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Trombiculidae
Trombiculidae (chigger mites, red bugs): mite family whose parasitic larvae bite vertebrates via a stylostome, causing trombiculiasis; some Leptotrombidium species vector scrub typhus; 3,013 described species.
Trombiculosis
Trombiculosis (trombiculiasis, chigger dermatitis): pruritic skin inflammation from larval trombiculid mite feeding via a salivary stylostome; Leptotrombidium chiggers also transmit scrub typhus.
Trombidiidae
Trombidiidae, the true velvet mites or red velvet mites, is a family of about 300 species of large bright red predatory mites; larvae parasitize insects, adults eat insect eggs, and they are harmless to humans, unlike chiggers.
Trombone
Trombone (Italian, "large trumpet"; formerly sackbut): brass instrument created mid-15th century, the only brass family member using a telescoping slide for fully chromatic pitch; entered the symphony with Beethoven's Fifth in 1808.
Trombone Shorty
Trombone Shorty (Troy Andrews, born 1986) is a New Orleans trombonist, trumpeter, and bandleader from Tremé, leader of Orleans Avenue, creator of 'supafunkrock', Grammy winner via Jon Batiste's We Are, and founder of the Trombone Shorty Foundation.
Tromelin Island
Tromelin Island (Île de Tromelin, formerly Île de Sable) is a 1 km² French-claimed coral island in the Indian Ocean, disputed with Mauritius, known for the 1761 Utile shipwreck whose abandoned Malagasy slaves survived 15 years.
Tromen Volcanic Plateau
Tromen Volcanic Plateau (Volcán Tromen), Neuquén, Argentina: a 70-km volcanic field in the Southern Andean Volcanic Arc whose 4,114 m stratovolcano last erupted in 1822 and shows a summit thermal anomaly since 2005.
Tromeo and Juliet
Tromeo and Juliet is a 1996 American transgressive romantic black comedy directed by Lloyd Kaufman and written by Kaufman and James Gunn, based on Shakespeare's Romeo and Juliet.
Trompe le Monde
Trompe le Monde, Pixies' fourth studio album (French for 'fool the world'), released September 23, 1991 on 4AD; produced by Gil Norton, 15 tracks, UK number 7, final album before the 1993 split.
Trompe-l'œil
Trompe-l'œil (French, "deceive the eye") is hyper-realistic painting that makes flat surfaces look three-dimensional, from Zeuxis and Roman frescoes through Baroque quadratura to Schiaparelli fashion and contemporary architecture.
Trompies
Trompies are a South African kwaito group from Soweto formed in the mid-1990s, known for hits like "Magasman" and "Madibuseng" and for co-founding the Kalawa Jazmee label.
Troms
Troms (Romsa, Tromssa) is a county in northern Norway, separate again from 2024 after Troms og Finnmark. 168,340 inhabitants in 2023 across 21 municipalities; largest city Tromsø, 79,943 residents in 2026.
Tromsø
Tromsø, Norway: Arctic municipality at 69°N, 350 km above the Arctic Circle, with about 80,000 residents, UiT university, UNN hospital, fishing, tourism, and Arctic-capital status.
Tromsø Municipality
Tromsø Municipality (Tromsø kommune, no. 5501) is Norway's ninth largest municipality at 69°N in the Arctic, with 79,943 residents (2025), formed by the 1964 merger of Tromsø, Tromsøysund, Ullsfjord, and Hillesøy.
Tron
Tron is a 1982 Disney science fiction film directed by Steven Lisberger, in which Jeff Bridges' computer engineer is digitized inside a mainframe and fights the Master Control Program.
Tron (franchise)
Tron (franchise): Disney science fiction series begun with Tron (1982), the first film with extensive computer-generated imagery, followed by Tron: Legacy (2010), Tron: Uprising, and Tron: Ares (2025); distinct from the TRON operating-system project and the TRON blockchain.
Tron (video game)
Tron is a 1982 arcade video game released by Bally Midway, based on Walt Disney's film. Its four sub-games per level include Light Cycles, Tanks, and the MCP Cone.
Tron Ares: Divergence
Tron Ares: Divergence is a Nine Inch Nails companion remix album to the Tron: Ares soundtrack, released digitally February 27, 2026 on Interscope, with unreleased score tracks and remixes by Arca, Boys Noize, and others.
Tron Lightcycle Power Run
TRON Lightcycle Power Run (创极速光轮) is a launched motorbike-style roller coaster at Shanghai Disneyland's Tomorrowland, opened 2016, the first Tron-themed coaster and fastest Disney coaster; a clone, TRON Lightcycle / Run, opened at Magic Kingdom in 2023.
Tron: Ares
Tron: Ares, also known as TRON 3, is a 2025 American science fiction action film, the third in Disney's Tron franchise, starring Jared Leto as an AI program entering the real world.
Tron: Ares (soundtrack)
Tron: Ares (Original Motion Picture Soundtrack) is the 2025 score for Disney's Tron: Ares, composed by Trent Reznor and Atticus Ross and credited, for the first time, to their band Nine Inch Nails. Distinct from Daft Punk's 2010 Tron: Legacy score.
Tron: Legacy
Tron: Legacy (2010) is Joseph Kosinski's Disney sequel to Tron (1982), starring Jeff Bridges, Garrett Hedlund, and Olivia Wilde, scored by Daft Punk, grossing about $400 million worldwide with mixed reviews.
Tron: Legacy (soundtrack)
Tron: Legacy (Original Motion Picture Soundtrack) is Daft Punk's 2010 Walt Disney Records film score, their first, blending electronics with an 85-piece orchestra recorded at AIR Lyndhurst; it debuted at No. 10 on the Billboard 200, went RIAA Platinum, and was Grammy-nominated.
Tron: Uprising
Tron: Uprising is a 2012–2013 Disney XD animated series set between Tron (1982) and Tron: Legacy, following Beck, the Renegade, trained by Tron against Clu; cancelled after one season despite a 100% Tomatometer.
Tronador
Tronador (Monte Tronador, Cerro Tronador): extinct Pleistocene stratovolcano, ~3,478 m, on the Argentina-Chile border in Nahuel Huapi National Park; glacier-covered, last activity ~300 ka plus the postglacial Fonck cone.
Trond H. Torsvik
Trond H. Torsvik (born 1957) is a Norwegian geophysicist and professor at the University of Oslo who works on palaeomagnetism, plate tectonics, and mantle plumes.
Trøndelag
Trøndelag (Trööndelage), county number 50 in central Norway, formed 1 January 2018 by merging Nord-Trøndelag and Sør-Trøndelag; about 490,000 residents, 38 municipalities, administrative center Steinkjer, largest city Trondheim.
Trondheim
Trondheim (Tråante; historically Nidaros, Trondhjem) is a city and municipality in Trøndelag, Norway, traditionally founded in 997. It had 218,460 municipal residents on 1 January 2026, Norway's third largest municipality, with the fourth largest urban settlement.
Trondhjemite
Trondhjemite is a leucocratic intrusive igneous rock, defined as a tonalite with mafic minerals below 10 percent, named by Victor Moritz Goldschmidt in 1916 after Trondheim, Norway.
Troodon
Troodon (wounding tooth) is a small Late Cretaceous North American troodontid theropod, type species T. formosus, named by Leidy in 1856 from a single tooth; famous for teardrop-shaped partially buried brooded eggs, a contested wastebasket-taxonomy history, and 2025 neotype-based validation.