ultra-violet
  紫外線
  ultraviolet
  紫外線	UV
  ultraviolet
  紫外線
  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]