echo sounder
noun
: an instrument for determining the depth of a body of water or of an object below the surface by sound waves
Example Sentences
Recent Examples on the Web Then the vessel’s echo sounder, a system that maps out the seafloor using sound waves, detected an underwater volcano measuring about 1.2 cubic miles, Live Science reports. 
Elizabeth Gamillo, Smithsonian Magazine, 22 Oct. 2021 Using echo sounder data, the vehicles created high resolution images of the seafloor. Ula Chrobak, Popular Science, 8 June 2020 Vescovo would have to buy a multibeam echo sounder, an advanced sonar mapping system, to determine precise depths and dive locations. Ben Taub, The New Yorker, 10 May 2020 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, 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, 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, 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, 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, 20 Mar. 2018 See More
Elizabeth Gamillo, Smithsonian Magazine, 22 Oct. 2021 Using echo sounder data, the vehicles created high resolution images of the seafloor. Ula Chrobak, Popular Science, 8 June 2020 Vescovo would have to buy a multibeam echo sounder, an advanced sonar mapping system, to determine precise depths and dive locations. Ben Taub, The New Yorker, 10 May 2020 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, 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, 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, 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, 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, 20 Mar. 2018 See More Word History
First Known Use
1927, in the meaning defined above