Definition of "underinflation" []

• Inadequate inflation (of vehicle tyres). (noun)

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• "Keep your tires properly inflated -- underinflation promotes rollover."
• "And your post did pique my curiosity--just how many accidents a year are caused by tire underinflation?"
• "It's easy to find statements about adverse consequences of underinflation, but I've seen none about over inflation."