oceanography
Americannoun
noun
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The scientific study of oceans, the life that inhabits them, and their physical characteristics, including the depth and extent of ocean waters, their movement and chemical makeup, and the topography and composition of the ocean floors. Oceanography also includes ocean exploration.
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Also called oceanology
Other Word Forms
Etymology
Origin of oceanography
Explanation
Oceanography is the scientific study of the ocean. If you're interested in biology, physics, and sea creatures, you might want to study oceanography. Another way to say oceanography is "marine science." Scientists who specialize in oceanography are called oceanographers, and they focus on specific aspects of the sea which might include the physics of waves and currents or the biology of marine animals and plants. The word oceanography was coined in the mid-1800s, modeled on geography, from ocean and -graphy, "the process of writing or recording."
Vocabulary lists containing oceanography
Earth Science - Middle School
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Earth Science - High School
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Earth Science - Introductory
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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.
"So we can help the police with the oceanography to look at the tidal flows, the weather conditions from the time... and try and work out where best to start the search."
From BBC ● Apr. 29, 2026
To tackle these questions, researchers combined expertise from multiple fields, including genetics, archaeology, earth science, and oceanography.
From Science Daily ● Apr. 9, 2026
The data gathered in the program applies to ecology, weather, oceanography, soil science, biology and satellite calibration/validation research.
From Los Angeles Times ● Jun. 27, 2025
This is "a very clear signature and footprint of a classic Amoc slowdown" says Matthew England, professor of oceanography at the University of South Wales.
From BBC ● Jan. 31, 2025
Thanks to him," Novoa proceeded, "oceanography, which scarcely amounted to anything, has become to-day an important study.
From The Enemies of Women (Los enemigos de la mujer) by Vicente Blasco Ib??ez
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
