irradiation

Noun

the condition of being exposed to radiation

Noun

a column of light (as from a beacon)

Noun

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

Noun

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

Noun

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

Noun

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