Hi, In a post named "The classification of words and the article attached (), Aperisic said water is uncountable but the plural "waters" can be used to mean among others he listed, a type of mineral waters, all rivers that flow into a large river or cover certain regions, and drops, Yes. In particular, I'd say the word 'waters' is often used to refer to 'the waters of an ocean'. eg The Iranian govt.
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