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 Several whale-watching tours use hydrophones to allow visitors to listen to the whales and their underwater noises. Bharbi Hazarika, Los Angeles Times, "That young humpback whale that turned up in Hawaii? It was, well, a fluke," 10 Oct. 2019 The hydrophone screeched whenever a message came in. The Economist, "The last of the great explorers," 6 Sep. 2019 Dropping a hydrophone in the water is a passive approach. Rebecca Asoulin, The Christian Science Monitor, "Wait, fish make noise? Meet the ‘fish listeners.’ (audio)," 29 Aug. 2019 Researchers will use some combination of hydrophones, sonar, cameras and other sensors to study and record the organisms’ behavior. Allie Wilkinson, Scientific American, "Military Tries Out Fish as Underwater Spies," 29 Mar. 2019 Amidst a group of 30 or so whales, vocalization expert Rebecca Wellard towed a hydrophone behind the boat to record Type D calls. David Grossman, Popular Mechanics, "Scientists Spot Mysterious Unknown Breed of Killer Whales," 8 Mar. 2019 Cameras mounted on the hydrophone captured pictures of the rare whales. David Grossman, Popular Mechanics, "Scientists Spot Mysterious Unknown Breed of Killer Whales," 8 Mar. 2019 This includes: kayaks, Zodiacs and glass-bottom boats; scuba and snorkeling gear; video cameras for recording encounters with whale sharks; and hydrophones for listening to whales. Mark Childress, WSJ, "The Debate Over Cruise Vacations: Wonderful or Torturous?," 14 Aug. 2018 Qin allegedly falsely claimed the equipment — 78 hydrophones worth more than $100,000 — was intended for a Chinese university and filed falsified documents to bypass federal controls, authorities allege. John R. Ellement, BostonGlobe.com, "Wellesley man arrested in alleged export plot tied to marine equipment," 6 July 2018

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

Time Traveler

The first known use of hydrophone was in 1860

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Statistics for hydrophone

Last Updated

20 Nov 2019

Cite this Entry

“Hydrophone.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/hydrophone. Accessed 6 December 2019.

More from Merriam-Webster on hydrophone

Rhyming Dictionary: Words that rhyme with hydrophone

Britannica.com: Encyclopedia article about hydrophone

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