sonic depth finder

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

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Noun

1.

sonic depth finder - depth finder for determining depth of water or a submerged object by means of ultrasound waves fathometer depth finder - navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)

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