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  • Definition
    • radiation :syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours
      • he was suffering from radiation

    • radiation :energy that is radiated or transmitted in the form of rays or waves or particles

      • radiation :the act of spreading outward from a central source

        • radiation :the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

          • radiation :the spread of a group of organisms into new habitats

            • radiation :a radial arrangement of nerve fibers connecting different parts of the brain

              • radiation :(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

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