depth charge(redirected from Depth Charge (Transformers))
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A charge designed for detonation at a preset depth under water, used especially against submarines. Also called depth bomb.
(Firearms, Gunnery, Ordnance & Artillery) a bomb used to attack submarines that explodes at a pre-set depth of water
an explosive device used underwater, esp. against submarines, and set to detonate at a predetermined depth. Also called depth′ bomb`.