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Fathometer
noun
Definitions
Noun
- 1 A depth finder that uses sound waves to determine the depth of water.
"A Fathometer is just a vertical echo-ranger; its pings would sound the same and could drive a submarine out of position just as effectively as horizontal echo-ranging and might even make a contact."
- 2 depth finder for determining depth of water or a submerged object by means of ultrasound waves wordnet
Etymology
From fathom (“nautical length measurement used for depth”) + -meter.
See also for "fathometer"
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