washout

noun

1. 1

   An appliance designed to wash something out.

   “The cistern was fitted with washouts and air-valves.”

2. 2

   The cleaning of matter from a physiological system using a fluid.

   “a bladder washout”

3. 3

   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.

4. 4

   The action whereby falling rainwater clean particles from the air.

5. 5

   A channel produced by the erosion of a relatively soft surface by a sudden gush of water.

6. 6

   A breach in a road or railway caused by flooding.

7. 7

   The cleaning of the inside of a (locomotive) boiler to remove scale (limescale).

8. 8

   A disappointment or total failure; an unsuccessful person.

   “As an actor, he was a complete washout, so he went back to accounting.”

9. 9

   A sporting fixture or other event that could not be completed because of rain.

10. 10

    The aerodynamic effect of a small twist in the shape of an aircraft wing