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 (iou)



drainage noun. M17.
[from DRAIN verb + -AGE.]
The action of draining something; the manner in which something is drained. M17.
fig.: W. Irving This constant drainage of the purse.
Water etc. carried away by a drain. M19.
A system of drains; a means of draining. L19.
An area drained; a river valley, a drainage basin. Chiefly US. L19.
Comb.: drainage basin = BASIN 6(a); drainage tube Medicine a tube, usu. with lateral perforations, for draining a wound etc.