English dictionary



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English noun: irradiation

1. irradiation (state) the condition of being exposed to radiation


Broader (hypernym)condition, status

2. irradiation (phenomenon) a column of light (as from a beacon)


Synonymsbeam, beam of light, light beam, ray, ray of light, shaft, shaft of light


Broader (hypernym)light, visible light, visible radiation


Narrower (hyponym)heat ray, high beam, laser beam, low beam, moon ray, moon-ray, moonbeam, sunbeam, sunray

3. irradiation (event) (physiology) the spread of sensory neural impulses in the cortex


Broader (hypernym)spread, spreading


Domain categoryphysiology

4. irradiation (cognition) the apparent enlargement of a bright object when viewed against a dark background


Broader (hypernym)illusion, semblance

5. irradiation (cognition) (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus


Broader (hypernym)generalisation, generalization, stimulus generalisation, stimulus generalization

6. irradiation (act) (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance


Synonymsactinotherapy, radiation, radiation therapy, radiotherapy


Broader (hypernym)therapy


Narrower (hyponym)Curietherapy, phototherapy, radium therapy, X-ray therapy


Domain categorymedical specialty, medicine









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