See Also: drainage(dictionary)
through drainage(medicine)
drainage(dictionary)
Drainage(medicine)
Incision and drainage(health)
tidal drainage(medicine)
suction drainage(medicine)
postural drainage(medicine)
open drainage(medicine)
Closed drainage(medicine)

drainage (oh)



the process or system by which water or waste liquid flows away
::A handful of pebbles in the bottom of a flowerpot will help drainage.
::a plan to improve the town's drainage system