hy·​dro·​phone | \ ˈhī-drə-ˌfōn How to pronounce hydrophone (audio) \

Definition of hydrophone

: an instrument for listening to sound transmitted through water

Examples of hydrophone in a Sentence

Recent Examples on the Web Daphne also tows a hydrophone to collect corroborating audio, such as the whine of a hydraulic winch hoisting a fishing net. Vanessa Minke-martin, Smithsonian Magazine, "A New Generation of Autonomous Vessels Is Looking to Catch Illegal Fishers," 19 Nov. 2020 During the summer, the songs picked up by the hydrophone took place mostly at night. Kate Baggaley, Popular Science, "We can protect whales from ship strikes by translating their songs," 2 Oct. 2020 Floating near the shipping lanes of the Santa Barbara Channel, the buoy is attached to an underwater microphone, known as a hydrophone, positioned 200 meters deep on the seafloor. Matt Simon, Wired, "Want to Save the Whales? Eavesdrop on Their Calls," 17 Sep. 2020 Castellote uses hydrophone systems to study beluga populations in Alaska’s Cook Inlet, trying to determine whether chronic, low-level noise affects the animals’ ability to hunt, mate and survive birth and infancy. Christina Couch, Smithsonian Magazine, "The COVID-19 Slowdown Will Show Whether Quieter Seas Help Killer Whales," 29 June 2020 Using a hydrophone to record audio underwater and a video camera up above, researchers simultaneously caught the screeching Navy sonar down below and the disturbed and erratic behavior of the Southern Residents at the surface. Jeff Berardelli, CBS News, "Endangered orcas at risk from U.S. Navy, activists warn," 31 July 2020 In August 2019, the team crisscrossed a 200-nautical-mile stretch of Bering Sea that is the whales’ critical habitat, running the boat’s hydrophone in hopes of hearing what Peggy had. Heather Hansman, Outside Online, "Searching for the World's Most Endangered Whale," 27 Apr. 2020 After the earthquake, the team used directional hydrophones to tune into the cetaceans' sounds, and then traveled to the source in their boat. National Geographic, "Earthquakes can make it harder for whales to find food, first-ever study says," 31 Jan. 2020 Several different methods are being evaluated in deterring the migration of silver carp, Nichols said, including electronic barriers and large hydrophones to scare the fish away from the locks. Frank Sargeant, al, "Warning to anglers: Invasive carp moving up Tennessee River," 22 Jan. 2020

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

1860, in the meaning defined above

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Time Traveler for hydrophone

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The first known use of hydrophone was in 1860

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Last Updated

21 Dec 2020

Cite this Entry

“Hydrophone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrophone. Accessed 19 Jan. 2021.

More from Merriam-Webster on hydrophone

Britannica.com: Encyclopedia article about hydrophone

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