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Transaquincum
Transaquincum: Roman bridgehead fort on the Pest (left) bank of the Danube in Budapest, opposite the legionary fortress of Aquincum; also called Contra Aquincum; 76 x 76 m, built under Commodus, rebuilt under Valentinian.
Transarterial chemoembolization
Transarterial chemoembolization (TACE) is an interventional radiology procedure that delivers chemotherapy through tumor-feeding hepatic arteries with embolic agents, the recommended first-line treatment for intermediate-stage hepatocellular carcinoma when surgery is unsuitable.
TransAsia Airways Flight 235
TransAsia Airways Flight 235 was a domestic flight in Taiwan that crashed into the Keelung River in Taipei on February 4, 2015, killing 43 of 58 aboard.
Transatlantic (TV series)
Transatlantic is a 2023 Netflix seven-part limited series by Anna Winger and Daniel Hendler, set in 1940-41 Marseille and inspired by Julie Orringer's The Flight Portfolio and the true Varian Fry, Mary Jayne Gold, and Emergency Rescue Committee rescue story.
Transatlantic cable-laying expeditions
The transatlantic cable-laying expeditions were shipborne operations that laid telegraph cable across the Atlantic between Ireland and Newfoundland, failing in 1857–1858 and 1865 before succeeding in 1866.
Transatlantic communications cable
A transatlantic communications cable is a submarine cable on the Atlantic seabed carrying telegraph, telephone, and data traffic between North America and Europe, first completed in 1858.
Transatlantic crossing
Transatlantic crossing: ocean or air voyage between Europe and the Americas. Norse crossed by AD 1021; steam cut weeks to days (SS United States record 3d 10h 40m, 1952); jets made it hours.
Transatlantic flight
A transatlantic flight is an aircraft crossing of the Atlantic Ocean, opened after the First World War from NC-4's staged 1919 crossing to scheduled commercial service by 1939.
Transatlantic flight of Alcock and Brown
The transatlantic flight of Alcock and Brown was the first non-stop flight across the Atlantic, flown by John Alcock and Arthur Brown from Newfoundland to Ireland in June 1919.
Transatlantic telegraph cable
The transatlantic telegraph cable, also called the Atlantic Cable, ran about 1,600 miles between Ireland and Newfoundland, cutting message times from days to minutes after 1866.
Transatlantic Trade and Investment Partnership
TTIP (Transatlantic Trade and Investment Partnership) was a proposed US-EU trade and investment agreement, negotiated from July 2013 through 15 rounds, that ended without conclusion at the end of 2016; its directives were declared obsolete in 2019.
Transatlantic tunnel
The Transatlantic tunnel, or Atlantic tunnel, is a proposed never-built undersea rail link between New York and London, imagined since Jules Verne in 1895 but judged beyond current technology.
Transatlanticism
Transatlanticism is Death Cab for Cutie's fourth studio album, released October 7, 2003 on Barsuk Records; recorded on 24-track tape with new drummer Jason McGerr and producer Chris Walla, and reissued for its 10th and 20th anniversaries.
Transavia
Transavia, also known as Transavia Airlines, is a Dutch low-cost airline based at Amsterdam Airport Schiphol, founded in 1965 and owned by KLM since 2003.
Transaxle
A transaxle is a single drivetrain unit combining a vehicle's transmission and differential in one housing; it saves space, aids traction, and gave Porsche's 924, 928, 944, and 968 near-perfect weight balance.
Transbay Tube
The Transbay Tube is an immersed tube tunnel that carries BART trains under San Francisco Bay between Oakland and San Francisco, the only rail crossing of the bay.
Transboundary and Emerging Diseases
Transboundary and Emerging Diseases is an international journal publishing research on animal infectious diseases of greatest economic threat, especially those crossing national borders and newly emerging infections.
Transbronchial needle aspiration
Transbronchial needle aspiration (TBNA) is a bronchoscopic procedure in which a needle samples lung, hilar, or mediastinal lesions, mainly to diagnose and stage lung cancer.
TransCAD
TransCAD is a GIS-based travel demand modeling and transportation planning software package by Caliper Corporation, integrating GIS data management with travel forecasting in one program.
TransCameron Pipeline
The TransCameron Pipeline, also known as the East Lateral, is a 23.4-mile natural gas pipeline in Cameron Parish, Louisiana, feeding the Calcasieu Pass LNG terminal.
Transcarent
Transcarent is a Denver-based healthcare company founded by Glen Tullman that sells care navigation, virtual care, pharmacy, and cancer services to employers; it merged with Accolade in 2025.
TransCarioca
TransCarioca is a bus rapid transit corridor in Rio de Janeiro, Brazil, running 39 km from Barra da Tijuca to Galeão International Airport across the North Zone, inaugurated in 2014.
Transcaspian Oblast
The Transcaspian Oblast (Закаспийская область) was an administrative division of the Russian Empire created in 1881 from conquered Turkmen lands along the eastern Caspian coast, after the storming of Gök-Tepe.
Transcatheter aortic valve replacement
Transcatheter aortic valve replacement (TAVR), also called TAVI, is a minimally invasive procedure that implants an aortic valve via catheter to treat severe aortic stenosis.
Transcatheter mitral valve implantation
Transcatheter mitral valve implantation (TMVI), also called transcatheter mitral valve replacement (TMVR), is a minimally invasive catheter procedure replacing the mitral valve, first performed in 2012, for patients unsuitable for surgery.
Transcatheter mitral valve repair
Transcatheter mitral valve repair, also called mitral transcatheter edge-to-edge repair (M-TEER), is a minimally invasive procedure that clips the mitral leaflets together to reduce severe regurgitation without open-heart surgery.
Transcatheter mitral valve replacement
Transcatheter mitral valve replacement (TMVR) is a minimally invasive procedure that implants a prosthetic mitral valve through a catheter, treating severe regurgitation in patients unsuitable for surgery or TEER.
Transcatheter tricuspid valve repair
Transcatheter tricuspid valve repair, or T-TEER, is a catheter-based procedure that clips tricuspid valve leaflets together to reduce severe regurgitation, delivered through a vein without open surgery.
Transcaucasian Democratic Federative Republic (ამიერკავკასიის დემოკრატიული ფედერაციული რესპუბლიკა)
Transcaucasian Democratic Federative Republic (TDFR, ამიერკავკასიის დემოკრატიული ფედერაციული რესპუბლიკა), South Caucasian federal state of 22 April–26 May 1918 under A. Chkhenkeli; recognized only by the Ottoman Empire, dissolved into Georgia, Azerbaijan, and Armenia.
Transcaucasian Socialist Federative Soviet Republic (Закавказская Социалистическая Федеративная Советская Республика)
Transcaucasian Socialist Federative Soviet Republic (Zakavkazskaya SFSR, TSFSR, ZSFSR): Soviet federal republic uniting Azerbaijan, Georgia, and Armenia, 1922–1936; founding member of the USSR, capital Tbilisi, dissolved by the 1936 constitution.