hydrate
1. [ verb ] cause to be hydrated; add water or moisture to
Examples:

"hydrate your skin"

Related terms: dehydrate humidify slack hydration
2. [ verb ] become hydrated and combine with water
Related terms: change
3. [ verb ] supply water or liquid to in order to maintain a healthy balance
Examples:

"the bicyclists must be hydrated frequently"

Related terms: supply
4. [ noun ] (chemistry) any compound that contains water of crystallization
Related terms: compound monohydrate
Similar spelling:   hydrated
  hydration
  hydride