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Asdic
//ˈæzdɪk// noun
Definitions
Noun
- 1 Sonar. historical, uncountable
- 2 a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return wordnet
Etymology
Former codename during development, from ASD (Anti-Submarine Division). Sometimes erroneously explained as "Allied Submarine Detection Investigation Committee".
See also for "asdic"
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