drying agent

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a substance that promotes drying (e.g., calcium oxide absorbs water and is used to remove moisture) (Freq. 1)
• Syn:
desiccant, drier, siccative
• Derivationally related forms:
dry (for: drier), desiccate (for: desiccant)
• Hypernyms:
chemical agent