amphidromic point

[ am-fi-drom-ik, am- ]

noun

, Oceanography.

1. a point of almost zero tidal fluctuation on the ocean surface, represented on a chart of cotidal lines by a point from which these lines radiate.

Word History and Origins

Origin of amphidromic point¹

1935–40; < Greek amphídrom ( os ) running both ways + -ic; amphi-, -drome

Example Sentences

Near an amphidromic point, the tide moves in a big circle.

From Scientific American