluminiscence, Chemiluminiscence, Bioluminiscence, Cristalloluminiscence, Electroluminiscence.
