Definition of ASDIC in English:


Syllabification: ASDIC
Pronunciation: /ˈazˌdik


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.


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

More definitions of ASDIC

Definition of ASDIC in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody