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English definition of “ocean”

ocean

noun uk   /ˈəʊ.ʃən/ us    /ˈoʊ-/
A2 [S] a very large area of sea: These mysterious creatures live at the bottom of the ocean.Seas and oceans [C] used in the name of each of the world's five main areas of sea: the Atlantic/Pacific/Indian/Arctic/Antarctic OceanSeas and oceans
(Definition of ocean from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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