sonic depth finder


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sonic depth finder

n
(Navigation) an instrument for detecting the depth of water or of a submerged object by means of sound waves; Fathometer. See also sonar
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Noun1.sonic depth finder - depth finder for determining depth of water or a submerged object by means of ultrasound waves
depth finder - navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)
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References in periodicals archive ?
Sunday: A sonic depth finder on the Pyotr Veliky cruiser locates the submarine.