hydrate

[ hahy-dreyt ]

noun

1. any of a class of compounds containing chemically combined water. In the case of some hydrates, as washing soda, Na 2 CO 3 ⋅10H 2 O, the water is loosely held and is easily lost on heating; in others, as sulfuric acid, SO 3 ⋅H 2 O, or H 2 SO 4 , it is strongly held as water of constitution.

verb (used with or without object)

, hy·drat·ed, hy·drat·ing.

1. to combine chemically with water.

hydrate

/ ˈhaɪdreɪt /

noun

1. a chemical compound containing water that is chemically combined with a substance and can usually be expelled without changing the constitution of the substance
2. 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)
3. not in technical usage a chemical compound, such as a carbohydrate, that contains hydrogen and oxygen atoms in the ratio two to one

verb

1. to undergo or cause to undergo treatment or impregnation with water

hydrate

/ hī′drāt′ /

Noun

1. A compound produced by combining a substance chemically with water. Many minerals and crystalline substances are hydrates.

Verb

1. To combine a compound with water, especially to form a hydrate.
2. To supply water to a person in order to restore or maintain a balance of fluids.

Derived Forms

• hyˈdration, noun
• ˈhydrator, noun

Other Words From

• hy·dration noun

Word History and Origins

Origin of hydrate¹

First recorded in 1795–1805; hydr- ¹ + -ate ²

Word History and Origins

Origin of hydrate¹

C19: from hydro- + -ate ¹

Example Sentences

Dermatologists say that scalp treatments promote circulation and detoxify, as well as calm and hydrate skin, all of which can help prevent dandruff, itchiness, dryness and inflammation.

From Los Angeles Times

Depending on their quantity, and how they interact with one another, those ingredients may help hydrate your body more efficiently.

From Los Angeles Times

Water is the best way to hydrate our bodies.

From Salon

Workers had already been trained to hydrate and take breaks, and to check in with each other for symptoms of heat illness using a buddy system, said Juan Carlos Moreno, 51, a supervisor at Eco Bay.

From Los Angeles Times

Depending on their quantity, and how they interact with one another, those ingredients may help hydrate your body more efficiently.

From Los Angeles Times