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rehydrate

[ree-hahy-dreyt]
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verb (used with object), re·hy·drat·ed, re·hy·drat·ing.
  1. to restore moisture or fluid to (something dehydrated).
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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. 2018

Word Origin and History for rehydrate

v.

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

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Online Etymology Dictionary, © 2010 Douglas Harper
rehydrate in Medicine

rehydrate

(rē-hī′drāt′)
v.
  1. To cause rehydration of something.
  2. To replenish the body fluids of an individual.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.