from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A device for measuring depth of water by sending pressure waves down from the surface and recording the time until the echo returns from the bottom.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A sonar device used for echo sounding
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
Sorry, no etymologies found.
Sorry, no example sentences found.