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What is Oceanography?

Our Related Definition:

"Ocean Conservancy Day

  • This is not YET a real awareness day, but is very important, as more than 90% of Earth’s water is found in the form of salt water in the oceans.

  • The oceans cover more than 70% of the Earth’s surface.

  • We know more about all of outer space than we do about our own oceans.

  • The deepest part of all the oceans, the Marianna Trench, is 5 Empire State Buildings (more than a mile) deeper than Mount Everest is tall.

  • We’re almost constantly discovering new species living in the depths of our oceans.

  • The algae (including almost all forms of sea weed) in the oceans provide approximately 70% of the Oxygen on Earth.

  • The oceans provide a steady climate on Earth.

  • There are many, many more reasons!!!"  - Nikki Arm - Girls Love STEAM

Other Definitions:




  1. the branch of science that deals with the physical and biological properties and phenomena of the sea.  (Google).




noun: ocean; plural noun: oceans

  1. a very large expanse of sea, in particular, each of the main areas into which the sea is divided geographically." (Google).

  2. the vast body of salt water that covers almost three fourths of the earth's surface.

  3. any of the geographical divisions of this body, commonly given as the Atlantic, Pacific, Indian, Arctic, and Antarctic oceans.

  4. a vast expanse or quantity: an ocean of grass." (

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