downwash
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English
Etymology
Pronunciation
- Rhymes: -ɒʃ
Noun
downwash (plural downwashes)
- downward air turbulence caused by a propeller or jet, but especially by helicopter blades
- The downward motion of air as a result of eddies behind a wing or chimney, etc.
- 2008, John S. Denker, How It Flies:
- There is significant upwash ahead of the wing and even more downwash behind the wing.