[ ree-hahy-dreyt ]

verb (used with object),re·hy·drat·ed, re·hy·drat·ing.
  1. to restore moisture or fluid to (something dehydrated).

Origin of rehydrate

1920–25; re- + hydrate, on the model of dehydrate

Other words from rehydrate

  • re·hy·dra·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use rehydrate in a sentence