squib(redirected from squibs)
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1. a firework, usually having a tube filled with gunpowder, that burns with a hissing noise and culminates in a small explosion
2. a firework that does not explode because of a fault; dud
A small tube filled with fine-grained black powder; upon the lighting and burning of the ignition match, the squib assumes a rocket effect and darts back into the hole to ignite the powder charge.
A small explosive device, similar in appearance to a detonator, but loaded with low explosive, so that its output is primarily heat (flash); usually electrically initiated, and provided to initiate action of pyrotechnic devices and rocket propellants.
An electrically actuated device used to ignite a charge in blasting operations.