noun
radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays (Freq. 3)
• Syn: ↑ultraviolet, ↑ultraviolet radiation, ↑ultraviolet illumination, ↑UV
• Derivationally related forms: ↑ultraviolet (for: ↑ultraviolet)
• Hypernyms: ↑actinic radiation, ↑actinic ray
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nounUseful english dictionary. 2012.