防凍 [－冻]

Jyutping fong4 dung3
Pinyin fáng dòng

Definitions (CC-CEDICT)
  1. antifreeze
Definitions (Wiktionary)
  1. verb, attributive, usually
    to prevent frostbite or freezing; to be antifreeze
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）