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asdic

American  
[az-dik] / ˈæz dɪk /

noun

British.
  1. sonar.


asdic British  
/ ˈæzdɪk /

noun

  1. an early form of sonar

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of asdic

1935–40; A(nti-)S(ubmarine) D(etection) I(nvestigation) C(ommittee)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

With Asdic the harpoon-gunners hoped to follow a sounding whale on his deep dive under the sea, and to be waiting for him when he came up to blow.

From Time Magazine Archive

The failure of Asdic and radar was probably all to the good, for the trouble with whaling before the war was its success, which threatened to exterminate whales in every ocean.

From Time Magazine Archive

La Sibylle submerged, and surface ships of the French Mediterranean Squadron followed her course on Asdic detectors for an hour.

From Time Magazine Archive