bn:00006301n
Noun Concept
Categories: Articles with short description, 20th-century inventions, Sonar, French inventions, All articles with vague or ambiguous time
EN
sonar  asdic  echo sounder
EN
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 3.0
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EN
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 3.0 & WordNet 2020
Sonar is a technique that uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels. Wikipedia
An underwater device which emitts a ping and is used in submarine warfare. Wikipedia Disambiguation
Technique that uses sound propagation Wikidata
A sonar device used for echo sounding. Wiktionary
A device that uses hydrophones (in the same manner as radar) to locate objects underwater. Wiktionary
EN
Sonar is an acronym for sound navigation ranging WordNet 3.0
Asdic is an acronym for antisubmarine detection investigation committee WordNet 3.0