Synonyms: ultraviolet, ultraviolet illumination, ultraviolet light, ultraviolet radiation, UV
Definition: radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
Similar words: actinic radiation, actinic ray
Definition: electromagnetic radiation that can produce photochemical reactions
Synonyms: ultraviolet
Definition: having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end
Usage: ultraviolet radiation; an ultraviolet lamp
Similar words: unseeable, invisible
Definition: impossible or nearly impossible to see; imperceptible by the eye
Usage: the invisible man; invisible rays; an invisible hinge; invisible mending