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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91. The snow may crust at night, due to outward radiation, even thought the air temperature remains well above freezing point.
92. Thermoluminescence dating and environmental radiation monitoring is also pursued within the nuclear physics group.
93. Sometimes, during lonely hours on the control deck, Bowman would listen to this radiation.
94. He said credit was due to the contribution of workers on the joint committees which look at ways of reducing radiation exposure.
95. The defence ministry refused to release his body to his family for a postmortem examination and radiation testing.
96. If something goes awry, more than five billion people would be exposed to dangerous levels of radiation.
97. Is its growth due to a lack of discipline, or to pollution, radiation, junk food, etc?
98. For instance, members can now receive radiation oncology, eye surgery, and emergency cardiac care from Summit Medical Center.
99. In particular, why is the temperature of the microwave background radiation so nearly the same when we look in different directions?
100. However, high doses of radiation that damage cells usually produce effects that can be related specifically to the radiation exposure.
101. Those early genera that survived had a built-in immunity to ultraviolet radiation, thus helping in the struggle for continued survival.
102. The sensing element of a scintillation counter is a fluor, a substance capable of converting radiation energy to light energy.
103. Wehave shown for the first time that small intestinal and whole gut transit is faster in patients with chronic radiation enteritis.
104. High levels of radiation have been reported near the nuclear plant.
105. The likely deaths from cancer caused by radiation are still small: 0.1% extra cancers among those affected in 40 years.
106. Capital cost is nearly ￡7 for every watt of electrical energy to be produced by solar radiation.
107. Measures are usually taken to shield the investigator from environmental radiation rather than to prevent the radiation escaping from the source.
108. The idea, in both the military and medical applications, is to use gamma rays to search for signs of radiation.
109. To extend the parallel,(www.Sentencedict.com) the impact of the comet would also have released large quantities of hard radiation.
110. Souquet etal also emphasised the difficulty in interpreting parietal thickening in patients evaluated after radiation therapy.
111. The doctors suspected that his ability to absorb ascorbic acid had been impaired by long exposure to cosmic radiation.
112. When all other methods have failed, the patient is blasted with radiation and chemotherapy so caustic that 10 percent die.
113. Chronic radiation enteritis is now recognised as a frequent and clinically important sequel of abdominal and pelvic irradiation treatment for malignant disease.
114. She took Oxfordshire Health Authority to court, claiming excessive doses of radiation had crippled her.
115. Below a certain critical frequency no electrons were ejected, however intense the radiation.
116. In effect, they convert the energy of the electromagnetic radiation into chemical energy.
117. Because those organs are moving, the frequency of the reflected radiation is Doppler shifted by a tiny amount.
118. Persinger has suggested that these reports might be hallucinations instilled into the witnesses by the effect of ionising radiation in close proximity.
119. On a practical point I noticed that the colours weren't as bright on the low radiation monitors that I used.
120. Consequently in a static diamond there are no charged atoms to interact with the electric field of infrared 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.