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Noun irradiation has 6 senses
  1. irradiation - the condition of being exposed to radiation
    --1 is a kind of
    condition, status
    Derived form: verb irradiate3
  2. beam, beam of light, light beam, ray, ray of light, shaft, shaft of light, irradiation - a column of light (as from a beacon)
    --2 is a kind of light, visible light, visible radiation
    --2 has particulars:
     heat ray; high beam; moonbeam, moon ray, moon-ray; sunbeam, sunray; laser beam; low beam
    Derived form: verb irradiate2
  3. irradiation - (physiology) the spread of sensory neural impulses in the cortex
    --3 is a kind of
    spread, spreading
  4. irradiation - the apparent enlargement of a bright object when viewed against a dark background
    --4 is a kind of
    illusion, semblance
  5. irradiation - (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus
    --5 is a kind of
    generalization, generalisation, stimulus generalization, stimulus generalisation
  6. radiotherapy, radiation therapy, radiation, actinotherapy, irradiation - (medicine) the treatment of disease (especially cancer) by exposure to radiation from a radioactive substance
    --6 is a kind of therapy
    --6 has particulars: phototherapy; radium therapy, Curietherapy; X-ray therapy
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