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}]