Definition of "downwash" []

• Downward air turbulence caused by the motion or action of a propeller or jet: the downwash of the helicopter blades. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• ""There is then potential for a breakthrough in the current Libyan stalemate to create a short-term downwash in oil prices, but we would not expect that move to stick for long," the analysts said."
• "The aircraft's heavy "downwash" of air from the rotors is so strong it has dislodged on-deck equipment."
• "Corporal Mark Wright, of the 3rd battalion Parachute Regiment, was killed by a landmine set off by the 'downwash' from a Chinook"