hydrate

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hy·drate / ˈhīˌdrāt/ • n. Chem. a compound, typically a crystalline one, in which water molecules are chemically bound to another compound or an element.• v. [tr.] cause to absorb water. ∎ Chem. combine chemically with water molecules: [as adj.] (hydrated) hydrated silicate crystals. DERIVATIVES: hy·drat·a·ble adj.hy·dra·tion / hīˈdrāshən/ n.hy·dra·tor / -tər/ n.

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