hydrography

[hahy-drog-ruh-fee]

hy·drog·ra·phy

[hahy-drog-ruh-fee]
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:
1550–60; hydro-1 + -graphy

hy·drog·ra·pher, noun
hy·dro·graph·ic [hahy-druh-graf-ik] , hy·dro·graph·i·cal, adjective
hy·dro·graph·i·cal·ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Hydrography is always a great word to know.
So is zedonk. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
the offspring of a zebra and a donkey.
Collins
World English Dictionary
hydrography (haɪˈdrɒɡrəfɪ)
 
n
1.  Compare hydrology the study, surveying, and mapping of the oceans, seas, and rivers
2.  the oceans, seas, and rivers as represented on a chart
 
hy'drographer
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
hydrography   (hī-drŏg'rə-fē)  Pronunciation Key 
  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 Britannica
Encyclopedia

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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