sonic depth finder

noun

Definition of sonic depth finder

: an instrument for determining the depth of a body of water or of an object below the surface by measuring the interval of time between the emission of a sound signal and the return of its echo from the bottom or the object

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Cite this Entry

“Sonic depth finder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sonic%20depth%20finder. Accessed 19 Sep. 2020.

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