[--]

Jyutping gwai1 tung4
Pinyin guī tóng

Definitions (Wiktionary)
  1. noun, Mainland-China
    silicone
    (syn.) 矽酮

硅酮 [--]

Jyutping
Pinyin guī tóng

Definitions (CC-CEDICT)
  1. silicone