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hydrography

[hahy-drog-ruh-fee] /haɪˈdrɒg rə fi/
noun
1.
the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
2.
those parts of a map, collectively, that represent surface waters.
Origin
1550-1560
1550-60; hydro-1 + -graphy
Related forms
hydrographer, noun
hydrographic
[hahy-druh-graf-ik] /ˌhaɪ drəˈgræf ɪk/ (Show IPA),
hydrographical, adjective
hydrographically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for hydrographical

hydrography

/haɪˈdrɒɡrəfɪ/
noun
1.
the study, surveying, and mapping of the oceans, seas, and rivers Compare hydrology
2.
the oceans, seas, and rivers as represented on a chart
Derived Forms
hydrographer, noun
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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Word Origin and History for hydrographical

hydrography

n.

1550s, from hydro- + -graphy. Related: Hydrographic

Online Etymology Dictionary, © 2010 Douglas Harper
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hydrographical in Science
hydrography
  (hī-drŏg'rə-fē)   
  1. The scientific description and analysis of the physical characteristics of Earth's surface waters, including temperature, salinity, oxygen saturation, and the chemical content of water. Oceanography (the study of saltwater bodies) and limnology (the study of freshwater bodies) are subsets of hydrography.

  2. The mapping of bodies of water.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for hydrographical

hydrography

the art and science of compiling and producing charts, or maps, of water-covered areas of the Earth's surface. A brief treatment of hydrography follows. For full treatment, see map and surveying: Hydrography.

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