Definitions for "Tides"
Keywords:  gravitational, lunar, moon, ocean, rise
The rise and fall of ocean waters. There are two tides of interest to mariners: the ebb tide sailors encounter as they attempt to enter port and the flood tide they experience as they try to leave.
Periodic movement of water resulting from gravitational attraction between the earth, sun, and moon.
periodic movement (raising and lowering) of a body of water by the gravitational attraction of the moon and sun with the rotation of the earth
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