run-flat

American  

[ruhn-flat] / ˈrʌnˌflæt /

adjective

1. (of an automobile tire) constructed so as not to deflate completely after a puncture so that a motorist can still drive the vehicle for some distance.

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Etymology

Origin of run-flat

First recorded in 1945–50

Example Sentences

Experts say the presidential limousine has run-flat tires, bulletproof glass and a completely sealed interior to ward off a chemical attack, among many other high-tech security features.

From Reuters • Sep. 24, 2018

The Countryman offers 17-inch wheels, summer performance run-flat tires, automatic wipers, heated mirrors, a heated windshield wiper, roof rails with a panoramic sunroof, the keyless entry and ignition and 40/20/40-split rear seats.

From Washington Times • Mar. 16, 2018

It also resists punctures and bruises-not only does the tire feature puncture-resistant tread, it's available in a run-flat design.

From Time Magazine Archive

Unlike "run-flat" tires, which cost hundreds of dollars extra, NailGuards cost just $10 more per tire.

From Time Magazine Archive

The Beemer has semi-functional back seats, and it comes with run-flat tires, so there's no need for a spare.

From Time Magazine Archive