'magnetic mine' definitions:
Definition of 'magnetic mine'
(from WordNet)
noun
(nautical) a marine mine that is detonated by a mechanism that responds to magnetic material (as the steel hull of a ship)
Definition of 'magnetic mine'
From: GCIDE
- magnetic mine \magnetic mine\ n. (Mil.) A marine mine that is detonated by a mechanism that detects the nearness of magnetic material (as the steel hull of a ship). A magnetic counter mine may allow the passagw of several ships before detonating. [WordNet 1.5]