acoustic mine

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noun
  1. a naval mine designed to be exploded by the vibration of the propeller of a passing ship or by the sound of water along the hull.

Origin of acoustic mine

First recorded in 1940–45
Also called sonic mine.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for acoustic mine

mine, limpet