irradiation

Noun

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

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

• the apparent enlargement of a bright object when viewed against a dark background

• (physiology) the spread of sensory neural impulses in the cortex

• a column of light (as from a beacon)

• the condition of being exposed to radiation

Related words

• Synonyms: 
  radiotherapy , radiation therapy , radiation , actinotherapy , beam , beam of light , light beam , ray , ray of light , shaft , shaft of light