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ultraviolet

adjective
🔊/ˌʌltrəˈvaɪələt/
🔊/ˌʌltrəˈvaɪələt/
(abbreviation UV)
[usually before noun] (physics物理)
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  1. of or using electromagnetic waves that are just shorter than those of violet light in the spectrum and that cannot be seen紫外线的；利用紫外线的
    • ultraviolet rays (= that cause the skin to go darker)紫外线
    • an ultraviolet lamp紫外线灯
    compare infraredTopics Physics and chemistryc2
    Oxford Collocations DictionaryUltraviolet is used with these nouns:
    • light
    • radiation
    • ray
    • …
    See full entry