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Tidal migration
Tidal migration is the gradual change in a body's orbit caused by tidal interactions, such as the Moon receding from Earth by 3.8 centimeters per year.
Tidal power
Tidal power, also called tidal energy, generates electricity from ocean tides or their currents using barrages and underwater turbines, and its output is predictable years in advance.
Tidal prism
The tidal prism is the volume of tidal water exchanged between an estuary and the sea over one tidal cycle, a central quantity in estuarine hydrodynamics.
Tidal radius
The tidal radius is the distance from a star cluster or satellite galaxy at which a larger host's tidal force exceeds the body's own gravity, stripping material beyond it.
Tidal range
Tidal range is the vertical difference in height between consecutive high and low tides at a location, varying from centimeters on lakes to 16 meters in Canadian bays.
Tidal stripping
Tidal stripping is the removal of material from a bound system, such as a satellite galaxy or moon, by the tidal force of the larger body it orbits.
Tidal tail
A tidal tail is a long streamer of gas and stars pulled out of a galaxy by tidal forces during a close encounter or merger with another galaxy.
Tidal tensor
The tidal tensor is the matrix of second derivatives of a gravitational potential, describing how gravity differs between neighboring points and stretches or squeezes bodies.
Tidal torque
Tidal torque is the torque exerted on a celestial body by a companion's gravity acting on its misaligned tidal bulge, governing tidal locking, orbital circularization, and despinning.
Tidal volume
Tidal volume (VT, TV) is the air moved in one normal breath, about 500 mL or 7 mL/kg ideal body weight in adults; a static lung volume in spirometry and, in ARDS ventilation, limited to 4–8 mL/kg predicted body weight.
Tidal water
Tidal water is water in a waterbody whose level fluctuates with the tide, covering brackish estuaries, tidal rivers, and tidal creeks, with salinity 0.5–35 ppt and classified circulation types.
Tidal Wave (해운대)
Tidal Wave (해운대, Haeundae) is a 2009 South Korean disaster film by Yoon Je-kyoon in which a mega-tsunami hits Busan's Haeundae beach; it drew 11.3 million admissions, the first Korean film past ten million since The Host.
Tidal Waves
Tidal waves: the very long-period ocean waves caused by the Moon's and Sun's gravity, seen as tides; also a common but incorrect name for tsunamis, which are unrelated to tides.
Tiddas
Tiddas is a traditional Moroccan two-player capturing board game with thirteen holes in a diamond shape and eleven pieces per side, documented by Lecreuil in 1908 and catalogued as a pending reconstruction in the Ludii Games Database.
Tiddlywinks
Tiddlywinks is a game for two to four players in which winks, small counters, are flicked into a pot with a larger disc called a squidger.
Tide
The tide is the periodic rise and fall of sea level, caused by the gravitational pull of the Moon and Sun, giving coasts two high waters most days.
Tide (brand)
Tide, also known as Tide detergent, is a Procter & Gamble laundry detergent launched in 1946 as the first heavy-duty synthetic detergent and the top seller in the US ever since.
Tide clock
A tide clock is a timepiece showing the local tide's state, rising, falling, high, or low; its hand turns once every 12 hours 25 minutes, half a lunar day.
Tide gauge
A tide gauge, also called a mareograph, is an instrument that continuously records water level relative to a fixed land reference, supporting navigation, tsunami warning, and sea level studies.
Tide pool
A tide pool, also called a rock pool or tidal pool, is a pocket of seawater left in a rocky shore depression when the tide recedes, sheltering dense marine life.
Tide table
A tide table is a published or electronic listing of predicted times and heights of high and low water at a port, used by mariners and coastal engineers.
Tideland (film)
Tideland (2005) is Terry Gilliam's dark fantasy drama, adapted from Mitch Cullin's novel, about orphaned Jeliza-Rose (Jodelle Ferland) escaping into fantasy in rural Texas. FIPRESCI winner at San Sebastián, but a critical and commercial failure in North America.
Tidelands (TV series)
Tidelands is Netflix's first Australian original series, a supernatural crime drama (2018) created by Stephen M. Irwin for Hoodlum Entertainment, filmed in Queensland, starring Charlotte Best and Elsa Pataky; one season of 8 episodes, ended without renewal.
Tidelift, Inc.
Tidelift, Inc. is a Boston-based software company, founded in 2017, that pays open source maintainers to meet enterprise security standards and sells subscriptions for validated package assurance.
Tides
Tides is a 1993 epistolary novel by the Nigerian writer Isidore Okpewho, telling through exchanged letters of Niger Delta communities resisting oil exploitation with state complicity.
Tides from the West
Tides from the West (西潮) is Chiang Monlin's English autobiography, written in Kunming during WWII air raids and published by Yale University Press in 1947, covering China from the 1842 Treaty of Nanking to Pearl Harbor in 1941; Chiang translated it into Chinese himself for a 1950s Taiwan edition.
Tides of Annihilation
Tides of Annihilation is an upcoming single-player fantasy action-adventure game by Tencent-backed Eclipse Glow Games, in which Gwendolyn summons the Knights of the Round Table in a ruined London.
Tides of Tomorrow (video game)
Tides of Tomorrow is a 2026 narrative adventure by DigixArt and THQ Nordic for PC, PS5, and Xbox Series X|S. Its Story-Link asynchronous multiplayer makes each player follow another's recorded choices on a plastic-polluted ocean world; Metacritic 71.
Tidetron
Tidetron, or Tidetron Bioworks Technology Co. (态创生物), is a Chinese synthetic biology startup founded in 2021 by Zhang Zhiqian that makes fermentation-derived ingredients like peptides and erythritol.
Tidetron Bio (态创生物)
Tidetron Bio (态创生物) is a Guangzhou-based synthetic biology company founded in 2021 by Zhang Zhiqian, which raised over USD 100 million and produces substances including erythritol and recombinant collagen.