"mediterranean sea : (oceanography) A mostly enclosed sea that has limited exchange of deep water..."

“mediterranean sea : (oceanography) A mostly enclosed sea that has limited exchange of deep water with outer oceans, and where the water circulation is dominated by salinity and temperature differences rather than winds.
Today is World Oceans Day, a day recognized by the United Nations to highlight the importance of conserving and protecting the world’s oceans.”

- https://en.wiktionary.org/wiki/mediterranean_sea#English

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