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Jyutping zi2 ngoi6 gwong1
Pinyin zǐ wài guāng

Definitions (CC-CEDICT)
  1. ultraviolet light
Definitions (粵典–words.hk)
  1. 名詞
    即​係​紫外​線
    ultraviolet light
    • 紫外光燈
      紫外光灯
      zi2 ngoi6 gwong1 dang1
      UV lamp
Definitions (Wiktionary)
  1. noun
    ultraviolet ray
    (syn.) 紫外线, 紫外線
Examples (粵典–words.hk)
  1. Cantonese
    紫外光
    紫外光
    zi2 ngoi6 gwong1
    • ultraviolet radiation
  2. Cantonese
    紫外光灯
    紫外光燈
    zi2 ngoi6 gwong1 dang1
    • UV lamp