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Adjective(1) having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end(2) having or employing wavelengths shorter than light but longer than X-rays(3) lying outside the visible spectrum at its violet end
Noun(1) radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays(2) radiation lying in the ultraviolet range(3) wave lengths shorter than light but longer than X rays

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(1) This is one of the few big instruments that will be good in the ultraviolet .(2) Broad-spectrum ultraviolet radiation from the sun or artificial light sources was added as a known carcinogen.(3) Last summer Japanese inventors unveiled a tiny ultraviolet light sensor for cell phone users concerned about sunburn.(4) Long ultraviolet would get down to the earth if there were no ozone.(5) The functional significance of vertebrate ultraviolet vision has been the focus of an increasing number of research studies over the last decade.(6) With final ultraviolet light treatment, the effluent has been treated for everything but viruses.(7) It is true that ultraviolet light causes mutations in all living organisms.(8) Disinfecting by ozonization or ultraviolet light methods are replacing chlorine in some water treatment plants, but are not yet readily available for home use.(9) The white crystals fluoresce blue-white in longwave ultraviolet radiation while the yellowish crystals fluoresce lemon-yellow.(10) Community Beat Officer Tracy Finn said police had devised an ultraviolet marking scheme to tackle the problem, but they need more people to come forward and pick up the pens to make it a success.(11) The ultraviolet flash from the supernova explosion, which we first saw 18 years ago, ionized the ring and causes it to glow.(12) Sand on beaches, concrete pavements and snow also reflect up to 40% of the harmful ultraviolet rays.(13) Taylor advised students u251cu00f6u251cu00e7u251cu2510to help the police and yourself and keep all laptops and computers out of sight, and have valuables marked with ultraviolet pens to help us trace stolen property.u251cu00f6u251cu00e7u251cu00fb(14) Finally, the Ultraviolet Imaging Spectrograph, or UVIS, studies wavelengths shorter than humans can see, out to the far ultraviolet .(15) The flower on the right was photographed in normal light, the one on the left in ultraviolet (he goes into the technique in some detail).(16) The escalating cost of these tools for conventional optical and extreme ultraviolet lithography is driven in part by the need for complex optical sources and optics.