hexahydrate: Meaning and Definition of

hex•a•hy•drate

Pronunciation: (hek"su-hī'drāt), [key]
— n.
  1. a hydrate that contains six molecules of water, as magnesium chloride, MgCl&multiplydot;6HO.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.