the resistive component of the impedance of a radio transmitting aerial that arises from the radiation of power
noun, Pathology. 1. sickness caused by irradiation with x-rays or other nuclear radiation as a result of therapeutic treatment, accidental exposure, or a nuclear bomb explosion and characterized by nausea, vomiting, headache, cramps, diarrhea, loss of hair and teeth, destruction of white blood cells, and prolonged hemorrhage. noun 1. (pathol) illness caused by overexposure of […]
noun 1. . [rey-dee-oh-ther-uh-pee] /ˌreɪ di oʊˈθɛr ə pi/ noun, Medicine/Medical. 1. treatment of disease by means of x-rays or of radioactive substances. /ˌreɪdɪəʊˈθɛrəpɪ/ noun 1. the treatment of disease, esp cancer, by means of alpha or beta particles emitted from an implanted or ingested radioisotope, or by means of a beam of high-energy radiation […]
[rey-dee-ey-tiv] /ˈreɪ diˌeɪ tɪv/ adjective 1. giving off . /ˈreɪdɪətɪv/ adjective 1. (physics) emitting or causing the emission of radiation: a radiative collision adj. “having a tendency to radiate,” 1820, from radiate (v.) + -ive. Related: Radiativity.
- Radiative zone
radiative zone (rā’dē-ə-tĭv) The layer of a star that lies just outside the core, to which radiant energy is transferred from the core in the form of photons. In this layer, photons bounce off other particles, following fairly random paths until they enter the convection zone. Despite the high speed of photons, it can take […]