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1. (n.) sonar
a method for detecting and locating objects submerged in water by echolocation.
2. sonar
the apparatus used in sonar.
Etymology: (1940–45; so(und)na(vigation)r(anging))
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| Definition of 'sonar' |
Princeton's WordNet |
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1. (noun) sonar, echo sounder, asdic
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
"sonar is an acronym for sound navigation ranging"; "asdic is an acronym for antisubmarine detection investigation committee"
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| Definition of 'sonar' |
Dictionary of Military and Associated Terms |
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1. sonar
A sonic device used primarily for the detection and location of underwater objects. (This term is derived from the words
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Definitions of sonar 
