fathometer fathometer


  • (n) depth finder for determining depth of water or a submerged object by means of ultrasound waves


  • No leadsman need stand in the bow to take soundings, for the navigator has an acoustic-electric fathometer to tell him, at the press of a button, how much water is beneath the .


  • "As we approached the bottom, we pretty well knew what the water depth was. And when we got to about 35,000 feet, I turned on the fathometer, which would allow us to get a trace or a printout on a chart that shows you the bottom coming up,"...
    on Apr 18, 2010 By: Don Walsh Source: NPR

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tacit tacit
/ˈtæ sɪt /