from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun depth finder for determining depth of water or a submerged object by means of ultrasound waves


Sorry, no etymologies found.


  • However this was impossible since the Fathometer concurrently indicated that the ground level was almost 2,000 meters deep.

    False Front

  • Fathometer soundings showed it was on a steep upward slope of the continental shelf.

    Tom Swift and the Electronic Hydrolung

  • 1928 - Fathometer, which measures underwater depth, patented


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