rehydration

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noun

The replenishment of water and electrolytes lost through dehydration.

OriginEnglish hydration ← Middle English re- ← Old French re- →
UncommonScrabble 18
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Meanings

nounrehydration (usually uncountable, plural rehydrations)

plural rehydrations

  1. uncountableusuallyThe replenishment of water and electrolytes lost through dehydration.

Synonyms & antonyms

Also see
hydration

Origin

  1. Proto-Italic*wre-
  2. Latinre-
  3. Old Frenchre-
  4. Middle Englishre-
  5. Englishre-
  6. Englishhydration
  7. Englishrehydration

From re- + hydration.

Full word history & related roots →
Cite this entry
APA

rehydration. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/rehydration

MLA

“rehydration.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rehydration. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “rehydration,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/rehydration.

Source: rehydration on Wiktionary, CC BY-SA 4.0.