rehydrate

verb

re·​hy·​drate (ˌ)rē-ˈhī-ˌdrāt 

rehydrated; rehydrating; rehydrates

transitive verb

: to restore fluid to (something dehydrated)

rehydratable

(ˌ)rē-ˈhī-ˌdrā-tə-bəl 

adjective

rehydration

ˌrē-ˌhī-ˈdrā-shən 

noun

Examples of rehydrate in a Sentence

Recent Examples on the Web

Animal research suggests that the main minerals found in beef bone broth include all the key rehydrating electrolytes.19 8. —Cristina Mutchler, Verywell Health, 18 June 2025

For guests who may have spent too much time basking in the sun without enough SPF, there’s also the After Sun Soother, which uses a soothing gel mask made with active marine ingredients to help soothe and rehydrate the skin. —Elizabeth Brownfield, Forbes.com, 30 May 2025

When rehydrated, approximately 40% of the tardigrades survived and became active again, showing no signs of being bothered by the tattoos. —New Atlas, 5 May 2025

Why not rehydrate the city by replacing xeriscapes with more lawns and trees? —Edward Ring, Oc Register, 22 Apr. 2025

Word History

First Known Use

1945, in the meaning defined above

Rhymes for rehydrate

• dehydrate
• dihydrate
• trihydrate
• monohydrate

Kids Definition

rehydrate

verb

re·​hy·​drate (ˈ)rē-ˈhī-ˌdrāt 

: to restore fluid to (something dehydrated)

rehydration

ˌrē-ˌhī-ˈdrā-shən 

noun

Medical Definition

rehydrate

transitive verb

re·​hy·​drate (ˈ)rē-ˈhī-ˌdrāt 

rehydrated; rehydrating

: to restore fluid to (something dehydrated)

especially : to restore body fluid lost in dehydration to

rehydrate a patient

rehydration

ˌrē-ˌhī-ˈdrā-shən 

noun