oceanography
noun/ˌoʊʃəˈnɑɡrəfi/
Frequency rank: #14,777 most common English word
Meaning
The scientific study of the ocean, including its physical, chemical, and biological aspects.

Example sentence
She decided to study oceanography at university because she was fascinated by deep-sea creatures.
Synonyms & related words
- oceanology
- hydrography
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