irradiation | ||
1. | [ noun ] the apparent enlargement of a bright object when viewed against a dark background | |
Related terms: | illusion | |
2. | [ noun ] (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus | |
Related terms: | generalisation | |
3. | [ noun ] (physiology) the spread of sensory neural impulses in the cortex | |
Related terms: | spread physiology | |
4. | [ noun ] (physics) a column of light (as from a beacon) | |
Synonyms: | ray beam light_beam shaft_of_light ray_of_light shaft beam_of_light | |
Related terms: | light sunbeam heat_ray laser_beam moonbeam low_beam high_beam irradiate | |
5. | [ noun ] the condition of being exposed to radiation | |
Related terms: | condition irradiate | |
6. | [ noun ] (medicine) the treatment of disease (especially cancer) by exposure to radiation from a radioactive substance | |
Synonyms: | radiation_therapy actinotherapy radiation radiotherapy | |
Related terms: | therapy radium_therapy X-ray_therapy phototherapy medicine | |
Similar spelling: |
irradiate irritation |