run-flat

adj, noun — 2 senses

run-flat

adj
1

Automotive, Transport, Vehicles Of a pneumatic tire, designed to resist the effects of deflation when punctured, and to allow the vehicle to continue to be driven (although usually at a reduced speed).

run-flat

noun
1

Automotive, Transport, Vehicles A pneumatic tire designed to resist the effects of deflation when punctured, and to allow the vehicle to continue to be driven (although usually at a reduced speed).

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.