Gamma radiationDefinition (http://en.wikipedia.org/wiki/Gamma_radiation) Gamma radiation, also known as gamma rays, and denoted by the Greek letter ?, refers to electromagnetic radiation of high frequency and therefore high energy per photon. Gamma rays are ionizing radiation, and are thus biologically hazardous. (Wikipedia) Preferred Units: N/A Scope Note:
N/A This term is used for the following terms:
N/A Approved Date
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