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ocean
/ˈəʊ.ʃən/
/ˈoʊ.ʃən/
noun
One of the large bodies of water separating the continents.
Water belonging to an ocean.
The island is surrounded by ocean
An immense expanse; any vast space or quantity without apparent limits.
an ocean of affairs
A blue colour, like that of the ocean (also called ocean blue).