rehydrate

verb

re·​hy·​drate (ˌ)rē-ˈhī-ˌdrāt How to pronounce rehydrate (audio)
rehydrated; rehydrating; rehydrates

transitive verb

: to restore fluid to (something dehydrated)
rehydratable adjective
rehydration noun

Examples of rehydrate in a Sentence

Recent Examples on the Web The vegan formula is made from 90 percent pure aloe leaf juice, which is good for combating redness and rehydrating dry skin. Barbara Bellesi Zito, Travel + Leisure, 15 Mar. 2024 Opt for products that do not have added fragrances. Drink plenty of water to rehydrate your skin. Madison Yauger, Health, 10 Mar. 2024 But someone, somewhere (likely hundreds of years ago), got it in their heads to take that practically inedible drying them out in a boatload of sea salt and then rehydrating them could make for a tasty ingredient. Allison Morrow, CNN, 23 Mar. 2024 Think of humectants as magnets that draw water from the air into your skin to rehydrate it, while occlusives create a protective layer to seal all that moisture in. Alaina Chou, Bon Appétit, 21 Feb. 2024 The coral is then washed carefully with seawater to rehydrate it. Cameron Pugh, The Christian Science Monitor, 11 Dec. 2023 Here’s what experts had to say about drinking water to rehydrate your skin and the best ways to battle your winter skin blues. Jani Hall, Health, 21 Feb. 2024 All the water in the Willamette couldn't rehydrate me at this point. Jessica Leon, EW.com, 21 June 2023 And post-exfoliation, be sure to use your preferred moisturizer, the better to rehydrate and protect the skin barrier. Calin Van Paris, Vogue, 9 Dec. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rehydrate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of rehydrate was in 1945

Dictionary Entries Near rehydrate

Cite this Entry

“Rehydrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rehydrate. Accessed 28 Apr. 2024.

Kids Definition

rehydrate

verb
re·​hy·​drate (ˈ)rē-ˈhī-ˌdrāt How to pronounce rehydrate (audio)
: to restore fluid to (something dehydrated)
rehydration noun

Medical Definition

rehydrate

transitive verb
re·​hy·​drate (ˈ)rē-ˈhī-ˌdrāt How to pronounce rehydrate (audio)
rehydrated; rehydrating
: to restore fluid to (something dehydrated)
especially : to restore body fluid lost in dehydration to
rehydrate a patient
rehydration noun

More from Merriam-Webster on rehydrate

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!