MetaGlossary.com: Ultraviolet Rays

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Keywords: Invisible, Spectrum, Ray, Partly, Sunlight

Related Terms: Infrared, Fluorescence, Infra-Red, Infrared Radiation, Irradiate, Light, Photoluminescence, Radiometry, Ultraviolet, Visible, X Ray, X-Ray, Emission Spectrum, Ultraviolet Light, Line Spectrum, Uva, Uvb, Uvc, Absorption Line, Absorption Spectrum, Visible Radiation, Uv-B, Far Infrared, Ultraviolet Radiation, Visible Spectrum, X-Rays, Electromagnetic Spectrum, Uva Radiation, Uvb Radiation, Continuous Spectrum, Visible Light, Infrared Light, Spectral Band, Infrared Telescope, Infrared Film, Near Infrared, Thermal Infrared, Infrared Spectroscopy, Action Spectrum, Continuum , Uv Radiation, Atmospheric Window, Shortwave Radiation, Solar Spectrum, Ultra-Violet, Black Body Radiation, Stokes Shift, Ultra Violet, Tanning Bed, Optical Radiation

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Energy waves that emanate from the electrodes and the welding flames of such a frequency that these rays are in the ultraviolet ray light spectrum.

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An invisible form of radiation found in sunlight that can change and damage skin cells.

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rays of light (often referred to as "UV" rays) that are beyond the purple range of colors that people can see..... return

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Invisible rays from sunlight and lamps; potentially harmful to eyes, especially related to the development of cataracts.

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The invisible part of the light spectrum whose rays have wavelengths shorter than the violet end of the visible spectrum and longer than X-rays. UVA and UVB light are harmful to your eyes and skin. UVC are blocked in the upper atmosphere and almost never reach the earth.

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MS = That portion of the electromagnetic spectrum immediately below the visible range and extending into the x-ray frequencies. The longer wavelengths (near-UV or biotic or vital rays) are necessary for the endogenous synthesis of vitamin D and are also called antirachitic rays; the shorter, ionizing wavelengths (far-UV or abiotic or extravital rays) are viricidal, bactericidal, mutagenic, and carcinogenic and are used as disinfectants. AN = non-ionizing but short-wave UV is ionizing; black light goes here or under INFRARED RAYS depending on text but unspecified, index here UI = D014466

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Radiation from the sun that can be useful or potentially harmful. UV rays from one part of the spectrum (UV-A) enhance plant life and are useful in some medical and dental procedures; UV rays from other parts of the spectrum (UV-B) can cause skin cancer or other tissue damage. The ozone layer in the atmosphere partly shields us from ultraviolet rays reaching the earth's surface.

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Compare? Radiation from the sun in the invisible portion of the spectrum. Some UV rays (UV-A) enhance plant life and are useful in certain medical and dental procedures. Other UV rays (UV-B) can cause skin cancer or other tissue damage. The ozone layer in the atmosphere partly shields us from ultraviolet rays reaching the earth's surface.

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The range of invisible radiation wavelengths on the border of the x-ray region, to just beyond the violet in the visible spectrum. It is from 4 nanometers to 380 nanometers in the spectrum.

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Radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays, and are invisible to the naked eye.

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