'Hydrate' definitions:

Definition of 'hydrate'

(from WordNet)
noun
Any compound that contains water of crystallization
verb
Supply water or liquid to in order to maintain a healthy balance; "the bicyclists must be hydrated frequently"
verb
Become hydrated and combine with water
verb
Cause to be hydrated; add water or moisture to; "hydrate your skin" [ant: dehydrate, desiccate, dry up, exsiccate]

Definition of 'Hydrate'

From: GCIDE
  • Hydrate \Hy"drate\, n. [Gr. "y`dwr water: cf. F. hydrate.] (Chem.) (a) A compound formed by the union of water with some other substance, generally forming a neutral body, as certain crystallized salts. (b) A substance which does not contain water as such, but has its constituents (hydrogen, oxygen, hydroxyl) so arranged that water may be eliminated; hence, a derivative of, or compound with, hydroxyl; hydroxide; as, ethyl hydrate, or common alcohol; calcium hydrate, or slaked lime. [1913 Webster]

Definition of 'Hydrate'

From: GCIDE
  • Hydrate \Hy"drate\, v. t. [imp. & p. p. Hydrated; p. pr. & vb. n. Hydrating.] To form into a hydrate; to combine with water. [1913 Webster]

Synonyms of 'hydrate'

From: Moby Thesaurus