sonic depth finder


noun

a sonar instrument that uses echolocation to measure depths under water.

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Also called echo sounder .
Compare Fathometer.

Origin of sonic depth finder

First recorded in 1925–30

Words nearby sonic depth finder

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for sonic depth finder

sonic depth finder

noun

an instrument for detecting the depth of water or of a submerged object by means of sound waves; FathometerSee also sonar
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