IRRADIATION

Definition

1. noun the condition of being exposed to radiation.
2. noun a column of light (as from a beacon). — synonyms: beam, beam_of_light, light_beam, ray, ray_of_light, shaft, shaft_of_light
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. — synonyms: radiotherapy, radiation_therapy, radiation, actinotherapy