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echo sounder

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for echo sounder
  • Our first hint that active venting is occurring comes from the ship's echo sounder.
  • The echo sounder emits pulses of sound that are reflected off the lake bottom and then received by a transducer.
  • The echo sounder emits sound pulses that are reflected off the lake bottom and received by a transducer.
  • The echo sounder emits pulses of sound that are reflected off the lake bottom and received by a transducer.
  • In general, water depth measurements are collected using an echo sounder.
  • Today, scientist find the depth of water by using an echo sounder.
British Dictionary definitions for echo sounder

echo sounder

noun
1.
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
Derived Forms
echo sounding, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for echo sounder

device used on ships to determine the depth of water by measuring the time it takes a sound (sonic pulse) produced just below the water surface to return, or echo, from the bottom of the body of water. Sonic depth finders are in operation on practically every important class of ship, naval and merchant, and are also used on small craft.

Learn more about echo sounder with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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