Douglas Harper's Etymology Dictionary
Wiktionary
rehydration
n. The replenishment of water and electrolytes lost through dehydration.
Usage examples of "rehydration".
It would be like rehydration, and then the hunters would be out, chasing scavengers, shooting poachers.
Whether the pathogen involved is viral or bacterial, the best treatment for diarrhea is oral rehydration therapy.
There was water, rehydration salts, and compressed food, all to be delivered to spigots inside our sealed hoods.
By then Chief Petty Officer Peter McGuire, USNR, was well along on the road to rehydration: At Commander Kocharski's order, he had consumed over a quart of freshly prepared pineapple juice, mixed three-to-one with soda water to prevent further upsetting his stomach, and he was now working on his second bottle of beer.