Jisho

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Noun, Noun which may take the genitive case particle 'no'
1. ocean
Wikipedia definition
2. OceanAn ocean is a body of saline water that composes a large part of a planet's hydrosphere. In the context of Earth, it also refers to major divisions of the planet's World Ocean, such as the Atlantic Ocean. The word "sea" is often used interchangeably with "ocean", but a sea is a body of saline water (possibly a division of the World Ocean) in a more inland location. Earth's global ocean is the largest confirmed surface ocean on all observable planets.
Read “Ocean” on English Wikipedia
Read “大洋” on Japanese Wikipedia
Read “Ocean” on DBpedia

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