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radiation (RAY-dee-AY-shun)

 Energy released in the form of particle or electromagnetic waves. Common sources of radiation include radon gas, cosmic rays from outer space, medical x-rays, and energy given off by a radioisotope (unstable form of a chemical element that releases radiation as it breaks down and becomes more stable).



Previous Definitions:R115777, R1507, rabies, rAd/p53, RAD001
Next Definitions:radiation brachytherapy, radiation dermatitis, radiation enteritis, radiation fibrosis, radiation necrosis

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