side-scan sonar

noun
\ ˈsīd-ˌskan- How to pronounce side-scan sonar (audio) \

Definition of side-scan sonar

: a sonar that scans the ocean floor to the side of a ship's track and is used especially for mapping the ocean bottom

Examples of side-scan sonar in a Sentence

Recent Examples on the Web The craft will be outfitted with a 1,000-gallon-per-minute pump for firefighting and side-scan sonar for search-and-recovery efforts. John Delapp, Houston Chronicle, "League City to get beefed-up fireboat," 11 Aug. 2020 The side-scan sonar allows crews to target, and search for, objects with a specific size profile, Ventura County Sheriff's Sgt. Morgan Hines, USA TODAY, "Search for Naya Rivera continues: Authorities use sonar to navigate murky waters," 12 July 2020 The advent of side-scanning sonar kicked the bream-bed search protocol into a high-tech gear. T. Edward Nickens, Field & Stream, "How to Fish for Trophy Panfish on a Spawning Bed," 19 Mar. 2020 The vehicle uses a side-scan sonar which records a specific search area of the ocean floor. Alaa Elassar, CNN, "Researchers discover Japanese carrier from the World War II Battle of Midway," 21 Oct. 2019 After hours of searching the seafloor with side-scan sonar, Kogvik and his colleagues found Terror, about 80 feet underwater. National Geographic, "In 1845 explorers sought the Northwest Passage—then vanished," 8 Aug. 2019 Around the same time, Mr. Lawton asked Garry Kozak, an expert in the use of side-scan sonar, for his help in the search. Neil Vigdor, New York Times, "U.S. Ship Sunk in World War II by German Sub Is Found Off Maine Coast," 19 July 2019 To win the contest, GEBCO-NF equipped its AUV with a multi-beam echo sounder, a kind of sonar ideal for mapping the seabed, and a side-scan sonar unit, a scanner with the ability to swiftly produce large images of the seafloor. Stav Dimitropoulos, Popular Mechanics, "Meet the Machines That Could Unlock the Ocean's Deepest Secrets," 11 June 2019 The five AUVs used in the search are equipped with side-scan sonar, multi-beam echo-sounder for seabed mapping, an HD camera, and synthetic aperture sonar. Sean Gallagher, Ars Technica, "Doomed Argentine sub found a year after its disappearance," 19 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'side-scan sonar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of side-scan sonar

1967, in the meaning defined above

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The first known use of side-scan sonar was in 1967

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Last Updated

20 Aug 2020

Cite this Entry

“Side-scan sonar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/side-scan%20sonar. Accessed 1 Oct. 2020.

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