[-]

Jyutping on1 gan1
Pinyin ān gēn

Definitions (Wiktionary)
  1. noun
    ammonium
    (syn.) 銨, 錏, 铔, 铵

[-]

Jyutping on1 gan1
Pinyin ǎn gēn

Definitions (Wiktionary)
  1. noun
    ammonium
    (syn.) 銨, 錏, 铔, 铵