As nouns the difference between drainage and diversion
is that drainage
is a natural or artificial removal of surface and sub-surface water from a given area while diversion
is a tactic used to draw attention away from the real threat or action.
A natural or artificial removal of surface and sub-surface water from a given area.
A system of drains.
* positive drainage
(military) A tactic used to draw attention away from the real threat or action.
A hobby; an activity that distracts the mind.
The act of diverting.
Removal of water via a canal.
(transport) A detour, such as during road construction
(transport) The rerouting of cargo or passengers to a new transshipment point or destination, or to a different mode of transportation before arrival at the ultimate destination
[US FM 55-15 TRANSPORTATION REFERENCE DATA; 9 June 1886 ].
(legal) Officially halting or suspending a formal criminal or juvenile justice proceeding and referral of the accused person to a treatment or care program.
* red herring