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Wiktionary:Word of the day/2023/December 28

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Word of the day
for December 28
washout n
  1. An act of washing or cleaning the inside of something.
  2. An appliance designed to wash out the inside of something.
  3. The erosion of a relatively soft surface by a sudden gush of water; also, a channel produced by this action.
    1. (originally US, rail transport, road transport) A breach in a railway or road caused by flooding.
  4. (slang)
    1. A sporting fixture or other event that cannot be completed because of rain.
    2. An overwhelming victory; a landslide.
    3. A total failure; a disappointment.
    4. An unsuccessful person.
  5. (aviation)
    1. (aeronautics) The aerodynamic effect of a small twist in the shape of an aircraft wing.
    2. (British, air force slang) A destroyed aeroplane.
    3. (British, originally air force slang) A trainee who drops out of a training programme.
  6. (medicine)
    1. 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.
    2. (also biology) 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.
  7. (meteorology) The action whereby falling rainwater cleans particles from the air.
  8. (mining) A place in a mine where ore has been washed away by a flow of water.
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