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echo sounder
noun
: 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
The 1200 also had dimmable interior lights and even lights under the hull, along with an echo sounder for reading depths.
—Chloe Braithwaite, Robb Report, 2 May 2024
Over roughly 60,000 kilometers, researchers observed the mesopelagic zone by using echo sounders.
—WIRED, 9 Dec. 2023
That data was then compared with data from an echo sounder to confirm that the filmed fish were vertical migrants.
—WIRED, 9 Dec. 2023
Much like sonar scientists of the 1940s, Lauren Cook became interested in the mesopelagic through an echo sounder.
—WIRED, 9 Dec. 2023
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
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Word History
First Known Use
1927, in the meaning defined above
Dictionary Entries Near echo sounder
Cite this Entry
“Echo sounder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/echo%20sounder. Accessed 15 Nov. 2024.
Kids Definition
echo sounder
noun
: an instrument used to find out the depth of a body of water or of an object below the surface by means of sound waves
More from Merriam-Webster on echo sounder
Britannica.com: Encyclopedia article about echo sounder
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