hydrate

1 of 2

noun

hy·​drate ˈhī-ˌdrāt How to pronounce hydrate (audio)
Synonyms of hydratenext
: 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
hī-ˈdrā-shən How to pronounce hydrate (audio)
noun
hydrator
ˈhī-ˌdrā-tər How to pronounce hydrate (audio)
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
Available in 38 hues that account for an impressive range of skin tones and undertones, the concealer hydrates, plumps, and brightens the undereye area with skin-loving ingredients such as hyaluronic acid, peptides, and caffeine. — Jenny Berg, Vogue, 22 Mar. 2025 Just add water and watch the powder transform into a bouncy mask that brightens and hydrates. — Maria Correa, Miami Herald, 3 Mar. 2025
Verb
Dove’s is a classic formulated with gentle cleansers and the brand’s moisturizing cream to hydrate the skin while maintaining the natural moisture barrier. — Kiana Murden, Vogue, 13 Mar. 2025 Available in eight scents including Mango Mojo, Vanilla Velvet and more, its new $20 Power Essence Body & Hair Fragrance Mists are infused with hyaluronic acid, niacinamide and panthenol in an aim to hydrate skin and strands. — Noor Lobad, WWD, 11 Mar. 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

Phrases Containing hydrate

Rhymes for hydrate

See All Rhymes for hydrate

Browse Nearby Words

hydrase
hydrate
hydrated alumina
See all Nearby Words

Cite this Entry

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

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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
hī-ˈdrā-shən How to pronounce hydrate (audio)
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

Thesaurus: All synonyms and antonyms for hydrate

Nglish: Translation of hydrate for Spanish Speakers

Britannica.com: Encyclopedia article about hydrate

Last Updated: - Updated example sentences
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