downwash

About 0.06 uses per million words.

Meaning

1. noun downward air turbulence caused by a propeller or jet, but especially by helicopter blades
2. noun The downward motion of air as a result of eddies behind a wing or chimney, etc.

Similar words

upwash prop wash backwash transverse flow effect downforce wake turbulence open rotor autorotation tail rotor open fan

Often followed by

angle of from at velocity is and on in

Word family

downwashes