des·ic·cant /ˈdɛsɪkənt/
  (a.)使乾燥的
  des·ic·cant /ˈdɛsɪkənt/ 形容詞
  乾燥劑,乾燥的
  De·sic·cant a.  Drying; desiccative. -- n. Med. A medicine or application for drying up a sore.
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  desiccant
       n : a substance that promotes drying (e.g., calcium oxide
           absorbs water and is used to remove moisture) [syn: drying
           agent, drier, sicative]