[ oh-shuh-nog-ruh-fee, oh-shee-uh- ]
See synonyms for: oceanographyoceanographic on Thesaurus.com

  1. the branch of physical geography dealing with the ocean.

Origin of oceanography

First recorded in 1855–60; ocean + -o- + -graphy

Other words from oceanography

  • o·cea·nog·ra·pher, noun
  • o·cea·no·graph·ic [oh-shuh-nuh-graf-ik], /ˌoʊ ʃə nəˈgræf ɪk/, o·cea·no·graph·i·cal, adjective
  • o·cea·no·graph·i·cal·ly, adverb

Words Nearby oceanography

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use oceanography in a sentence

British Dictionary definitions for oceanography


/ (ˌəʊʃəˈnɒɡrəfɪ, ˌəʊʃɪə-) /

  1. the branch of science dealing with the physical, chemical, geological, and biological features of the oceans and ocean basins

Derived forms of oceanography

  • oceanographer, noun
  • oceanographic (ˌəʊʃənəˈɡræfɪk, ˌəʊʃɪə-) or 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

Scientific definitions for oceanography


[ ō′shə-nŏgrə-fē ]

  1. 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.