magnetic mine

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magnetic mine

[mag′ned·ik ′mīn]
(ordnance)
An underwater mine intended to be detonated when the hull of a passing vessel causes a change in the magnetic field at the mine.
References in periodicals archive ?
The 700-tonne Stalheim had been delivering supplies for the war effort when it was holed by the blast from a magnetic mine off Port Talbot on July 31, 1940.
He was credited with helping to counter 'Hitler's Secret Weapon', a highly dangerous series of magnetic mines, and was the first naval officer ashore with the main liberation force at Jersey, re-taking the Channel Islands from the Germans in 1945.
It was designed as a magnetic mine for use against ships.
HMS Bronington is one of the last survivors of the Ton class of minesweepers and mine hunters which were planked in wood to avoid triggering magnetic mines.
They are much faster than ships and are effective against both acoustic and magnetic mines, which then are actuated.
Cool weapons like magnetic mines, "snowball" bombs, smart-bombs and boomerangs keep the action frantic, while a huge selection of collectibles will reveal secret levels, provide extra stunt-boosting energy and offer bonuses like temporary invulnerability.
Atherstone is a Hunt class ship and is one of the first in the world to be made of fibre-reinforced plastic to reduce her vulnerability to magnetic mines.