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hydrography

[ 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.


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
“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

/ hī-drŏgrə-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.
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Derived Forms

  • hyˈdrographer, noun
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Other Words From

  • hy·drogra·pher noun
  • hy·dro·graph·ic [hahy-dr, uh, -, graf, -ik], hydro·graphi·cal adjective
  • hydro·graphi·cal·ly adverb
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Word History and Origins

Origin of hydrography1

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

They used AI-generated headshots as profile pictures and posed as “news editors, a former aviation engineer, and an author of a scientific publication on hydrography.”

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

State boundaries and hydrography data sourced from Natural Earth.

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

This group developed a science designed to show the dynamic interdependence of regions with wildly diverse topography, hydrography and vegetation.

From Nature

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hydrographichydroid