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acoustic torpedo

American  

noun

  1. a torpedo guided by sound that either emanates from the target or is emitted by the torpedo and bounces off the target.


Example Sentences

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This acoustic torpedo was equipped with a 500-watt speaker that popped out of its nose and played “tactical sounds” to decoy enemy ships, and then, like all the rest, self-destructed.

From Slate • Mar. 30, 2012

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