A forcible stream of air from an orifice, as from a bellows, the mouth, etc. Hence: The continuous blowing to which one charge of ore or metal is subjected in a furnace; as, to melt so many tons of iron at a blast.
The exhaust steam from and engine, driving a column of air out of a boiler chimney, and thus creating an intense draught through the fire; also, any draught produced by the blast.
The sound made by blowing a wind instrument; strictly, the sound produces at one breath.
A sudden, pernicious effect, as if by a noxious wind, especially on animals and plants; a blight.
The act of rending, or attempting to rend, heavy masses of rock, earth, etc., by the explosion of gunpowder, dynamite, etc.; also, the charge used for this purpose.
A flatulent disease of sheep.
To injure, as by a noxious wind; to cause to wither; to stop or check the growth of, and prevent from fruit-bearing, by some pernicious influence; to blight; to shrivel.
Hence, to affect with some sudden violence, plague, calamity, or blighting influence, which destroys or causes to fail; to visit with a curse; to curse; to ruin; as, to blast pride, hopes, or character.
To confound by a loud blast or din.
To rend open by any explosive agent, as gunpowder, dynamite, etc.; to shatter; as, to blast rocks.
To be blighted or withered; as, the bud blasted in the blossom.
Kabul is a walled city, which sounds romantic except the walls are pre-cast reinforced concrete blast barriers, 10 feet tall and 15 feet long and moved into place with cranes. The walls are topped with sandbags, and the sandbags are topped with guard posts from which gun barrels protrude. P. J. O'Rourke