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

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.

From Salon

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.

From Los Angeles Times

In particular, they let in light within the blue and red ranges -- the optimal wavelengths for photosynthesis -- but appear to block ultraviolet radiation from penetrating into their shells where it might otherwise damage their DNA.

From Science Daily

These traits make people particularly susceptible to melanoma, as their skin offers less protection against harmful ultraviolet radiation.

From Science Daily

They then exposed the removed microbes to ultraviolet radiation, completing the disinfection.

From Science Daily