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[oh-shuh-nog-ruh-fee, oh-shee-uh-] /ˌoʊ ʃəˈnɒg rə fi, ˌoʊ ʃi ə-/
the branch of physical geography dealing with the ocean.
Origin of oceanography
First recorded in 1855-60; ocean + -o- + -graphy
Related forms
oceanographer, noun
[oh-shuh-nuh-graf-ik] /ˌoʊ ʃə nəˈgræf ɪk/ (Show IPA),
oceanographical, adjective
oceanographically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for oceanography


/ˌəʊʃəˈnɒɡrəfɪ; ˌəʊʃɪə-/
the branch of science dealing with the physical, chemical, geological, and biological features of the oceans and ocean basins
Derived Forms
oceanographer, noun
oceanographic (ˌəʊʃənəˈɡræfɪk; ˌəʊʃɪə-), oceanographical, adjective
oceanographically, adverb
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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Contemporary definitions for oceanography
noun's 21st Century Lexicon
Copyright © 2003-2014, LLC
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Word Origin and History for oceanography

1859, coined in English from ocean + -graphy; on analogy of geography. French océanographie is attested from 1580s but is said to have been rare before 1876. Related: Oceanographic.

Online Etymology Dictionary, © 2010 Douglas Harper
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oceanography in Science
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. Also called oceanology.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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