IRRADIATION • FREE TRANSLATOR.ORG • Definition of Irradiation

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/ɪrˌeɪdiˈeɪʃən/ Listen

Irradiation

noun

The condition of being exposed to radiation.

A column of light (as from a beacon). Synonyms: beam, beam of light, light beam, ray, ray of light, shaft, shaft of light.

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

The apparent enlargement of a bright object when viewed against a dark background.

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

(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance. Synonyms: actinotherapy, radiation, radiation therapy, radiotherapy.

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Etymology of 'Irradiation'

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"Irradiation" Quotes from Famous Books

... and anticipated many years Brewster's theory. Hopkinson wrote well on the experiment made by looking at a street lamp through a slight texture of silk. Joscelyn, of New York, investigated the causes of the irradiation manifested by luminous bodies, as for instance the stars. Of late, photographic experiments have occupied much attention, and Draper has advanced the bold idea, supported by experiment, that the agent in the so-called photography, is not light, nor heat, but an ...

— Continental Monthly , Vol. 6, No. 1, July, 1864 - Devoted to Literature and National Policy. • Various

... commission established the thesis that gamma rays had been given out at the time of the explosion, following which the internal organs had been injured in a manner resembling that consequent upon Roentgen irradiation. This produces a diminution in the ...

— The Atomic Bombings of Hiroshima and Nagasaki • United States