- a brand of sonic depth finder.
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Examples from the Web for fathometer
Fathometer soundings showed it was on a steep upward slope of the continental shelf.Tom Swift and the Electronic Hydrolung
- trademark a type of echo sounder used for measuring the depth of water
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012