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desiccation (n.)

early 15c., desiccacioun, "a drying out," from Late Latin desiccationem (nominative desiccatio), noun of action from past-participle stem of Latin desiccare "to make very dry," from de- "thoroughly" (see de-) + siccare "to dry" (see siccative). From 1540s as "act of making dry; state of being dry."