hot air

To overcome these limitations, engineers have long relied on nickel-based superalloys for parts that must withstand hot air or combustion gases.

All the hot air emanating from the politicians on Capitol Hill was nowhere to be found.

And planets don’t revolve around the sun, hot air doesn’t rise and gravity doesn’t bring falling leaves to Earth.

Jones was contemplating a hot air balloon to mark their semi-final in Bristol.

A hot air balloon from which a man fell and died in West Sussex was being operated by Virgin, the company has confirmed.