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echo sounder

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
echo sounder
n.
A device for measuring depth of water by sending pressure waves down from the surface and recording the time until the echo returns from the bottom.

echo sounder
n
(Physics / General Physics) a navigation and position-finding device that determines depth by measuring the time taken for a pulse of high-frequency sound to reach the sea bed or a submerged object and for the echo to return
echo sounding  n
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.echo sounderecho sounder - 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"
measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something
navigational instrument - an instrument used for navigating
pinger - a pulse generator used for echo sounding in sonar
pulse generator - a generator of single or multiple voltage pulses; usually adjustable for pulse rate
pigboat, submarine, U-boat, sub - a submersible warship usually armed with torpedoes
Translations
echo sounder necoscandaglio
echo sounder necoscandaglio


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? Mentioned in ? References in periodicals archive
 
As the low, green islands began to take shape, the echo sounder, which had been showing the same number all morning, came alarmingly to life, going from 15 feet to nearly zero in a few seconds.
``Surely we could motor slowly in, keeping a close eye on the echo sounder,'' urged the wife, who had her heart set on a nice dinner at a harborside cafe.
Based on Seahawk's navigation, the wreck was found using the ship's echo sounder within minutes of arriving at the location.
 
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