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asdic

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.01 sec.
asdic [′az‚dik]
(electronics)
British term for sonar and underwater listening devices. Derived from Anti-Submarine Detection Investigation Committee.


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These were used alongside radar and the improved Asdic equipment to more efficiently detect U-boats.
The present ones are obsolete on the basis that they are vulnerable to sonar and Asdic resources and even radar and aircraft.
HMS Lark, a sloop of the modified Black Swan class, picked up the unmistakable Asdic trace (Asdic being powerful sonar) of a U-boat while we were patrolling near Murmansk.
 
 
 
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