Thesaurus: radiation

Related headwords

Definitions

1. n. The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness.
2. n. The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat.
3. n. energy that is radiated or transmitted in the form of rays or waves or particles
4. n. the act of spreading outward from a central source
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
6. n. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
7. n. the spread of a group of organisms into new habitats
8. n. a radial arrangement of nerve fibers connecting different parts of the brain
9. n. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
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.
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