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Irradiation   Listen
noun
irradiation  n.  
1.
Act of irradiating, or state of being irradiated; as, irradiation of foods with X-rays can preserve their freshness by killing the bacteria that cause spoilage .
2.
Illumination; irradiance; brilliancy.
3.
Fig.: Mental light or illumination.
4.
(Opt.) The apparent enlargement of a bright object seen upon a dark ground, due to the fact that the portions of the retina around the image are stimulated by the intense light; as when a dark spot on a white ground appears smaller, or a white spot on a dark ground larger, than it really is, esp. when a little out of focus.






Collaborative International Dictionary of English 0.48








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"Irradiation" Quotes from Famous Books



... to the fact that there were other people present. His face had grown still whiter but upon it there was already an irradiation of joy. "Do you mean it?" he said in a low voice vibrating with some strong feeling. "Do you ...
— The Silver Butterfly • Mrs. Wilson Woodrow

... clearness. Simplicity of outline and concentration of peculiarity upon one feature are important elements of legibility. Even a letter of small size, like v, is brought into the first group by a combination of these two qualities. Serifs are necessary to prevent irradiation, or an overflowing of the white on the black, but they should be stubby; if long, they take on the character of ornament and become confusing. The letters g and a are complicated without being distinctive ...
— The Booklover and His Books • Harry Lyman Koopman

... not be mistaken in the nature of the irradiation thrown from the centre light, whose clear rays broke all the angles, all the projections of the cavern. This light proceeded from an electric source, and its white colour betrayed its origin. It was the sun of this cave, and it filled ...
— The Secret of the Island • W.H.G. Kingston (translation from Jules Verne)

... High Street with shops resumed again in good earnest and went on, and the lines of the steam-tramway that started out from before my feet, and were here shining and acutely visible with reflected skylight and here lost in a shadow, took up for one acute moment the greasy yellow irradiation of a newly lit gaslamp as they vanished round the bend. Beyond, spread a darkling marsh of homes, an infinitude of little smoking hovels, and emergent, meager churches, public-houses, board schools, and other buildings amidst the prevailing ...
— In the Days of the Comet • H. G. Wells

... glance look up, And, in a tone elaborately low Beginning, lead his voice through many a maze 555 A minuet course; and, winding up his mouth, From time to time, into an orifice Most delicate, a lurking eyelet, small, And only not invisible, again Open it out, diffusing thence a smile 560 Of rapt irradiation, exquisite. Meanwhile the Evangelists, Isaiah, Job, Moses, and he who penned, the other day, The Death of Abel, [Z] Shakespeare, and the Bard Whose genius spangled o'er a gloomy theme 565 With fancies thick as his inspiring stars, [a] And Ossian (doubt not, ...
— The Poetical Works of William Wordsworth, Vol. III • William Wordsworth



Words linked to "Irradiation" :   light, ray, physiology, moon-ray, generalisation, medicine, high beam, moon ray, spreading, actinotherapy, X-ray therapy, radiation therapy, condition, ray of light, Curietherapy, laser beam, visible light, moonbeam, sunbeam, semblance, illusion, stimulus generalization, radium therapy, light beam, heat ray, therapy, visible radiation, sunray, radiotherapy, shaft of light, shaft, low beam



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