ultraviolet
noun(ul-tra-vi-o-let)
radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
Synonyms: ultraviolet illumination, ultraviolet light, ultraviolet radiation,
uv,
ultraviolet
adjective(ul-tra-vi-o-let)
having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end
Examples:
Ultraviolet radiation.
An ultraviolet lamp.