sensitizer
  感光劑
  sen·si·tiz·er /-ɚ/ 名詞
  致敏物質,致敏物,抗體,致敏劑,敏化劑,增感劑,感光劑,激活劑
  sensitizer
  敏化劑; 致敏物質
  Sen·si·ti·zer n. Photog. An agent that sensitizes.
     The sensitizer should be poured on the middle of the sheet.   --Wilis & Clements (The Platinotype).
  ◄ ►
  sensitizer
       n : (chemistry) a substance other than a catalyst that
           facilitates the start of a catalytic reaction [syn: sensitiser]