Definition of ASDIC in English:

ASDIC

Syllabification: ASDIC
Pronunciation: /ˈazˌdik
 
/

noun

chiefly British
  • An early form of sonar used to detect submarines.
    More example sentences
    • The second Netherlands submarine, K.XI, arrived in Fremantle on March 22, 1945 after spending most of the war as an asdic training submarine for the British and Indian navies.
    • Intent on getting a definite asdic signal before asking for air support, Jakey steered nearer to the Island.
    • The creeping attack insured that the first assault would come without warning because the enemy would not pick up the asdic of the first ship right above her.

Origin

World War I: acronym from Allied Submarine Detection Investigation Committee.

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