IRRADIATION

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

  synonyms : actinotherapy , radiation , radiation therapy , radiotherapy

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

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

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

• (noun) a column of light (as from a beacon)

  synonyms : beam , beam of light , light beam , ray , ray of light , shaft , shaft of light

• (noun) the condition of being exposed to radiation

WordNet® 3.0, © 2006 by Princeton University.

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