Tidal Wave

Science / Tides and Currents / Tidal Wave: A shallow water wave caused by the gravitational interactions between the Sun, Moon, and Earth. Essentially, high water is the crest of a tidal wave and low water, the trough. Tidal current is the horizontal component of the particulate motion, while tide is manifested by the vertical component. The observed tide and tidal current can be considered the result of the combination of several tidal waves, each of which may vary from nearly pure progressive to nearly pure standing and with differing periods, heights, phase relationships, and direction.

Other Words for Wave

Wave Adjective Synonyms: swell, undulation, billow, sea, heave, roller, whitecap, white horse, ripple, wavelet, breaker, comber
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Tidal Bore

Science / Tides and Currents / Tidal Bore: A tidal wave that propagates up a relatively shallow and sloping estuary or river with a steep wave front. The leading edge presents an abrupt rise in level, frequently with continuous breaking and of MORE

Tidal Current

Science / Geology / Tidal Current: A horizontal displacement of ocean water under the gravitational influence of Sun and Moon, causing the water to pile up against the coast at high tide and move outward at low tide. MORE

Long Period Waves

Science / Tides and Currents / Long Period Waves: Forced or free waves whose lengths are much longer than the water depth. See tidal wave and tsunami. MORE

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