- a jet of air produced mechanically.
Origin of air blast
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for air blast
Curved windshields of heavy glass protected the passengers from the air-blast of swift motion.The Golden Amazons of Venus
John Murray Reynolds
This is prevented by the water-cooled damper S, which always closes the air-blast when the gas-pipe is open and vice versa.
Build water-wheel and fan-wheel, and set my machinery for an air-blast to reduce the ore.Perseverance Island
Either of the two systems can be operated under pressure with an air-blast, in which case a gas-holder and bell must be employed.
It is customary to convey the air-blast through a pipe leading to the ash-pit, as in the Winterthur apparatus (Fig. 92).