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run-flat

[ ruhn-flat ]
/ ˈrʌnˌflæt /
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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.

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Origin of run-flat

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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