ultraviolet radiation

1. Radiation in the part of the electromagnetic spectrum where wavelengths are just shorter than those of ordinary, visible violet light but longer than those of x-rays.

Like infrared radiation, ultraviolet radiation can be detected with special instruments or films. Sunburn is caused by ultraviolet radiation. The ozone layer of the atmosphere of the Earth blocks most of the potentially harmful ultraviolet radiation.

Example Sentences

Yet even after adjusting for ultraviolet radiation levels in Pennsylvania and considering socioeconomic factors, two consistent associations emerged.

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Chris and colleagues propose that this difference allows ultraviolet radiation to push material more efficiently, generating the much faster winds seen near supermassive black holes.

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If Mars once had an ozone layer shielding its surface from ultraviolet radiation, that protective barrier could have made it far more hospitable to life billions of years ago.

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The Skin Cancer Foundation says BCC most commonly occurs when extended exposure to ultraviolet radiation, from the sun or tanning beds, causes DNA damage and uncontrollable growth of basal cells.

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The World Health Organization’s International Agency for Research on Cancer says alcohol is a Group 1 carcinogen, putting it in the company of tobacco, asbestos and ultraviolet radiation.

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