sondör

listen to the pronunciation of sondör
Турецкий язык - Английский Язык
fathometer
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.

{i} instrument for measuring underwater depth using sound, sonic depth finder
sondör
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