fathometer en · NOUN
Etymology
From fathom (“nautical length measurement used for depth”) + -meter.
Meanings
-
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.
1977, Richard O'Kane, Clear the Bridge: The War Patrols of the U.S.S. Tang, Ballantine Books, published 2003, page 347:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| fathometers | Number=Plur | lexicographic |
Translations (4)
id fatometer (depth finder) · ms fatometer (depth finder) · fi kaiku (depth finder) · fi kaikuluotain (depth finder)