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 often immediately followed by several large undulations. An uncommon phenomenon, the tidal bore is usually associated with very large ranges in tide as well as wedge shaped and rapidly shoaling entrances. Also called eagre, eager (for Tsientan, China bore), mascaret (French), pororoca (Brazilian), and bore.
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Other Words for Bore

Bore Verb Synonyms: pierce, perforate, drill, penetrate, puncture, tap, punch, stab, prick, sink, tunnel, dig (out), gouge (out), hollow out
Bore Noun Synonyms: hole, drill-hole, borehole

Tidal Constants

Science / Tides and Currents / Tidal Constants: Tidal relations that remain practically constant for any particular locality. Tidal constants are classified as harmonic and non-harmonic. The harmonic constants consist of the amplitudes and epochs o 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

Tidal Characteristics

Science / Tides and Currents / Tidal Characteristics: Principally, those features relating to the time, range, and type of tide. MORE