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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

“One of the things that I do in this recipe is rehydrate milk powder. That sort of simulates khoa without all the effort, which I feel makes a huge difference,” Selvaraju adds.

From Salon Oct. 21, 2025

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

Many placed the towels over the heads to shield themselves and rehydrated with cool bottles of water.

From Seattle Times Jul. 23, 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

At Kuwadzana Polyclinic, cholera patients lined up in a special tent set up for them and were given a cup of rehydrating sugar and salt solution on arrival.

From Seattle Times Nov. 20, 2023

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

From Scientific American Apr. 20, 2023

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

From Washington Times Sep. 8, 2022

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