SG Heritage Dictionary

Hydrate [Noun] Webster's Dictionary 1828

1. In chimistry, a compound, indefinite proportions, of a metallic oxyd with water.

2. A hydrate is a substance which has formed so intimate a union with water as to solidify it, and render it a component part.

3. Slaked lime is a hydrate of lime.

Hydrate [Noun] Webster's Dictionary 1913

1. A compound formed by the union of water with some other substance, generally forming a neutral body, as certain crystallized salts.

2. 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.

Hydrate [Verb transitive] Webster's Dictionary 1913

To form into a hydrate; to combine with water.

Hydrated [Adjective] Webster's Dictionary 1913

Formed into a hydrate; combined with water.

Hydrated [Imperfect tense and past participle] Webster's Dictionary 1913

of Hydrate