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hydrography

American  
[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.


hydrography British  
/ 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

"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

hydrography Scientific  
/ 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.


Other Word Forms


Etymology

Origin of hydrography

First recorded in 1550–60; hydro- 1 + -graphy


Vocabulary lists containing hydrography

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“Information on long-term past changes in Arctic Ocean hydrography are needed, and long overdue,” Dr. Ezat wrote in an email.

From New York Times ● Nov. 27, 2021

This contained instructions for observation in a dizzying range of new disciplines — a scientific A–Z from astronomy to zoology, by way of botany, geology, hydrography, magnetism, mineralogy, statistics and tides.

From Nature ● Dec. 18, 2018

As the planet teems with more and more humanity, his work, with its multiple disciplines—including history, sociology, engineering, botany, geology, hydrography and, above all, architecture—is becoming more and more a pressing necessity.

From Time Magazine Archive

It is compounded of the elements of speed, radius, and the ability to operate under imposed conditions of weather, visibility, hydrography, and other possible obstacles to certain and free movement.

From Sound Military Decision by Edward C. (Edward Clifford) Kalbfus

Rivers and Lakes.—The hydrography of Argentina is of the simplest character.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" by Various

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