Definition of drainage in English:


Line breaks: drain|age
Pronunciation: /ˈdreɪnɪdʒ


[mass noun]
1The action or process of draining something: the pot must have holes in the base for good drainage the drainage of wetlands
More example sentences
  • Hydrostatic pressure can build up behind a stone wall if there is inadequate drainage at the base.
  • Ventilation and drainage of their secretions is essential for proper functioning.
  • Bladder injury during colposuspension requires formal surgical closure and drainage for five days.
1.1A system of drains: they set about renewing and repairing drainage and water supplies
More example sentences
  • These pools can be eliminated by repairs or improvements to the water supply or drainage system.
  • There are three types of water flow in karst drainage systems: conduit, fissure, and diffuse.
  • Sewage is slopped out into the surface water drainage system through the roadside gullies.

Definition of drainage in: