Japan current. A branch of the equatorial current of the Pacific, washing the eastern coast of Formosa and thence flowing northeastward past Japan and merging into the easterly drift of the North Pacific; -- called also Kuro-Siwo, or Black Stream, in allusion to the deep blue of its water. It is similar in may ways to the Gulf Stream.
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  Japan current
       n : a warm ocean current that flows northeastwardly off the
           coast of Japan into the northern Pacific ocean [syn: Kuroshio
           current, Kuroshio]