/ Dictionary / Index A amphidromic point: Meaning and Definition of Find definitions for: am'phi•drom'ic point' Pronunciation: (am'fi-drom'ik, am"-), [key] — Oceanog. Oceanog. 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. amphidromia amphigenous Related Content Daily Word Quiz: topography Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language