Definitions for Oceanographyˌoʊ ʃəˈnɒg rə fi, ˌoʊ ʃi ə-
Random House Webster's College Dictionary
o•cea•nog•ra•phyˌoʊ ʃəˈnɒg rə fi, ˌoʊ ʃi ə-(n.)
the branch of physical geography dealing with the ocean.
Origin of oceanography:
1855–60; < G Oceanographie, Ozeanographie; see ocean , -o -, -graphy
the branch of science dealing with physical and biological aspects of the oceans
The exploration and scientific study of the oceans and ocean floor.
Oceanography, also called oceanology or marine science, is the branch of Earth science that studies the ocean. It covers a wide range of topics, including marine organisms and ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamics; plate tectonics and the geology of the sea floor; and fluxes of various chemical substances and physical properties within the ocean and across its boundaries. These diverse topics reflect multiple disciplines that oceanographers blend to further knowledge of the world ocean and understanding of processes within it: biology, chemistry, geology, meteorology, and physics as well as geography.
U.S. National Library of Medicine
The science that deals with the ocean and its phenomena. (Webster, 3d ed)
Dictionary of Military and Associated Terms
The study of the sea, embracing and integrating all knowledge pertaining to the sea and its physical boundaries, the chemistry and physics of seawater, and marine biology. From a military perspective, oceanography includes basic oceanography plus the study of bathymetry, hydrography, geophysics, astrometry and precise time; supported by ocean engineering, operational supercomputing, and operations research.
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