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irradiation

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As a noun, irradiation means an act of irradiating, or state of being irradiated.

Meanings of irradiation

10 meanings

noun

  1. An act of irradiating, or state of being irradiated.

  2. A process of sterilization whereby radiation is passed through a bag containing food, utensils, etc., to sterilize the contents.

  3. The condition of being exposed to radiation

  4. A column of light (as from a beacon)

    Similar: beam, beam of light, light beam, ray, ray of light, shaft
  5. (physiology) the spread of sensory neural impulses in the cortex

  6. (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus

  7. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

    Similar: radiotherapy, radiation therapy, radiation, actinotherapy
Older and rare meanings (3)
  1. obsoleteIllumination; irradiance; brilliance.

  2. obsoletefigurativeMental light or illumination.

  3. obsoleteThe 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, especially when a little out of focus.

Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).

noun: a column of light (as from a beacon)
beambeam of lightlight beamrayray of lightshaftshaft of light
noun: (medicine) the treatment of disease (especially cancer) b…
radiotherapyradiation therapyradiationactinotherapy

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