Tidal-datum
noun
1.
(in a hydrographic survey) a curved surface representing one phase of a tide, usually mean low water, taken as a datum level.
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- Tidal energy
noun 1. energy obtained by harnessing tidal power
- Tidal-flat
noun 1. tideland that is flat or nearly flat and often muddy or marshy. tidal flat A nearly flat coastal area that is alternately covered and exposed by tides and consisting of unconsolidated sediments and precipitated salts. A tidal flat is the middle part of a tidal basin, below the vegetation-supporting salt marsh and the […]
- Tidal-force
noun 1. the gravitational pull exerted by a celestial body that raises the tides on another body within the gravitational field, dependent on the varying distance between the bodies. tidal force A secondary effect of the gravitational forces between two objects orbiting each other, such as the Earth and the Moon, that tends to elongate […]
- Tidal-light
noun 1. a light placed at the entrance of a harbor to indicate the depth of the water and the direction of tidal flow.