definition
An appliance designed to wash something out.
example
The cistern was fitted with washouts and air-valves.
definition
The cleaning of matter from a physiological system using a fluid.
example
a bladder washout
definition
A period between clinical treatments in which any medication delivered as the first treatment is allowed to wash out of the person before the second treatment begins.
definition
The action whereby falling rainwater clean particles from the air.
definition
A channel produced by the erosion of a relatively soft surface by a sudden gush of water.
definition
A breach in a road or railway caused by flooding.
definition
The cleaning of the inside of a (locomotive) boiler to remove scale (limescale).
definition
A disappointment or total failure; an unsuccessful person.
example
As an actor, he was a complete washout, so he went back to accounting.
definition
A sporting fixture or other event that could not be completed because of rain.
definition
The aerodynamic effect of a small twist in the shape of an aircraft wing