WordReference Random House Unabridged Dictionary of American English © 2026
di•hy•drate
(dī hī′drāt),USA pronunciation n. [Chem.]
di•hy′drat•ed, adj.
- Chemistrya hydrate that contains two molecules of water, as potassium sulfite, K2SO3·2H2O.
- di-1 + hydrate