rehydrate

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re·hy·drate / rēˈhīˌdrāt/ • v. absorb or cause to absorb moisture after dehydration: [tr.] the slides were rehydrated in water. DERIVATIVES: re·hy·drat·a·ble adj.re·hy·dra·tion / ˌrēˌhīˈdrāshən/ n.