: 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
Jenny Berg, Vogue, 4 Feb. 2025
Using high-tech machines to draw out impurities, exfoliate dead skin, and hydrate, all of her services are customized to the specific skin concern of each model.
—India Espy-Jones, Essence, 30 Jan. 2025
Kiana Murden, Vogue, 4 Feb. 2025
The best hair masks This mask is designed to hydrate and soften hair and contains a range of moisturizing ingredients, including avocado oil and coconut oil.
—Bestreviews, The Mercury News, 31 Jan. 2025
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Noun
Key Ingredients: Coconut cream, banana, mango butter Sulfate-Free: Yes
Best For: Designed to treat damaged hair of all types and textures, the creamy formulation hydrates the hair while reducing frizz, split ends, and breakage.
—Jenny Berg, Vogue, 4 Feb. 2025
Using high-tech machines to draw out impurities, exfoliate dead skin, and hydrate, all of her services are customized to the specific skin concern of each model.
—India Espy-Jones, Essence, 30 Jan. 2025
Verb
Moroccanoil Perfect Defense Heat Protectant $32 AMAZON Moroccanoil’s heat protectant is packed with argan oil and vitamin B5 to hydrate hair.
—Kiana Murden, Vogue, 4 Feb. 2025
The best hair masks This mask is designed to hydrate and soften hair and contains a range of moisturizing ingredients, including avocado oil and coconut oil.
—Bestreviews, The Mercury News, 31 Jan. 2025
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 13 Feb. 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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