Definition of hydrophone
: an instrument for listening to sound transmitted through water
Recent Examples of hydrophone from the Web
Then the researchers come back and beam a particular sound into the water that, when picked up by the pop-up’s hydrophone, causes the device to detach from its anchor and float to the surface.
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.
First Known Use of hydrophone
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