Amphidromic

/ˌæmfɪˈdrɑːmɪk/ adjective

Definition

Relating to or characterized by movement or flow in opposite directions simultaneously.

Etymology

From Greek 'amphi-' (both) and 'dromos' (running). Used in modern oceanography and physics to describe tidal or wave patterns.

Kelly Says

Amphidromic tidal systems create 'amphidromic points' in oceans where the tide doesn't rise and fall—instead water rotates around these points like water swirling around a drain, which is why some harbors experience oddly timed tides.

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