1. a substance that promotes drying (e.g., calcium oxide absorbs water and is used to remove moisture); [syn: desiccant, drying agent, drier, siccative]
WordNet (r) 3.0 (2006):
drying agent
n 1: a substance that promotes drying (e.g., calcium oxide
absorbs water and is used to remove moisture) [syn:
desiccant, drying agent, drier, siccative]