IRRADIATION • E-FREE TRANSLATION.COM • 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

... judgment, by extending our knowledge, by a steady attention to our object, and by frequent exercise. They who have not taken these methods, if their taste decides quickly, it is always uncertainly; and their quickness is owing to their presumption and rashness, and not to any sudden irradiation, that in a moment dispels all darkness from their minds. But they who have cultivated that species of knowledge which makes the object of taste, by degrees and habitually attain not only a soundness but a readiness of judgment, as men do by the same methods on all ...

— The Works of the Right Honourable Edmund Burke, Vol. I. (of 12) • Edmund Burke

... sight and that of hearing, and the survival, it is said, from a distant period of humanity, when this state must have been the rule; anatomically, the result of supposed anastamoses between the cerebral centers for visual and auditory sensations; physiologically, the result of nervous irradiation; psychologically, the result of association. This latter hypothesis seems to account for the greater number of instances, if not for all; but, as Flournoy has observed, it is a matter of "affective" imagination. Two sensations absolutely unlike (for instance, the color blue and the ...

— Essay on the Creative Imagination • Th. Ribot

... quod cornuta esset facies sua, for what our version has translated "he wist not that the skin of his face shone." The Hebrew word used means both a "horn" and an "irradiation." Michael ...

— Character Sketches of Romance, Fiction and the Drama - A Revised American Edition of the Reader's Handbook, Vol. 3 • E. Cobham Brewer

... acute psychiatrist Meynert shows[1] how physiognomics depends on irradiation and parallel images. He shows what a large amount of material having physiognomical contents we keep in mind. Completely valueless as are the fixed forms by which mankind judges the voluntary acts of its individual members, they point to the universal conclusion that it ...

— Robin Hood • J. Walker McSpadden

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