echo sounder

noun

Definition of echo sounder

: an instrument for determining the depth of a body of water or of an object below the surface by sound waves

Examples of echo sounder in a Sentence

Recent Examples on the Web

Using an echo sounder to guide its way through the depths, Boaty went down around 13,123 feet (4,000 meters) on this particular mission. David Grossman, Popular Mechanics, "Boaty McBoatface Is Now Studying Global Warming," 18 June 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 During the war, the U.S. Navy developed new technology like sonar and echo sounding to hunt for German submarines. Meg Neal, Popular Mechanics, "We’ve Been Wrong Before: The Expanding Earth Theory," 3 Aug. 2018 Part of what makes these loft apartments seem cold is the echoing sound, so soft materials would absorb noise for a quieter environment. Jennifer Adams, Philly.com, "Ask Jennifer Adams: Carpet or concrete for an apartment?," 3 May 2018 The 25-second clip of RM's song revealed an ambient hip-hop track laden with his mellow tone and echoing sound effects. Tamar Herman, Billboard, "RM of BTS Announces Plans for Second Mixtape 'RM 2'," 20 Mar. 2018 The search team included maritime surveyors, marine archaeologists and naval historians who used an echo sounder and underwater drone to scour the area. Judith Vonberg, CNN, "Australia's oldest submarine found after 103 years," 21 Dec. 2017 Last Sunday, the survey ship Fugro Equator used multi-beam echo sounder, side-scan sonar and an underwater drone to survey the seabed, locating an object of interest. Jason Daley, Smithsonian, "After Mysteriously Disappearing in WWI, Australia’s First Submarine Finally Found," 22 Dec. 2017 The team of maritime surveyors, marine archaeologists and naval historians used a multi-beam echo sounder and side-scan technology in an underwater drone flying 40 meters above the seabed to scour the area. Judith Vonberg, CNN, "Australia's oldest submarine found after 103 years," 21 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'echo sounder.' 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 echo sounder

1927, in the meaning defined above

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The first known use of echo sounder was in 1927

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