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.
(pathol) illness caused by overexposure of the body or a part of the body to ionizing radiations from radioactive material or X-rays. It is characterized by vomiting, diarrhoea, and in severe cases by sterility and cancer
See radiation poisoning
radiation sickness n.
Illness induced by ionizing radiation, ranging in severity from nausea, vomiting, headache, and diarrhea to loss of hair and teeth, reduction in red and white blood cell counts, extensive hemorrhaging, sterility, and death.
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 […]
noun, Physics. 1. the capture of a particle, as a neutron, by a nucleus, inducing the emission of electromagnetic radiation, as a gamma ray.