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[ree-hahy-dreyt] /riˈhaɪ dreɪt/
verb (used with object), rehydrated, rehydrating.
to restore moisture or fluid to (something dehydrated).
Origin of rehydrate
1920-25; re- + hydrate, on the model of dehydrate
Related forms
rehydration, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Word Origin and History for rehydrate

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

Online Etymology Dictionary, © 2010 Douglas Harper
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rehydrate in Medicine

rehydrate re·hy·drate (rē-hī'drāt')
v. re·hy·drat·ed, re·hy·drat·ing, re·hy·drates

  1. To cause rehydration of something.

  2. 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.
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