Advertisement

Advertisement

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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to undergo or cause to undergo treatment or impregnation with water
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hydrate

/ 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.
Discover More

Derived Forms

  • hyˈdration, noun
  • ˈhydrator, noun
Discover More

Other Words From

  • hy·dration noun
Discover More

Word History and Origins

Origin of hydrate1

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

Word History and Origins

Origin of hydrate1

C19: from hydro- + -ate 1
Discover More

Example Sentences

It also says to drink a lot of water to keep hydrated.

From BBC

Frozen methane hydrates are trapped inside subsea permafrost and mixed with sediments across the deep ocean floor.

Also, bring buckets half full of water in your car, to keep the flowers hydrated during your drive home.

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.

The three basics, they say, are appropriate for any age: a gentle cleanser, a hydrating moisturizer and a good sunscreen.

Advertisement

Advertisement

Advertisement

Advertisement