English

Definition of ultraviolet adjective from the Oxford Advanced Learner's Dictionary

 

ultraviolet

 adjective
adjective
BrE BrE//ˌʌltrəˈvaɪələt//
 
; NAmE NAmE//ˌʌltrəˈvaɪələt//
 
(abbreviation UV) [usually before noun] (physics) Energy and physical forces, The Earth and the atmosphere
 
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of or using electromagnetic waves that are just shorter than those of violet light in the spectrum and that cannot be seen ultraviolet rays (= that cause the skin to go darker) an ultraviolet lamp compare infrared See related entries: Energy and physical forces, The Earth and the atmosphere
See the Oxford Advanced American Dictionary entry: ultraviolet