1. Drying; causing or promoting dryness. SYN: desiccative. 2. An agent that absorbs moisture; a drying agent. SYN: desiccator (1). SYN: exsiccant. [L. de-sicco, pp. -siccatus, to dry up]
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des·ic·cant 'des-i-kənt adj tending to dry or desiccate
desiccant n a drying agent (as calcium chloride)
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des·ic·cant (desґĭ-kənt) 1. promoting dryness; causing to dry up. 2. an agent that promotes dryness. Called also exsiccant.Medical dictionary. 2011.