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

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 The Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization, for example, maintains a global network of 11 stations that use hydrophones to listen for waves that might reveal an underground nuclear test. Bryn Nelson /, NBC News, "Our tsunami warning system is faulty. Can these scientists fix it?," 17 May 2018 Underwater noise recorded by the hydrophones – including whistles, pulsed calls and percussive sounds – indicated there was probably ramming happening beneath the surface as well, Towers said. Author: Amy B Wang, Anchorage Daily News, "‘Fascinated and horrified’ scientists watched as a killer whale drowned another’s newborn calf," 3 Apr. 2018 The scientists developed a new methodology that used hydrophones to count bowhead whales beneath the ice, rather than extrapolating the population based on a count of the visible bowheads passing by a single, ice-free locale. Krista Langlois, Smithsonian, "Why Scientists Are Starting to Care About Cultures Who Talk to Whales," 6 Apr. 2018 Elsewhere Winderen draws exclusively on sources from nature, such as the hydrophone recordings that constitute her 2016 piece The Wanderer, a 31-minute investigation of zooplankton and phytoplankton. Peter Margasak, Chicago Reader, "Norwegian artist Jana Winderen finds music hidden within natural sounds," 29 Mar. 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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Last Updated

27 Mar 2019

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Time Traveler for hydrophone

The first known use of hydrophone was in 1860

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Rhyming Dictionary: Words that rhyme with hydrophone

Britannica.com: Encyclopedia article about hydrophone

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to speak slightingly about or to degrade

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