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ultraviolet |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Ultraviolet \Ul`tra*vi"o*let\, a. [Pref. ultra- + violet.] (Physics) Lying outside the visible spectrum at its violet end -- said of rays more refrangible than the extreme violet rays of the spectrum. From WordNet r 1.6 [wn]: ultraviolet adj : having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end "ultraviolet radiation"; "an ultraviolet lamp" n : radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays [syn: {ultraviolet radiation}, {ultraviolet light}, {ultraviolet illumination}, {UV}]
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