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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

Over the past seven days, supporters have had to get used to referees halting play in the middle of each half to allow players to rehydrate.

From BBC Jun. 18, 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

At 25,000 feet he paused to give Pittman another injection of dexamethasone, and then everyone stopped for a long time at Camp Three to rest and rehydrate.

From "Into Thin Air" by Jon Krakauer

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

A day earlier, Defense Minister Iván Velásquez had said the children were being rehydrated and couldn’t eat food yet.

From Seattle Times Jun. 11, 2023

The Londoner said: "I feel good. It's nice to get all this out of the way. Get back, rehydrated, replenish and get ready to go tomorrow night."

From BBC May 6, 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

The key to salvaging it - other than sandwiches slathered with mayonnaise - is rehydrating it in a flavorful sauce that turns it into a completely different meal.

From Washington Times Dec. 25, 2023

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

If he forgot his water bottle, he had to train without rehydrating in the hot Mallorcan sun.

From BBC May 25, 2021

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