ultraviolet

Noun
  1. Radiation lying in the ultraviolet range;
    Wave lengths shorter than light but longer than X rays (synset 111542373)
    is a type of: actinic radiation, actinic ray - electromagnetic radiation that can produce photochemical reactions
    subtypes: sun-ray, sunray - a ray of artificial ultraviolet light from a sunray lamp
    same as: ultraviolet illumination, ultraviolet light, ultraviolet radiation, uv
Adjective
  1. Having or employing wavelengths shorter than light but longer than X-rays;
    Lying outside the visible spectrum at its violet end (synset 302528658)
    "ultraviolet radiation"; "an ultraviolet lamp"
    similar to: invisible, unseeable - impossible or nearly impossible to see; imperceptible by the eye

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