: 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
Emily Cegielski, Flow Space, 5 Dec. 2024
The color-safe formula exfoliates and hydrates the scalp while nourishing and volumizing hair from the root.
—Mia Huelsbeck, People.com, 5 Dec. 2024
Deanna Pai, Allure, 13 Dec. 2024
Combined, this recipe moisturizes, hydrates multiple layers of the skin barrier, and reduces hyperpigmentation, all while plumping and smoothing the skin on your lips.
—Madison Yauger, People.com, 11 Dec. 2024
See all Example Sentences for hydrate 
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Noun
Infused with hyaluronic acid and plant adaptogens, this glossy oil deeply hydrates while creating a visibly fuller pout.
—Emily Cegielski, Flow Space, 5 Dec. 2024
The color-safe formula exfoliates and hydrates the scalp while nourishing and volumizing hair from the root.
—Mia Huelsbeck, People.com, 5 Dec. 2024
Verb
The second ingredient in the formula is glycerin, a humectant that pulls water from the air to keep skin hydrated for hours.
—Deanna Pai, Allure, 13 Dec. 2024
Combined, this recipe moisturizes, hydrates multiple layers of the skin barrier, and reduces hyperpigmentation, all while plumping and smoothing the skin on your lips.
—Madison Yauger, People.com, 11 Dec. 2024
See all Example Sentences for hydrate
Dictionary Entries Near hydrate
Cite this Entry
“Hydrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrate. Accessed 23 Dec. 2024.
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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