All articles starting with O
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Orlando Salido
Orlando Salido (Siri), Mexican boxer born 1980 in Ciudad Obregon, Sonora; multiple world featherweight and super featherweight champion (IBF, WBO), famous for beating Vasyl Lomachenko in 2014; retired 2017 at 44-14-4.
Orlando Sanford International Airport
Orlando Sanford International Airport is a public airport in Sanford, Florida, 16 miles northeast of Orlando, serving as the Orlando area's secondary airport, dominated by Allegiant and low-cost carriers.
Orlando Scandrick
Orlando Scandrick is a former American football cornerback drafted by the Dallas Cowboys in 2008 who played ten NFL seasons, also for Washington, Kansas City, and Philadelphia.
Orlando Stadium
Orlando Stadium is a multi-purpose football and concert stadium in Orlando East, Soweto, Johannesburg, opened in 1959 as Soweto's first stadium and the historic home ground of Orlando Pirates.
Orlando Storm
Orlando Storm, UFL expansion professional spring football team in Orlando, Florida, announced October 7, 2025; plays at Inter&Co Stadium under coach Anthony Becht; went 8-2 and finished first in its 2026 debut season with MVP quarterback Jack Plummer.
Orlando Utilities Commission
The Orlando Utilities Commission (OUC) is a municipally owned electric and water utility serving Orlando and St. Cloud, Florida, created by the state legislature in 1923.
Orlando Valkyries
Orlando Valkyries: professional women's volleyball team in Orlando, Florida, founded 2023, playing at Addition Financial Arena in Major League Volleyball (formerly Pro Volleyball Federation); 2025 PVF champions after a worst-to-first turnaround, distinct from the WNBA's Golden State Valkyries.
Orlando Voorn
Orlando Voorn, also known as Nighttripper, is a Dutch techno DJ and producer from Amsterdam who was among the first Europeans to release on Detroit techno labels.
Orlando, Florida
Orlando, Florida: county seat of Orange County, incorporated 1875, population about 334,000 in 2025, anchor of the 2.96-million Orlando-Kissimmee-Sanford metro and a global theme-park and tourism hub.
Orlando: A Biography
Orlando: A Biography is Virginia Woolf's 1928 Hogarth Press novel, inspired by lover Vita Sackville-West, following a poet who lives four centuries and changes sex halfway through.
Orléans
Orléans, capital of France's Centre-Val de Loire region on the Loire river, 120 km from Paris; about 116,000 inhabitants. Known for the 1429 siege relieved by Joan of Arc and the UNESCO Loire Valley.
Orleans (band)
Orleans (band): American pop/rock band formed in Woodstock, NY, in 1972 by John Hall, Larry Hoppen, and Wells Kelly; known for "Dance With Me", "Still the One", and "Love Takes Time"; 2026 is its final touring year.
Orleans Parish School Board
The Orleans Parish School Board is the seven-member elected body that governs New Orleans Public Schools, overseeing 67 schools and setting policy for the all-charter system.
Orleans Parish, Louisiana
Orleans Parish, Louisiana: the parish coextensive with New Orleans, one of 64 Louisiana parishes, consolidated city-parish under the 1954 home rule charter; 362,154 residents (2025 estimate), created 1807 among the original 19 parishes.
Orléans Strait
Orléans Strait (Canal d'Orléans, Dallmannstraße) is a NE-SW Antarctic Peninsula strait separating Trinity and Tower islands from Davis Coast; named by d'Urville's 1837-40 French expedition, charted by Nordenskjöld.
Orlen
Orlen is a Polish state-controlled multi-energy group headquartered in Płock, formed by mergers with Grupa LOTOS, PGNiG, and Energa, with the State Treasury holding 49.90% of shares.
Orlen Arena Oberstdorf Allgau
ORLEN Arena Oberstdorf Allgäu (formerly Erdinger Arena), ski jumping arena at the foot of the Schattenberg in Oberstdorf, Germany, with five hills HS 137 to HS 25; Four Hills Tournament opening venue since 1953, Nordic World Championships 1987, 2005, 2021.
ORLEN Spolka Akcyjna
ORLEN Spolka Akcyjna, formerly Polski Koncern Naftowy ORLEN, is a Polish state-controlled oil refiner, petrochemical producer, and energy group, the largest enterprise in Poland and Central Europe.
Orley Ashenfelter
Orley Ashenfelter is an American labor economist at Princeton University known for bringing randomized-experiment-style methods to policy questions and for the Bordeaux Equation predicting wine prices from weather.
Orlin D. Velev
Orlin D. Velev is a chemical engineer and colloid scientist, the Culberson Distinguished Professor at North Carolina State University since 2001, known for directed colloidal assembly and droplet microfluidics.
Orlistat
Orlistat (Xenical, alli; tetrahydrolipstatin) is a gastrointestinal lipase inhibitor weight-loss drug blocking about 30% of dietary fat absorption; 120 mg prescription and 60 mg OTC, with GI side effects and 2026 FDA kidney-injury warnings.
Orlov revolt
The Orlov revolt (Greek: Ορλωφικά) was a 1770 Greek uprising against Ottoman rule in the Peloponnese, instigated and aided by Russia and named after the Orlov brothers.
Orly Air Base
Orly Air Base was the United States Air Force designation for its facilities at Paris-Orly Airport south of Paris, occupied by American forces from 1944 to 1967.
Orly Airport
Orly Airport, known in French as Aéroport de Paris-Orly, is France's second-largest airport, about 14 km south of Paris, handling roughly 35 million passengers in 2025.
Orm Faculae
Orm Faculae is an IAU-approved pyroclastic deposit (facula) on Mercury in the Praxiteles basin, named after the Swedish word for snake, with a compound volcanic vent and a 125 km mapped diameter.
Orman Botanic Garden
Orman Botanic Garden, also El-Orman Garden (Arabic حديقة الأورمان), is a historic botanical garden in Giza, Egypt, established by Khedive Ismail in the 1870s as part of the Giza Royal Palace gardens.
Ormari Romero
Ormari Romero (Ormari Romero Turcás), born 1968, Cuban right-handed starting pitcher; 1996 Olympic baseball gold medalist with Cuba, 2006 World Baseball Classic silver medalist, and longtime Santiago de Cuba ace in the Cuban National Series.
Ormat Technologies
Ormat Technologies, founded in Israel in 1965 and headquartered in Reno, Nevada, develops, builds, owns, and operates geothermal, recovered energy, solar, and energy storage power plants and manufactures their equipment.
ORMDL3
ORMDL3 (ORMDL sphingolipid biosynthesis regulator 3) is a human gene at 17q21.1 encoding an ER transmembrane protein that inhibits serine palmitoyltransferase; its variants, especially rs7216389, form the most replicated asthma susceptibility locus.
Ormeloxifene (centchroman)
Ormeloxifene (centchroman), sold in India as Saheli and Chhaya, is a non-steroidal SERM and once-weekly oral contraceptive developed by CSIR-CDRI, also used for abnormal uterine bleeding and mastalgia.