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bathymetry

[buh-thim-i-tree] /bəˈθɪm ɪ tri/
noun
1.
the measurement of the depths of oceans, seas, or other large bodies of water.
2.
the data derived from such measurement, especially as compiled in a topographic map.
Origin
1860-1865
1860-65; bathy- + -metry
Related forms
bathymeter, noun
bathymetric
[bath-uh-me-trik] /ˌbæθ əˈmɛ trɪk/ (Show IPA),
bathymetrical, adjective
bathymetrically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for bathymeter

bathymetry

/bəˈθɪmɪtrɪ/
noun
1.
measurement of the depth of an ocean or other large body of water
Derived Forms
bathymetric (ˌbæθɪˈmɛtrɪk) adjective
bathymetrically, adverb
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
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bathymeter in Science
bathymetry
  (bə-thĭm'ĭ-trē)   
The measurement of the depth of bodies of water, particularly of oceans and seas.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for bathymeter

bathymetry

measurement of ocean depth. The earliest technique involved lowering a heavy rope or cable of known length over the side of a ship, then measuring the amount needed to reach the bottom. Tedious and frequently inaccurate, this method yielded the depth at only a single point rather than a continuous measurement; inaccuracies arose because the rope did not necessarily travel straight to the bottom but instead might be deflected by subsurface currents or movements of the vessel.

Learn more about bathymetry with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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