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See also the Plasma Dictionary.
|Definition:||(Sense 1) Process of emission of energy from a body in the form of light or heat waves, or energetic particles such as alpha particles, electrons, or neutrons. (Sense 2) Radiation also refers to *what is emitted* when an object radiates (but not *what does the emitting*). A nucleus which does the emitting is said to be radioactive. Electrons in atoms can also emit radiation in the form of ordinary visible light; such atoms are not said to be radioactive. Black Body Bound-Bound Cyclotron Free-Bound Free-Free Synchrotron|