n. [ L. hiematio. ] 1. The passing of a winter in a particular place; a wintering. [ 1913 Webster ]
2. The act of affording shelter in winter. [ Obs. ] [ 1913 Webster ]
n. (Chem.) The act of becoming, or state of being, a hydrate. [ 1913 Webster ]
Water of hydration (Chem.), water chemically combined with some substance to form a hydrate; -- distinguished from water of crystallization. [ 1913 Webster ]