retarder / rɪˈtɑr dər /

⚽高中词汇缓速器缓凝剂缓释器延缓器

retarder 的定义

n. 名词 noun
  1. a person or thing that retards.
  2. Chemistry. any substance added to rubber to delay or prevent vulcanization.any substance added to delay a process.
  3. Building Trades. an admixture of concrete or plaster that retards its set.