Hydration
- Baker percentage
- Dehydration (disambiguation)
- Drinking
- Fluid replacement
- Hydrate
- Hydration (web development)
- Hydration enthalpy
- Hydration pack
- Hydration reaction
- Hydration shell
- Hydration system
- Management of dehydration
- Mineral hydration
- Oral rehydration therapy
- Solvation
- Tissue hydration
- Water of hydration