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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241. Whereas, gas fired panel heating takes advantage of radiation heat transfer in such space.
242. The low frequency radiation of common mode current is proportional to area enclosed by current.
243. Ultraviolet radiation from the hot star powers the nebular glow.
244. The 67-year-old radiation oncologist was narrowly elected last year in a district that includes Huntsville and Decatur.
245. In a study published in the January Journal of Vertebrate Paleontology researchers examined a Eupodophis descouensi fossil using synchrotron radiation computed laminography (SRCL).
246. And these greenhouse gases perturb the radiation balance of climate.
247. In the United States, the Armed Forces Radiobiology Research Institute is looking for more-effective treatments for radiation exposure.
248. Radiation is feared to have leaked after a container vessel suffered damage at the No. 2 reactor of Fukushima No. 1 nuclear power plant on Tuesday morning, Kyodo reported.
249. In addition, solar flare radiation will be fatal, in a matter of hours to days, to anyone in space who is not protected by adequate shielding.
250. Higher - energy radiation is used for intentional selective destruction of tissue, such as cancerous tumors.
251. The rest reaches the planet's su again as a type of slow - moving energy called infrared radiation.
252. The results indicate that the vibration of thin flat plane loudspeaker with four corners fixed is anomalistic and the vibration radiation at far sound field doesn't have any directionality.
253. It is demonstrated that this novel electrically small antenna has extremely high radiation efficiency.
254. A new theory, named the Resonance Radiation Theory (RRT)(sentencedict.com), is presented in order to deeper understalldingthe mechanisms of sound radiation by submerged structure.
255. With the ever - increasing climate in the earth, solar radiation influences people's daily life more and more.
256. Objective To observe the dose-rate effects of adaptive response of thymocyte DNA lysis induced by low dose radiation.
257. This paper presents a new method of regenerating activated carbon with toluene by microwave radiation.
258. A portable and reliable neutron radiation protective tool is proposed.
259. A radiologic technologist, also known as medical radiation technologist and as radiographer,(sentencedict.com/radiation.html) performs imaging of the human body for diagnosis or treating medical problems.
260. Asas the contracting cloud becomes opaque to its own infrared radiation, its luminosity will drop abruptly.
261. The results for element input impedance , radiation efficiency of space wave, directivity and radiation pattern are presented.
262. The radiation ablation experiments of CH foils are simulated using the experiment radiation flow in the hohlraum by 1D radiation transfer code RDMG.
263. Radiation instantly polymerize the vehicle to a dry, tough thermosetting resin.
264. The high energy radiation mechanism research of active galactic nuclei is a key to understanding their structure, evolution features and origin of central drive.
265. Objective To investigate the prophylactic effects of asiaticoside ointment on skin the 320 nm UVB radiation.
266. Adjuvant radiation therapy and chemotherapy did not affect survival rates.
267. The condition that meets the linear superposition is discussed. The Amendment technique of the lens antenna structures is improved utilizing the simulated radiation pattern.
268. Pyroelectric material can bring polarization with the variable temperature caused by infrared radiation.
269. The system employs multiple detectors, each comprising an antenna coup LED with a device ( a bolometer) for measuring the energy of incident electromagnetic radiation.
270. The theory of the big bang gained widespread support in the scientific community after Arno Penzias and Robert Wilson discovered cosmic microwave background radiation in 1965.
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.