fathometer

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English[edit]

Etymology[edit]

fathom (nautical length measurement used for depth) +‎ -meter

Noun[edit]

fathometer (plural fathometers)

  1. (nautical) A depth finder that uses sound waves to determine the depth of water.
    • 1977, Richard O'Kane, Clear the Bridge: The War Patrols of the U.S.S. Tang (Ballantine Books, 2003), page 347:
      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.

Translations[edit]