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CAP

CAP
ScnMaster
a small metal device containing explosive powder that explodes when it is struck. Oxford American Dictionary (Health and Certainty) Final approval 4/11/89
CAP
ScnTUEU
a small metal device containing explosive powder that explodes when it is struck.short for percussion cap, a small paper or metal container holding a charge that explodes when struck; used in some toy guns.short for percussion cap, a small paper or metal container holding a charge that explodes when struck; used in some toy guns. And I imagine that that would make plutonium look like a cap in a cap pistol.