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Oracle Fusion Cloud HCM
Oracle Fusion Cloud HCM is a cloud-based human capital management software suite from Oracle, launched in 2012 and serving over 4,200 midsize and large enterprise customers worldwide.
Oracle GoldenGate
Oracle GoldenGate is a log-based change data capture and real-time data replication platform that continuously captures committed transactions from database transaction logs and applies them to other databases with minimal impact on the source.
Oracle Linux
Oracle Linux, also known as Oracle Unbreakable Linux, is a free Linux distribution launched by Oracle in 2006 as a Red Hat Enterprise Linux-compatible offering.
Oracle WebLogic
Oracle WebLogic is a commercial Jakarta EE application server for developing and deploying enterprise Java applications, sold by Oracle since its 2008 acquisition of BEA Systems.
Oracle–OpenAI cloud deal
The Oracle–OpenAI cloud deal is a July 2025 agreement under which OpenAI committed to buy roughly $300 billion of computing capacity from Oracle over about five years.
Oral-B
Oral-B is an oral care brand owned by Procter & Gamble, founded in 1949 by a California periodontist, acquired by Gillette in 1984, and known for its oscillating-rotating electric toothbrushes.
Oralloy
Oralloy, from "Oak Ridge alloy," is a Manhattan Project code name for uranium enriched to about 93.5 percent uranium-235, the fuel of the Little Boy bomb dropped on Hiroshima.
Orana gas field
Orana is a coal seam gas field in the Surat Basin of southern Queensland, producing gas from the Walloon Coal Measures as part of the Australia Pacific LNG project.
Orange (software)
Orange is a free, open-source machine learning and data mining suite developed by the University of Ljubljana, Slovenia, where users build analysis workflows visually from widgets rather than writing code.
Orange and Rockland Utilities
Orange and Rockland Utilities is a regulated electric and gas utility headquartered in Pearl River, New York, serving New York City's northwestern suburbs and northern New Jersey.
Orange County Advanced Power Station
The Orange County Advanced Power Station (OCAPS) is a 1,215-megawatt natural gas-fired combined cycle power plant Entergy Texas is building in Orange, Texas, at its existing Sabine Plant site.
Orange County Choppers
Orange County Choppers is an American custom motorcycle manufacturer founded in 1999 by Paul Teutul Sr. in New York, best known as the subject of the reality series American Chopper.
Orange County Groundwater Replenishment System
The Orange County Groundwater Replenishment System (GWRS) is a water purification project in Fountain Valley, California, opened in 2008 to recharge the groundwater basin and block seawater intrusion.
Orange Line (Lahore Metro)
The Orange Line Metro Train is a 27.1 km rapid transit line in Lahore, Pakistan, opened in October 2020 as Pakistan's first rail-based mass transit line.
Orange Money
Orange Money is a mobile money transfer and payment service operated by the French telecom group Orange, launched in Côte d'Ivoire in 2008 to serve unbanked customers.
Orange Pi
Orange Pi is a family of open-hardware single-board computers made since 2015 by Shenzhen Xunlong Software in China, ranging from budget Allwinner boards to RK3588 flagships and competing with the Raspberry Pi.
Orange Polska
Orange Polska is Poland's largest telecommunications operator, providing fixed-line, mobile, and television services; it is 50.67% owned by France's Orange S.A. and trades on the Warsaw Stock Exchange.
Orange S.A.
Orange S.A. is a French telecommunications company headquartered at Issy-les-Moulineaux, the successor of France Télécom, renamed in 2013 and serving more than 340 million customers worldwide.
Orange UK
Orange UK was a British mobile network operator and internet service provider that launched in 1994, was bought by France Télécom in 2000, and merged into EE in 2010.
OranjeWind
OranjeWind is a 795 MW offshore wind farm under construction in the Dutch North Sea, developed by RWE and TotalEnergies for operation by early 2028.
Orano
Orano is a French nuclear fuel-cycle company, majority owned by the French state, that covers uranium mining, conversion, enrichment, spent-fuel recycling, dismantling, and medical isotopes.
Orapa diamond mine
The Orapa diamond mine is an open-pit mine in Botswana's Central District, opened on 1 July 1971 as the country's first diamond mine, operated by Debswana.
ORB (feature descriptor)
ORB (Oriented FAST and Rotated BRIEF) is a fast binary feature descriptor and keypoint detector for computer vision, published in 2011 as an alternative to SIFT and SURF.
ORB-SLAM
ORB-SLAM is a real-time feature-based monocular SLAM system created at the University of Zaragoza, Spain, and published in 2015; its successors ORB-SLAM2 and ORB-SLAM3 added stereo, RGB-D, and visual-inertial support.
Orban
Orban, also spelled Urban, was a cannon founder, probably Hungarian, who cast the giant bombard with which Sultan Mehmed II's army breached the walls of Constantinople in 1453.
ORBCOMM
ORBCOMM is a satellite communications company providing global machine-to-machine and IoT data messaging services through a constellation of low Earth orbit satellites combined with cellular connectivity.
ORBIG Pipeline
The ORBIG Pipeline is a 123 km crude oil pipeline in Rio de Janeiro, Brazil, operated by Transpetro since 1977, supplying refineries from Angra dos Reis.
ORBIS (packaging company)
ORBIS Corporation is an American maker of reusable plastic packaging, including pallets, bulk containers, and dunnage, founded in 1996 and headquartered in Oconomowoc, Wisconsin as a subsidiary of Menasha Corporation.
Orbital angular momentum multiplexing
Orbital angular momentum multiplexing is a communications technique that encodes separate data channels on light or radio beams with different twist states, increasing link capacity.
Orbital eccentricity
Orbital eccentricity, written e, is a dimensionless orbital element measuring how much an orbit deviates from a perfect circle: 0 is circular, and values near 1 are elongated.