Hypertext Webster Gateway: "hydration"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Hydration \Hy*dra"tion\, n. (Chem.)
The act of becoming, or state of being, a hydrate.
{Water of hydration} (Chem.), water chemically combined with
some substance to form a hydrate; -- distinguished from
{water of crystallization}.
From WordNet (r) 1.7 (wn)
hydration
n : the process of combining with water; usually reversible
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