spall

Definitions

Construction

  • A fragment usually in the shape of a flake, detached from a larger mass by a blow through the action of weather, by pressure, or by expansion within the larger mass. A small spall involves a roughly circular depression not greater than 20 mm in depth nor 150 mm in any dimension; a large spall may be roughly circular or oval or, in some cases, elongated.

Military

  • noun fragments of armour which are broken off and blasted into the interior of an armoured vehicle, as a result of a hit by an anti-tank projectile
  • acronymHESH
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