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Definition of Sonar
1. Noun. 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. "Asdic is an acronym for antisubmarine detection investigation committee"
Exact synonyms: Asdic, Echo Sounder
Generic synonyms: Measuring Device, Measuring Instrument, Measuring System, Navigational Instrument
Terms within: Pinger, Pulse Generator
Group relationships: Pigboat, Sub, Submarine, U-boat
Generic synonyms: Measuring Device, Measuring Instrument, Measuring System, Navigational Instrument
Terms within: Pinger, Pulse Generator
Group relationships: Pigboat, Sub, Submarine, U-boat
Definition of Sonar
1. Noun. (nautical) echolocation ¹
2. Noun. (nautical) A device that uses hydrophones (in the same manner as radar) to locate objects underwater. ¹
¹ Source: wiktionary.com
Definition of Sonar
1. an underwater locating device [n -S]
Lexicographical Neighbors of Sonar
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