To remove the moisture from something, typically to preserve it; to make completely dry.
From Latin 'desiccare,' from 'de-' (completely) + 'siccare' (to dry), from 'siccus' (dry). Related to words like 'desiccant,' a substance that absorbs moisture.
Think of desiccated coconut - all the moisture has been removed to preserve it. The word literally means 'to make completely dry,' like desert conditions.
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