v. t. To deprive of water; to render free from water; as, to dehydrate alcohol; to dehydrate food for preservation. [ 1913 Webster ]
v. i. 1. to lose water or moisture. [ PJC ]
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. [ PJC ]
adj. 1. thoroughly dried out. Syn. -- desiccated, dried-out. [ WordNet 1.5 ]
2. suffering from fluid deprivation; as, to become deydrated from overexertion on a hot day. [ WordNet 1.5 ]