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irradiation

[ih-rey-dee-ey-shuh n] /ɪˌreɪ diˈeɪ ʃən/
noun
1.
the act of irradiating.
2.
the state of being irradiated.
3.
intellectual or spiritual enlightenment.
4.
a ray of light; beam.
5.
Optics. the apparent enlargement of an object when seen against a dark background.
6.
the use of x-rays or other forms of radiation for the treatment of disease, the making of x-ray photographs, the manufacture of vitamin D, etc.
7.
exposure or the process of exposure to x-rays or other radiation.
8.
Physics. irradiance.
Origin
1580-1590
1580-90; < Late Latin irradiātiōn- (stem of irradiātiō). See ir-1, radiation
Related forms
postirradiation, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for irradiation
  • But however crude and destructive the decontamination process, it has proved effective: irradiation does indeed destroy anthrax.
  • The others mated with beetles rendered sterile by irradiation.
  • But also have in mind that electricity prices can be much higher also, so it compensates for the lower irradiation.
  • irradiation works, but raises feasibility and other concerns.
  • Ultraviolet irradiation, which is being used in combination with formalin by one vaccine manufacturer, deserves further study.
  • Meteoroids in space are constantly irradiated and that irradiation ceases when the meteoroid falls to ground.
  • irradiation is a stressor that also could increase the mutation rate, hence not as satisfactory.
  • Cancer patients were exposed to total body irradiation under the guise of treatment.
  • Agriculture needs to develop an irradiation method for sterilizing packaged and processed meats and vegetables.
  • However, the same people who are so frightened of nuclear power are preventing irradiation of food.
British Dictionary definitions for irradiation

irradiation

/ɪˌreɪdɪˈeɪʃən/
noun
1.
the act or process of irradiating or the state of being irradiated
2.
the apparent enlargement of a brightly lit object when it is viewed against a dark background
3.
a shaft of light; beam or ray
4.
(med)
  1. the therapeutic or diagnostic use of radiation, esp X-rays
  2. exposure of a patient to such radiation
5.
another name for radiation, irradiance
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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irradiation in Medicine

irradiation ir·ra·di·a·tion (ĭ-rā'dē-ā'shən)
n.

  1. Exposure or subjection to the action of radiation for diagnostic or therapeutic purposes.

  2. Medical treatment by exposure to radiation.

  3. The spread of a nervous impulse beyond the usual path of conduction.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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