upwash
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/'ʌpwɒʃ/
🇬🇧
/'ʌpwɒʃ/
An upward movement of air or water created by something moving through it.
The upwash from the bird's wings helped it stay aloft.
In aviation, the area of higher pressure and upward airflow behind an airplane's wing.
The glider used the upwash to climb higher without its engine.