Synonym: actinotherapy, irradiation, radiation sickness, radiation syndrome, radiation therapy, radioactivity, radiotherapy. Similar words: tradition, traditional, traditionally, variation, graduation, negotiation, association, appreciation. Meaning: [‚reɪdɪ'eɪʃn] 
n. 1. energy that is radiated or transmitted in the form of rays or waves or particles 2. the act of spreading outward from a central source 3. 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 4. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay 5. the spread of a group of organisms into new habitats 6. a radial arrangement of nerve fibers connecting different parts of the brain 7. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance.
n. 1. energy that is radiated or transmitted in the form of rays or waves or particles 2. the act of spreading outward from a central source 3. 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 4. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay 5. the spread of a group of organisms into new habitats 6. a radial arrangement of nerve fibers connecting different parts of the brain 7. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance. 
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151. Only exceptionally cloudy, boggy areas might survive the intense heat radiation from the reentering debris.
152. Thorough revision of laboratory routines could substantially reduce radiation doses received.
153. They did not cause any radiation leaks and posed no danger to the environment.
154. For some, the visit is a welcome break from medical treatment they're receiving for radiation sickness.
155. Another very important factor is long-term exposure to solar and cosmic particulate radiation.
156. The person often describes previous episodes of low back pain with or without lower extremity radiation.
157. An osteopath whom he consulted recommended that he continue the radiation and in addition prescribed a number of sessions of osteopathic manipulation.
158. In some places they even say that small amounts of radiation make you healthier.
159. This result is the first, albeit indirect, observation of gravitational radiation.
160. The isotopes give off long-lasting alpha radiation and the waste will remain dangerous for 3000 years or more.
161. Light is produced primarily by the phosphor coating converting short-wave radiation to visible light.
162. Local doses are often underestimated and plexiglass shielding converts some energy into penetrating gamma radiation.
163. This luminescence is measured and is directly proportional to the number of trapped electrons, and thus to the total radiation dose.
164. Read in studio Scientists monitoring the level of solar radiation have warned people not to sunbathe without protection for more than forty minutes.
165. All the clothes that were affected by radiation had to be incinerated.
166. Methane is a potent greenhouse gas, each molecule trapping 25 times as much heat radiation as one molecule of carbon dioxide.
167. It's not just industrial pollution and radiation from Chernobyl, 50 miles upstream.
168. The rise in eicosanoid inflammatory mediators may have an important role in the pathophysiology of the early radiation bowel reaction.
169. If the lung is expanding, the radiation bouncing off it is pushed closer together, slightly raising its frequency.sentencedict.com
170. At that time another course of radiation was given and they again disappeared.
171. Supervised clinical training is provided in cytotoxic drug treatment and radiation therapy.
172. The radiation emitted by these isotopes consists of alpha particles, beta particles, and gamma rays.
173. The quick, new, high-dose radiation Brachytherapy for cancer patients is also performed at the hospital.
174. The economic consequences for food crops and other plants of the resulting increase in ultraviolet radiation have received less attention.
175. They used two spectrometers to analyse gamma radiation given off by the blanket.
176. There is some residual radiation, indicating that atomic weapons were in use approximately five thousand years ago.
177. Radiation in the optical range and at radio frequencies can be detected either locally or at Earth stations.
178. Physicists are searching for one all-embracing theory that covers matter, energy, radiation, and gravity.
179. The ionization is produced by solar uv radiation and by energetic ions and electrons from the magnetosphere.
180. This is the technique which detects stored energy in the crystal lattice of minerals, caused by natural radiation.
More similar words: tradition, traditional, traditionally, variation, graduation, negotiation, association, appreciation, renunciation, nation, equation, formation, operation, national, relation, location, education, donation, zonation, isolation, summation, sensation, violation, allegation, situation, inflation, migration, educational, revelation, evaluation.