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ground effect

British  

noun

  1. the improvement to the aerodynamic qualities of a low-slung motor vehicle resulting from a cushion of air beneath it

"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

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Gone are the underbody venturi tunnels that created ground effect that required the cars to be run as close to the ground as possible with super-stiff suspension.

From BBC Jan. 26, 2026

With ground effect potentially here to stay until at least 2026, Hamilton indicated he’d support rule changes to reduce the bouncing.

From Seattle Times Jun. 11, 2022

But the rule makers have gone back to ground effect because they believe it will be effective in allowing cars to keep hold of a far greater proportion of their downforce when behind another car.

From BBC Mar. 16, 2022

The new cars are also constructed to use ground effect to generate a greater proportion of downforce.

From Washington Post Mar. 16, 2022

The counter-spinning vortices employed by the jellyfish are a variation of something known as the ground effect.

From New York Times Jan. 7, 2021

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