hydrophone
noun
hy·dro·phone ˈhī-drə-ˌfōn 
: an instrument for listening to sound transmitted through water
Example Sentences
Recent Examples on the Web Dangling from each buoy on a 100-meter line was a hydrophone to detect underwater sound. 
Claudia Geib, Smithsonian Magazine, 15 Aug. 2022 In 1998, scientists added a seismometer, a hydrophone, two pressure gauges, and other instruments to an obsolete cable that linked Hawaii and California, but the system failed after just five years. Jeffrey Marlow, The New Yorker, 26 July 2022 Knapp cut the engine, plugged a hydrophone into a pair of boat speakers, and dropped the device into the water. Dyllan Furness, Outside Online, 20 Aug. 2020 For example, a single hydrophone mounted on a pipe near the center of MAS pokes out from the bottom of the ship to listen for songs of marine mammals like whales and dolphins. Smithsonian Magazine, 2 Feb. 2022 Guests can spot whales, otters, bears, sea lions, deer, and eagles regularly, while the sounds from the fathoms below burble to the surface thanks to a shipboard hydrophone. Jeff Chu, Travel + Leisure, 15 Mar. 2022 For years, Bjorklund and his colleagues have used sonar transducers — like the one attached to the hydrophone — mounted on the Carson’s underside to detect and locate nearly 350 plumes of methane gas along the bottom of Puget Sound. Nicholas Turner, Anchorage Daily News, 17 Feb. 2022 The hydrophone used on the Carson covers an area roughly 25 meters wide. Nicholas Turner, Anchorage Daily News, 17 Feb. 2022 One is a hydrophone that will be used to listen continuously to sounds underwater, feeding the data to software that has been trained to identify whale songs. Jeremy Kahn, Fortune, 27 Nov. 2021 See More
Claudia Geib, Smithsonian Magazine, 15 Aug. 2022 In 1998, scientists added a seismometer, a hydrophone, two pressure gauges, and other instruments to an obsolete cable that linked Hawaii and California, but the system failed after just five years. Jeffrey Marlow, The New Yorker, 26 July 2022 Knapp cut the engine, plugged a hydrophone into a pair of boat speakers, and dropped the device into the water. Dyllan Furness, Outside Online, 20 Aug. 2020 For example, a single hydrophone mounted on a pipe near the center of MAS pokes out from the bottom of the ship to listen for songs of marine mammals like whales and dolphins. Smithsonian Magazine, 2 Feb. 2022 Guests can spot whales, otters, bears, sea lions, deer, and eagles regularly, while the sounds from the fathoms below burble to the surface thanks to a shipboard hydrophone. Jeff Chu, Travel + Leisure, 15 Mar. 2022 For years, Bjorklund and his colleagues have used sonar transducers — like the one attached to the hydrophone — mounted on the Carson’s underside to detect and locate nearly 350 plumes of methane gas along the bottom of Puget Sound. Nicholas Turner, Anchorage Daily News, 17 Feb. 2022 The hydrophone used on the Carson covers an area roughly 25 meters wide. Nicholas Turner, Anchorage Daily News, 17 Feb. 2022 One is a hydrophone that will be used to listen continuously to sounds underwater, feeding the data to software that has been trained to identify whale songs. Jeremy Kahn, Fortune, 27 Nov. 2021 See More Word History
First Known Use
1860, in the meaning defined above