: a compound formed by the union of water with some other substance
hydrated; hydrating
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
: to become a hydrate
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
Jackie Fields, People.com, 1 May 2025
Light and breathable, the no makeup-makeup base comes in 16 shades and hydrates skin while safeguarding its moisture barrier.
—Celia Shatzman, Forbes.com, 29 Apr. 2025
Iman Balagam, Vogue, 9 May 2025
The in-shower treatment is infused with aloe and jojoba to hydrate and soothe as the chemicals kick into gear, which also helps cut down on ingrowns in the process.
—Jennifer Hussein, Allure, 7 May 2025
See All Example Sentences for hydrate
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Noun
Powered by hyaluronic acid and peppermint, hydrates, calms and tightens skin thanks to its cooling effect.
—Jackie Fields, People.com, 1 May 2025
Light and breathable, the no makeup-makeup base comes in 16 shades and hydrates skin while safeguarding its moisture barrier.
—Celia Shatzman, Forbes.com, 29 Apr. 2025
Verb
It’s formulated with ingredients like tocopherol (vitamin E), bisabolol, and glycerin to help hydrate and soothe.
—Iman Balagam, Vogue, 9 May 2025
The in-shower treatment is infused with aloe and jojoba to hydrate and soothe as the chemicals kick into gear, which also helps cut down on ingrowns in the process.
—Jennifer Hussein, Allure, 7 May 2025
See All Example Sentences for hydrate
Cite this Entry
“Hydrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrate. Accessed 15 May. 2025.
Copy CitationKids Definition
hydrate
1 of 2 noun
hy·drate
ˈhī-ˌdrāt 
: 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
Medical Definition
hydrate
1 of 2 noun
hy·drate
ˈhī-ˌdrāt
: a compound (as Glauber's salt) formed by the union of water with some other substance
hydrate
2 of 2 verb
hydrated; hydrating
: to cause to take up or combine with water or the elements of water
: to become a hydrate
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