RADIATION

radiation. Radiation, n. an emission of rays, a beamy luster

---

Ra′di‐a″tion (–ā″shŭn), n. [[L. radiatio: cf. F. radiation.]] 1. 1. The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness.
2. 2. The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat.