radiation

1. n. The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness. Source: opted

2. n. The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat. Source: opted

3. n. energy that is radiated or transmitted in the form of rays or waves or particles Source: wordnet

4. n. the act of spreading outward from a central source Source: wordnet

5. n. 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 Source: wordnet

6. n. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay Source: wordnet

7. n. the spread of a group of organisms into new habitats Source: wordnet

8. n. a radial arrangement of nerve fibers connecting different parts of the brain Source: wordnet

9. n. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance Source: wordnet

10. 1. The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness. 2. The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat. Source: webster

11. n:100 n. energy that is radiated or transmitted in the form of rays or waves or particles n. the act of spreading outward from a central source n. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay n. the spread of a group of organisms into new habitats Source: ecdict

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