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irradiation    音标拼音: [ɪr,edi'eʃən]
n. 发光,放射,照射

发光,放射,照射

irradiation
n 1: the condition of being exposed to radiation
2: a column of light (as from a beacon) [synonym: {beam}, {beam of
light}, {light beam}, {ray}, {ray of light}, {shaft}, {shaft
of light}, {irradiation}]
3: (physiology) the spread of sensory neural impulses in the
cortex
4: the apparent enlargement of a bright object when viewed
against a dark background
5: (Pavolvian conditioning) the elicitation of a conditioned
response by stimulation similar but not identical to the
original stimulus
6: (medicine) the treatment of disease (especially cancer) by
exposure to a radioactive substance [synonym: {radiotherapy},
{radiation therapy}, {radiation}, {actinotherapy},
{irradiation}]

irradiation \ir*ra`di*a"tion\ ([i^]r*r[=a]`d[i^]*[=a]"sh[u^]n),
n. [Cf. F. irradiation.]
[1913 Webster]
1. Act of irradiating, or state of being irradiated; as,
irradiation of foods with X-rays can preserve their
freshness by killing the bacteria that cause spoilage .
[1913 Webster PJC]

2. Illumination; irradiance; brilliancy. --Sir W. Scott.
[1913 Webster]

3. Fig.: Mental light or illumination. --Sir M. Hale.
[1913 Webster]

4. (Opt.) The apparent enlargement of a bright object seen
upon a dark ground, due to the fact that the portions of
the retina around the image are stimulated by the intense
light; as when a dark spot on a white ground appears
smaller, or a white spot on a dark ground larger, than it
really is, esp. when a little out of focus.
[1913 Webster]

85 Moby Thesaurus words for "irradiation":
X-ray dosimetry, X-ray therapy, anhydration, arc lighting,
black and white, blast-freezing, bottling, brining, canning,
chiaroscuro, cobalt therapy, contrast, corning, curietherapy,
curing, decorative lighting, dehydration, desiccation,
direct lighting, dry-curing, drying, electric lighting, emanation,
embalming, enlightenment, evaporation, festoon lighting,
floodlighting, fluorescent lighting, freeze-drying, freezing,
fuming, gaslighting, glow lighting, highlight, highlights,
illumination, incandescent lighting, indirect lighting,
interstitial irradiation therapy, irradiance, irradiancy,
irradiation therapy, isotope therapy, jerking, light,
light and shade, light source, lighting, luminous energy,
marination, mummification, overhead lighting, photosensitivity,
pickling, potting, quick-freezing, radiance, radiancy,
radiant energy, radiation, radiation therapy, radiotherapeutics,
radiotherapy, radium therapy, radiumization, ray therapy,
refrigeration, roentgen ray therapy, roentgenization,
roentgenometry, roentgenotherapy, roentgentherapy, salting,
seasoning, sidelight, smoking, spot lighting, stage lighting,
strip lighting, stuffing, taxidermy, tinning, tonality,
visible radiation


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  • Irradiation - Wikipedia
    Irradiation is the process by which an object is exposed to radiation An irradiator is a device used to expose an object to radiation, [1] most often gamma radiation, [2] for a variety of purposes
  • IRRADIATION Definition Meaning - Merriam-Webster
    The meaning of IRRADIATION is exposure to radiation (such as X-rays or alpha particles)
  • How Food Irradiation Works | Radiation and Your Health | CDC
    Food irradiation works by exposing food to ionizing electromagnetic (gamma or x-ray) radiation Food irradiation is considered a "cold" method, meaning it does not use heat to kill germs Other food safety processes that you may be more familiar with, like pasteurization and canning, use heat
  • Difference Between Radiation and Irradiation - Pediaa. Com
    Irradiation refers to the process by which an object is exposed to radiation More often, the term is used to express a deliberate exposure to radiation Ionizing radiation refers to types of radiation that can cause ionizations, as it passes through a material
  • Irradiance - Wikipedia
    In radiometry, irradiance is the radiant flux received by a surface per unit area The SI unit of irradiance is the watt per square metre (symbol W⋅m −2 or W m 2) The CGS unit erg per square centimetre per second (erg⋅cm −2 ⋅s −1) is often used in astronomy
  • What Is Irradiation? Uses, Safety, and How It Works
    Irradiation uses radiation to preserve food and sterilize medical devices Learn how it works, whether it’s safe, and how to spot irradiated food products
  • Definition of irradiation - NCI Dictionary of Cancer Terms
    irradiation (ih-RAY-dee-AY-shun) The use of high-energy radiation from x-rays, gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors
  • Total Body Irradiation: Procedure, Benefits Side Effects
    Total body irradiation is a treatment that delivers small doses of radiation to your entire body Doctors typically use this therapy to help you prepare for a bone marrow or stem cell transplant The treatment can destroy cancer cells in hard-to-reach areas or lower your risk of transplant rejection What is total body irradiation?
  • Irradiation and contamination - Using radioactive materials safely . . .
    Learn about and revise irradiation, contamination and the uses and dangers or radiation with GCSE Bitesize Physics
  • Irradiation | Nuclear Regulatory Commission - NRC
    Irradiation may be intentional, such as in cancer treatments or in sterilizing medical instruments Irradiation may also be accidental, such as from exposure to an unshielded source





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