Dictionary.net

supply water or liquid to in order to maintain a healthy balance; "the bicyclists must be hydrated frequently"

become hydrated and combine with water

supply water or liquid to in order to maintain a healthy balance; "the bicyclists must be hydrated frequently"

become hydrated and combine with water

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

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.

To form into a hydrate; to combine with water.

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

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.

To form into a hydrate; to combine with water.

A chemical compound containing a definite quantity of water.

To combine with water to form this compound.

A water compound in which an atom of hydrogen is replaced by a metal.

Compound of hydroxyl with a radical.

A salt or other compound which contains water.

Originally, a compound of an element or radicle with water. The term is still used in this sense in speaking of crystalline substances in which water (water of crystallization) forms a part of the chemical or physical organization.

In the usual sense of the term, a compound of a metal or radicle with hydroxyl (OH). [Gr.]

Containing hydroxyl (OH); forming a hydrate (hydroxid), or combined with a hydrate (e. g., h. iron oxid).