hydrate

1 of 2

noun

hy·​drate ˈhī-ˌdrāt How to pronounce hydrate (audio)
: a compound formed by the union of water with some other substance

hydrate

2 of 2

verb

hydrated; hydrating

transitive verb

1
: to cause to take up or combine with water or the elements of water
2
: to supply with ample fluid or moisture
hydrates and softens the skin

intransitive verb

: to become a hydrate
hydration noun
hydrator noun

Examples of hydrate in a Sentence

Verb lotions and creams that hydrate the skin Drink fluids to hydrate the body.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Green tea extract soothes and hydrates, to fight wrinkles with less irritation. Kristin Canning, SELF, 8 May 2025 The gel mask does so with three types of collagen, working in tandem with a thoughtful blend of supportive ingredients like hydroxyproline, collagen amino acids, hyaluronic acid, peptides, and squalane for a well-rounded formula that not only firms, but hydrates, soothes, and plumps. Kiana Murden, Vogue, 21 Mar. 2025
Verb
Well, Look Even Better Myth: That hot-at-Sephora skin salve will hydrate your skin and reverse years of damage caused by a bad diet and lackluster hygiene habits. Stacia Datskovska, Footwear News, 22 May 2025 Originating from Korea, butter skin is about making your complexion look as smooth and satiny as the kitchen staple by using a combination of hydrating skin-care and creamy-makeup products. Sophia Panych, Allure, 20 May 2025 See All Example Sentences for hydrate

Word History

First Known Use

Noun

1802, in the meaning defined above

Verb

1846, in the meaning defined at transitive sense 1

Time Traveler
The first known use of hydrate was in 1802

Browse Nearby Words

Cite this Entry

“Hydrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrate. Accessed 27 May. 2025.

Kids Definition

hydrate

1 of 2 noun
hy·​drate ˈhī-ˌdrāt How to pronounce hydrate (audio)
: a compound formed by the union of water with some other substance
a hydrate of copper sulfate

hydrate

2 of 2 verb
hydrated; hydrating
1
: to cause to take up or combine with water or the elements of water
2
: to supply with sufficient amounts of fluid or moisture
hydration noun

Medical Definition

hydrate

1 of 2 noun
hy·​drate ˈhī-ˌdrāt How to pronounce hydrate (audio)
: a compound (as Glauber's salt) formed by the union of water with some other substance

hydrate

2 of 2 verb
hydrated; hydrating

transitive verb

: to cause to take up or combine with water or the elements of water

intransitive verb

: to become a hydrate

More from Merriam-Webster on hydrate

Last Updated: - Updated example sentences
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