a. [ Gr. &unr_; wanting water; 'an priv. + "y`dwr water.] Destitute of water; as, anhydrous salts or acids. [1913 Webster]
a. [ Gr. &unr_;; &unr_; in + &unr_; water. ] Having water within; containing fluid drops; -- said of certain crystals. [ 1913 Webster ]
a. [ Gr. "y`dwr water.] 1. Containing water; watery. [1913 Webster]
2. (Chem.) Containing water of hydration or crystallization. [1913 Webster]