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.
Of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye.
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"
radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end
