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asdic

American

[az-dik] / ˈæz dɪk /

noun

British.

sonar.

asdic British

/ ˈæzdɪk /

noun

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

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It was being converted into classrooms for 700 reservists and housed an estimated half a million dollars worth of hush-hush asdic, radio and radar equipment.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023