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run-flat
[ ruhn-flat ]
adjective
- (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.
Word History and Origins
Origin of run-flat1
Example Sentences
Or they may equip their cars with self-sealing or run-flat tires, which Wardle said are “good if it is just a puncture from a nail but useless if you hit a pothole and split the rim and sidewall.”
Technical details of the Secret Service-operated limos are a closely kept national secret, but they are often described as having special run-flat tires in case of emergency.
According to Michelin, they weigh less than a traditional run-flat tire and wheel combination and that a driver won't notice any difference in performance.
Unlike run-flat tires, the technology aims to avoid the flat in the first place.
Instead, they have inflator kits or “run-flat tires,” which are designed to travel about 100 miles more until the driver can make a repair and write an angry letter or email in whatever jurisdiction the pothole was encountered.
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