Definition of "washout" in English

noun

1. An act of washing or cleaning the inside of something.

2. An appliance designed to wash out the inside of something.

   • The cistern was fitted with washouts and air-valves.

3. The erosion of a relatively soft surface by a sudden gush of water; also, a channel produced by this action.

4. A sporting fixture or other event that cannot be completed because of rain.

5. An overwhelming victory; a landslide.

6. A total failure; a disappointment.

7. An unsuccessful person.

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

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

9. A destroyed aeroplane.

10. A trainee who drops out of a training programme.

11. A period between clinical treatments in which any medication delivered as the first treatment is allowed to be eliminated from a person's body before the second treatment begins.

12. The cleaning of matter from a physiological system using a fluid; also, the fluid used for such cleaning; or the matter cleaned out from the system.

    • a bladder washout

13. (meteorology) The action whereby falling rainwater cleans particles from the air.

14. (mining) A place in a mine where ore has been washed away by a flow of water.