IRRADIATION

Definition of IRRADIATION

  1. (noun)the condition of being exposed to radiation
  2. (noun)a column of light (as from a beacon)
  3. (noun)(physiology) the spread of sensory neural impulses in the cortex
  4. (noun)the apparent enlargement of a bright object when viewed against a dark background
  5. (noun)(Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus
  6. (noun)(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance