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downwash

[doun-wosh, -wawsh]
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noun Aeronautics.
  1. a deflection of air downward relative to an airfoil that causes the deflection.

Origin of downwash

First recorded in 1910–15; down1 + wash
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for downwash

Historical Examples

  • It's the downwash of blood from the organ it has kept at fever heat.

    Black Oxen

    Gertrude Franklin Horn Atherton

British Dictionary definitions for downwash

downwash

noun
  1. the downward deflection of an airflow, esp one caused by an aircraft wing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012