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Jyutping zing3 lei4 zi2
Pinyin zhèng lí zǐ

Definitions (CC-CEDICT)
  1. positive ion
  2. cation (physics)
Definitions (Wiktionary)
  1. noun
    cation; positive ion
    (syn.) 陽離子, 阳离子
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)