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Entry 3 senses · 2 variants Webster, 1913

dehydrate

/dĭh-īd'-rāt/ · de·hy·drate · IPA /ˌdihaɪˈdɹeɪt/
01 v. t. To deprive of water; to render free from water; as, to dehydrate alcohol; to dehydrate food for preservation.
  1. 1.
    To deprive of water; to render free from water; as, to dehydrate alcohol; to dehydrate food for preservation.
02 v. i. to lose water or moisture.
  1. 1.
    to lose water or moisture.
  2. 2.
    to lose sufficent water to cause physiological distress; -- of living organisms; as, victims trapped in the earthquake rubble may dehydrate if not found quickly.