- any of a class of compounds containing chemically combined water. In the case of some hydrates, as washing soda, Na2CO3⋅10H2O, the water is loosely held and is easily lost on heating; in others, as sulfuric acid, SO3⋅H2O, or H2SO4, it is strongly held as water of constitution.
- to combine chemically with water.
Origin of hydrate
Examples from the Web for hydration
Contemporary Examples of hydration
For hydration, an IV would have been effective, as CIA medical officers conceded.‘Rectal Feeding’ Has Nothing to Do with Nutrition, Everything to Do with Torture
December 10, 2014
Since hangovers stem from lack of hydration, water is the secret weapon.The I.V. Doc Comes to Your House, Fights Hangovers, and Wins
July 20, 2014
Cucuzzella recommends that you practice your hydration plan well before race day, and learn to trust it.
Learn what your body requires by fine-tuning your hydration plan during your training runs.
They also have potassium for hydration and iron for healthy circulation.Mushrooms Are Magic for Women Trying to Lose Weight
May 22, 2014
Historical Examples of hydration
We understand that peptones are the products of the hydration and cleavage of previously formed proteoses.On Digestive Proteolysis
R. H. Chittenden
In enamelling it cannot be used; the colour, depending on the water of hydration, being destroyed by a strong heat.Field's Chromatography
On solution in water, hydration or solvation probably takes place with the production of heat.Chlorination of Water
This water is contained in the wool in two forms: as water of hydration amounting to about 81 per cent., and as hygroscopic water.The Dyeing of Woollen Fabrics
The hydrate of baryta melts by a low red heat without losing its water of hydration.
- a chemical compound containing water that is chemically combined with a substance and can usually be expelled without changing the constitution of the substance
- a chemical compound that can dissociate reversibly into water and another compound. For example sulphuric acid (H 2 SO 4) dissociates into sulphur trioxide (SO 3) and water (H 2 O)
- (not in technical usage) a chemical compound, such as a carbohydrate, that contains hydrogen and oxygen atoms in the ratio two to one
- to undergo or cause to undergo treatment or impregnation with water
Word Origin for hydrate
Word Origin and History for hydration
1854, noun of action from hydrate.
1802, "compound of water and another chemical," from French hydrate, coined c.1800 by French chemist Joseph-Louis Proust (1754-1826) from Greek hydr-, stem of hydor "water" (see water (n.1)).
- The addition of water to a chemical molecule without hydrolysis.
- The process of providing an adequate amount of liquid to bodily tissues.
- A solid compound containing water molecules combined in a definite ratio as an integral part of a crystal.
- To rehydrate.
- To supply water to a person or thing in order to restore or maintain fluid balance.
- A compound produced by combining a substance chemically with water. Many minerals and crystalline substances are hydrates.
- To combine a compound with water, especially to form a hydrate.
- To supply water to a person in order to restore or maintain a balance of fluids.