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[ruhn-flat] /ˈrʌnˌflæt/
(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.
Origin of run-flat
1945-50 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for run-flat
  • From fuel injection to run-flat tires and even hybrids, the auto industry has been there, done that.
  • Next, is a tire with a section cut out of it, showing hardened run-flat inserts underneath the rubber.
  • They want to sell me run-flat tires with a change to snow tires in the fall.
  • run-flat capability is achieved by reinforcing the sidewalls so that the sidewalls can carry the entire load applied to the tire.

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