rehydrate

[ree-hahy-dreyt]

verb (used with object), re·hy·drat·ed, re·hy·drat·ing.

to restore moisture or fluid to (something dehydrated).

Origin of rehydrate

1920–25; re- + hydrate, on the model of dehydrate
Related formsre·hy·dra·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Word Origin and History for rehydration
n.

1853, from re- + hydration.

rehydrate

v.

1923, from re- + hydrate (v.). Related: Rehydrated; rehydrating.

Online Etymology Dictionary, © 2010 Douglas Harper

rehydration in Medicine

rehydration

[rē′hī-drāshən]

n.

The restoration of fluid to a dehydrated substance.
The replenishment of bodily fluids.

rehydrate

[rē-hīdrāt′]

v.

To cause rehydration of something.
To replenish the body fluids of an individual.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.