還原劑 [还－剂]

Jyutping waan4 jyun4 zai1
Pinyin huán yuán jì

Definitions (CC-CEDICT)
  1. reducing agent
Definitions (粵典–words.hk)
  1. 名詞
    化學​反應​入面​，​令物質​獲得電​子​嘅​化​學​物​質
    reducing agent
Definitions (Wiktionary)
  1. noun
    reductant; reducing agent