Echo Sounder (Noun)
Meaning
A measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return; "sonar is an acronym for sound navigation ranging"; "asdic is an acronym for antisubmarine detection investigation committee".
Classification
Nouns denoting man-made objects.
Examples
- The fisherman used an echo sounder to determine the depth of the water and locate schools of fish.
- The echo sounder on the submarine was used to navigate through the dark waters and avoid collision with underwater obstacles.
- The research team employed an echo sounder to map the seafloor and study the marine ecosystem.
- The captain relied on the echo sounder to guide the ship through the shallow waters and avoid running aground.
- The echo sounder was an essential tool for the marine archaeologists to locate and excavate the ancient shipwreck.