: 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
Chase Clements, Miami Herald, 22 May 2024
This new little gem of a moisturizing gel hydrates skin for 24 hours.
—Brittany Vanderbill, Peoplemag, 19 May 2024
Lauren Dana Ellman, Travel + Leisure, 31 May 2024
Lightweight and easy to use, potting mixes are designed to have great drainage, while also retaining enough moisture to keep plants hydrated.
—Megan Hughes, Better Homes & Gardens, 28 May 2024
See all Example Sentences for hydrate 
Noun
Neora’s 3-in-1 Self Tanning + Sculpting Foam tans, sculpts, and hydrates with a streak-free, stink-free, and mess-free formula.
—Chase Clements, Miami Herald, 22 May 2024
This new little gem of a moisturizing gel hydrates skin for 24 hours.
—Brittany Vanderbill, Peoplemag, 19 May 2024
Verb
It’s also enriched with hyaluronic acid, which, per Dr. Hartman, helps hydrate the skin — especially noteworthy considering the sun’s ability to dry out unprotected skin.
—Lauren Dana Ellman, Travel + Leisure, 31 May 2024
Lightweight and easy to use, potting mixes are designed to have great drainage, while also retaining enough moisture to keep plants hydrated.
—Megan Hughes, Better Homes & Gardens, 28 May 2024
See all Example Sentences for hydrate
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hydrate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near hydrate
Cite this Entry
“Hydrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrate. Accessed 6 Jun. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share