hydrophone
noun
hy·dro·phone
ˈhī-drə-ˌfōn 
: an instrument for listening to sound transmitted through water
Examples of hydrophone in a Sentence
Recent Examples on the Web
Though light levels are low at those depths, Fortune said cameras picked up the killer whales catching salmon, with clouds of blood billowing from their mouths, and hydrophones picked up the crunch of a kill.
—
Katie Hunt, CNN Money, 15 Dec. 2025
The Pacific Storm research vessel played a key role in the success, providing hydrophones to detect underwater whale calls.
—Kelli Bender, PEOPLE, 21 Nov. 2025
When listening to the echolocation clicks recorded on the hydrophone as the whales intercepted a squid, the team estimated that the mammals eat roughly four squid per dive.
—Laura Baisas, Popular Science, 13 Nov. 2025
The buoys drifted for hours or days before the scientists went back in search of their equipment, with their fingers crossed the hydrophones and their data were floating close by and intact.
—Ellie Cook, MSNBC Newsweek, 20 Aug. 2025
See All Example Sentences for hydrophone
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Katie Hunt, CNN Money, 15 Dec. 2025
The Pacific Storm research vessel played a key role in the success, providing hydrophones to detect underwater whale calls.
—Kelli Bender, PEOPLE, 21 Nov. 2025
When listening to the echolocation clicks recorded on the hydrophone as the whales intercepted a squid, the team estimated that the mammals eat roughly four squid per dive.
—Laura Baisas, Popular Science, 13 Nov. 2025
The buoys drifted for hours or days before the scientists went back in search of their equipment, with their fingers crossed the hydrophones and their data were floating close by and intact.
—Ellie Cook, MSNBC Newsweek, 20 Aug. 2025
See All Example Sentences for hydrophone
Cite this Entry
“Hydrophone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrophone. Accessed 21 Dec. 2025.
Copy CitationKids Definition
hydrophone
noun
hy·dro·phone
ˈhī-drə-ˌfōn
: an instrument for listening to sound transmitted through water
Love words? Need even more definitions?
Merriam-Webster unabridged
Share