[-]

Jyutping gam1 gong1 zyun3
Pinyin jīn gāng zuàn

Definitions (Wiktionary)
  1. noun
    diamond (mineral)
    (syn.) 金剛璇, 金剛石, 金刚璇, 金刚石
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)