Hydrate definitions

hī'drāt'
A compound formed by the chemical combination of water and some other substance in a definite molecular ratio.

Plaster of Paris, 2CaSO4H2O, is a hydrate.

noun
48
2
To become or cause to become a hydrate.
verb
44
1
To combine with water.
verb
41
0
A solid compound containing water molecules combined in a definite ratio as an integral part of the crystal. Often used in combination.

Pentahydrate.

noun
41
1
To rehydrate.
verb
38
1
To moisturize (the skin)
verb
38
1
To supply water to (a person, for example) in order to restore or maintain fluid balance.
verb
35
1
To drink water or other liquid or administer a liquid to (a patient) in an effort to prevent or treat dehydration.
verb
35
1
To become a hydrate.
verb
32
1
A compound produced by combining a substance chemically with water. Many minerals and crystalline substances are hydrates.
noun
18
0
To combine a compound with water, especially to form a hydrate.
verb
15
0
To supply water to a person in order to restore or maintain a balance of fluids.
verb
12
0
(chemistry) A solid compound containing or linked to water molecules.
noun
1
0
(inorganic chemistry, rare) Water.
noun
1
0
To take up, consume or become linked to water.

A lotion can hydrate the skin.

verb
0
0
(slang) To drink water.
verb
0
0

Origin of hydrate

Borrowing from French hydrate, coined by Joseph-Louis Proust, from Ancient Greek ὕδωρ (hudōr, “water”) + -ate.