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

Once rehydrated and cooked, the fish has a firm, chewy texture and a deep, concentrated flavor that some find challenging. —David Nikel, Forbes.com, 14 May 2025

Purchase a humidifier Cold weather will always make the air dryer, but having a humidifier is great for the winter to restore and rehydrate the air in your house. —Felicity Carter, Forbes, 22 Dec. 2024

However, bottom watering may be especially helpful when trying to fully rehydrate very dry potting soil. —Leanne Potts, Better Homes & Gardens, 13 Jan. 2025

Dodgers manager Dave Roberts said Betts is starting to feel better, but has lost nearly 15 pounds and is still trying to get rehydrated and gain strength. —Kilty Cleary, Newsweek, 18 Mar. 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