All articles starting with T
35,749 articles
Turret 4B
Turret 4B, Hadrian's Wall turret 4b, is the never-found western turret of the pair off Milecastle 4 in Newcastle upon Tyne; Pleiades place 967060317 records it as a defensive tower with an uncertain estimated position.
Turret clock
A turret clock is a mechanical clock in a church or castle tower that announces the time publicly, by striking a bell or showing an external dial.
Turrialba
Turrialba (volcano), Costa Rica's second-highest volcano at 3,340 m, an active stratovolcano 10 km NE of Irazú near Cartago; dormant after 1864-66, it erupted ash from 2010 to 2022 and remains at OVSICORI-UNA Warning level.
Turridae (sensu lato) and its reclassification
Turridae sensu lato, the turrids, was a catch-all family of venomous Conoidea snails except Conus and Terebridae; molecular phylogenetics (Puillandre 2008, Bouchet 2011) split it into 13 to 16 monophyletic families, leaving a restricted Turridae s.s.
Turrilites
Turrilites, named by Lamarck in 1801, is an extinct genus of helically coiled heteromorph ammonites, with a tower-like shell, from the Cenomanian stage of the Cretaceous in Europe, Africa, and Asia.
Turris ad Algam
Turris ad Algam (Tvrris Adalgam), ancient Roman-era villa in Tripolitania, Libya, southeast of Tripoli on the inland route; on the Tabula Peutingeriana (6C3, Miller 898); identified with modern Tajoura; Pleiades 344524.
Turris Caesaris
Turris Caesaris (Turris Cesaris), a Roman road station on the via Traiana in Apulia between Barium and Egnatia, listed in the Antonine Itinerary and Peutinger Table, probably at Polignano a Mare, about 20 Roman miles from Bari.
Turris et Taberna
Turris et Taberna, a Late Antique Roman road station on the Greater Syrtis coast of Libya, recorded on the Tabula Peutingeriana 24 miles from Tagulis, probably near Matratin or As Sidr.
Turritella
Turritella (Lamarck, 1799) is a genus of marine turritellid gastropods with tall, turreted, many-whorled shells, type species Turbo terebra; abundant Early Cretaceous to Recent fossils used in biostratigraphy, and namesake of the misnamed Turritella agate.
Turritopsis dohrnii
Turritopsis dohrnii, the immortal jellyfish, a small hydrozoan medusa that reverses its life cycle to a polyp via transdifferentiation; distinguished from T. nutricula and T. rubra, with genome resources and quantified lab rejuvenation rates.
Turrón
Turrón (torró) is a Spanish Christmas nougat of toasted almonds, honey, sugar, and egg white. Hard Alicante and soft Jijona varieties have held EU PGI status since 1996; both are made in Jijona, Alicante, which produces about 60% of Spain's turrón.
Turrum
Turrum is an oil and gas field in the Gippsland Basin in Bass Strait, offshore Victoria, Australia, 42 kilometers from shore and developed through the Marlin B platform.
Tursa Tholus
Tursa Tholus, a 75-km-wide tholus (dome-shaped hill) on Venus at 35.4°S, 205.2°E; IAU-approved 1997 and named for the Italian goddess of terror.
Turşucuzâde Ahmed Muhtar Efendi
Turşucuzâde Ahmed Muhtar Efendi (died 1875) was an Ottoman scholar who served as şeyhülislam, the empire's chief mufti, from 1872 to 1874 under Sultan Abdülaziz.
Turtanu
The turtanu (Akkadian tartānu), a Hurrian loanword meaning deputy, was the commander-in-chief of the Assyrian army; by the 7th century BC the office was split between left and right commands.
Turtle
Turtle (order Testudines, Chelonia): shelled reptiles including tortoises and terrapins, 364 species in 14 families. Shell of carapace and plastron fused to ribs; origin ~255 Ma near archosaurs; over half of species Threatened on the IUCN Red List.
Turtle (submersible)
The Turtle, also known as Bushnell's Turtle, was a one-man military submersible built by David Bushnell in 1775, the first to attack an enemy warship.
Turtle (syntax)
Turtle, or Terse RDF Triple Language, is a compact, human-readable text syntax for writing RDF graphs, using abbreviations like prefixes; it became a W3C Recommendation in 2014.
Turtle Bay, Manhattan
Turtle Bay is a Midtown East Manhattan neighborhood, roughly East 43rd to 53rd Streets, Lexington Avenue to the East River, named for a filled-in cove; home to the United Nations headquarters and Turtle Bay Gardens.
Turtle Farm (Sri Lanka)
Turtle farms, or sea turtle hatcheries, are private tourist attractions on Sri Lanka's south-west coast that buy turtle eggs, rebury them in sand enclosures, and display hatchlings; first established in 1956, they are debated as conservation or commercial ventures.
Turtle Hatchery Hikkaduwa
Turtle Hatchery Hikkaduwa, also called Sea Turtle Hatchery and Rescue Centre, is a private sea turtle hatchery on Galle Road, Hikkaduwa, Sri Lanka, established 1986, destroyed in the 2004 tsunami, criticized for egg purchase and tank headstarting practices.
Turtle Island
Turtle Island is a 1974 collection of poetry and prose by the American poet Gary Snyder, published by New Directions and winner of the 1975 Pulitzer Prize for Poetry.
Turtle leech
Turtle leeches are glossiphoniid freshwater leeches, mainly Placobdella and Placobdelloides, that parasitize turtles by proboscis blood-feeding on shell and soft tissues; notable species include Placobdella parasitica and Placobdelloides siamensis, vectors of Haemogregarina blood parasites.
Turtle Rock Studios
Turtle Rock Studios is an American video game studio founded in 2002 by Chris Ashton and Phil Robb, best known for the cooperative zombie shooter Left 4 Dead and Back 4 Blood.
Turtle shell
Turtle shell: the bony carapace and plastron enclosing all turtles, over 50 bones integrating ribs and vertebrae; evolved stepwise from Eunotosaurus through Odontochelys to Proganochelys, originally for burrowing and ballast, now mainly protection.
Turtle ship (거북선)
The turtle ship (geobukseon) was a spiked-roof Korean warship of the Joseon dynasty, famous in Admiral Yi Sun-sin's victories against Japan in the Imjin War.
Turtle soup
Turtle soup, historically made from green sea turtles (Chelonia mydas), was an 18th-to-20th-century European and American luxury dish; mock versions used calf's head, and the CITES Appendix I listing in 1981 ended the authentic dish.
Turtle tank
The turtle tank is a Russian field-modified tank covered in welded sheet metal to block Ukrainian FPV kamikaze drones, first seen in April 2024 near Krasnohorivka.
TurtleBot
TurtleBot is a low-cost, open-source personal robot kit and entry-level mobile robotics platform for education and research with ROS, created at Willow Garage in 2010.
Turtlemint
Turtlemint, formally Turtlemint Fintech Solutions Limited, is a Mumbai-based insurtech company founded in 2015 by Dhirendra Mahyavanshi and Anand Prabhudesai that distributes insurance through advisors and has been listed on Indian exchanges since 2026.