ultraviolet radiation


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ultraviolet radiation

Electromagnetic radiation that has a wavelength between that of visible light and that of X-rays.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ultraviolet radiation - radiation lying in the ultraviolet rangeultraviolet radiation - radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
actinic radiation, actinic ray - electromagnetic radiation that can produce photochemical reactions
sun-ray, sunray - a ray of artificial ultraviolet light from a sunray lamp
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
What kind of ultraviolet radiation is the worst for our skin?
But even if you don't get a sunburn, ultraviolet radiation causes changes in skin DNA that can lead to cancer, Huang said.
This type of melanoma occurs after exposure of the skin to too much ultraviolet radiation from the sun.
Ultraviolet radiation causes photoaging and skin cancer because of how it impacts your DNA.
Exposure to this type of ultraviolet radiation is largely preventable by reducing one's sun exposure, wearing protective clothing and sunscreen while in the sun, and avoiding indoor tanning," he said.
While lower-energy ultraviolet radiation breaks up water molecules -- a process called photodissociation -- ultraviolet rays with more energy (XUV radiation) and X-rays heat the upper atmosphere of a planet, which allows the products of photodissociation, hydrogen and oxygen, to escape.
Ultraviolet radiation can damage the skin in a number of ways such as sunburn, actinic keratosis, actinic elastosis, actinic cheilitis, triradiaite scars, senile comedones, purpura, poikiloderma and skin cancer.
In a regular incandescent lamp the soft glass envelope absorbs almost all of this ultraviolet radiation.
Many of the stars within the galaxy are large with a lifespan of a few million years, notes the press release, which makes studying the ultraviolet radiation extremely important.
Sunburn indicates too much exposure to ultraviolet radiation.
A team from Lehigh University studied the relationship of depth, temperature, and solar ultraviolet radiation (UVR) on perch spawning in two lakes in Pennsylvania.*

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