A microphone which detects sound waves under water.
More example sentences
- The tag encodes the data as a series of ultrasonic pulses transmitted through the water column from a hydrophone and are decoded by a receiver on a ship.
- From seven boats, the scientists lowered hydrophones - underwater microphones - to a depth of about 1,500 feet.
- But most research to date has used underwater microphones, called hydrophones, to study the collection of sounds produced by various groups - not individuals.
Definition of hydrophone in:
- The US English dictionary