光管 [－－]

Jyutping gwong1 gun2
Pinyin guāng guǎn

Definitions (CC-CANTO)
  1. (noun) a tube light; a fluorescent tube
Definitions (粵典–words.hk)
  1. 名詞
    長​條形​螢光​燈​嘅​俗​稱​，​原理​係​以​電力​激發​玻璃管​內氣​體產生​紫外​線​，​內​壁​嘅​磷​質​吸收​紫外​線後產生​可見光​（​量​詞​：​支​）
    fluorescent light; strip light
Definitions (Kaifangcidian)
  1. 日光燈 – 日光灯
  2. 熒光燈 – 荧光灯
  3. 日光燈管 – 日光灯管
Examples (粵典–words.hk)
  1. Cantonese
    支光管唔着㖞，系咪要换？
    支光管唔着喎，係咪要換？
    zi1 gwong1 gun2 m4 zoek6 wo3, hai6 mai6 jiu3 wun6?
    • The fluorescent tube is not lighting up, should it be replaced?
  2. Cantonese
    光管
    光管
    gwong1 gun2
    • fluorescent light
  3. Cantonese
    一支光管
    一支光管
    jat1 zi1 gwong1 gwun2
    • a fluorescent