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rehydrate

American  
[ree-hahy-dreyt] / riˈhaɪ dreɪt /

verb (used with object)

rehydrated, rehydrating
  1. to restore moisture or fluid to (something dehydrated).


Other Word Forms

Etymology

Origin of rehydrate

1920–25; re- + hydrate, on the model of dehydrate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

They became a bigger selling point for beverages after Gatorade, launched in the 1960s, and Powerade, launched in the 1980s, marketed them as a something that could help athletes rehydrate.

From MarketWatch Jul. 11, 2026

The referee blows his whistle to stop the game 22 minutes into each half to allow players to rehydrate.

From BBC Jun. 15, 2026

You freeze-dry it and you rehydrate it on the battlefield with drinking water, and that’s it.

From Slate Sep. 1, 2025

Beavers can also help restore burned areas: Their dams trap ash and debris, and their wetlands help rehydrate landscapes, supporting the growth of grasses and shrubs, Lundquist said.

From Los Angeles Times Mar. 26, 2024

First I fill my bottle with the pool water, treat it, and when enough time has passed, begin to rehydrate my body.

From "The Hunger Games" by Suzanne Collins

Three Iranian men pressed rehydrated raisins at an artisan distillery just outside New York, thousands of miles from their war-struck homeland.

From Barron's May 2, 2026

To make the treatment more convenient, they said, the device can be freeze-dried for storage and easily rehydrated when needed.

From Science Daily May 30, 2024

In this state, they are usually persistently vomiting and many times have to be hospitalized to be rehydrated with IV fluids.

From Salon Dec. 14, 2023

She didn’t bring a camping stove, choosing instead to replace the weight and space it would occupy with more food, even if it meant eating glacially cold rehydrated biscuits and gravy.

From Seattle Times Nov. 19, 2023

Dried biscuits, rehydrated and quick-baked, were added to the feast.

From The Runaway Asteroid by Cooper, Michael D., [pseud.]

Grab some tissues and rehydrating electrolytes to prepare for this gorgeous drama to wreck you in the best way.

From Salon Jun. 28, 2025

Eubank Sr has labelled the Benn bout a "circus" because of the weight disparity; Benn is going up two divisions and Eubank is prohibited from rehydrating more than 10lb after the weigh-in.

From BBC Apr. 25, 2025

People worldwide and across the West are already rehydrating, rather than dehydrating, the land.

From Scientific American Apr. 20, 2023

Dozens of patients sat on white buckets or lay on stretchers as IV lines ran up to bags of rehydrating fluids that gleamed in the sun.

From Seattle Times Oct. 28, 2022

Mr. Stolsky said that rehydrating non-dairy milk is more difficult.

From Washington Times Sep. 8, 2022

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