decahydrate: Meaning and Definition of

dec•a•hy•drate

Pronunciation: (dek"u-hī'drit, -drāt), [key]
— n. Chem.
  1. a hydrate that contains ten molecules of water, as washing soda, NaCO&multiplydot;10HO.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.