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depth charge

depth charge, explosive device used against submarines and other underwater targets, either rolled into the water from rails on the stern of a ship or propelled from depth charge throwers. The charge is detonated by water pressure at a predetermined depth. It does not have to come into actual contact with the target to destroy it, since the concussion can accomplish this if the charge explodes near enough. First used by the British navy in World War I, it contributed significantly to the defeat of the German U-boat campaign.

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"depth charge." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 28 Jul. 2017 <http://www.encyclopedia.com>.

"depth charge." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (July 28, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/depth-charge

"depth charge." The Columbia Encyclopedia, 6th ed.. . Retrieved July 28, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/depth-charge

depth charge

depth charge • n. an explosive charge designed to be dropped from a ship or aircraft and to explode under water at a preset depth, used for attacking submarines.

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"depth charge." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 28 Jul. 2017 <http://www.encyclopedia.com>.

"depth charge." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (July 28, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/depth-charge

"depth charge." The Oxford Pocket Dictionary of Current English. . Retrieved July 28, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/depth-charge