All articles starting with O
9,097 articles
Offshore drilling
Offshore drilling, also called offshore petroleum drilling, is the extraction of oil and gas from wells beneath the seabed, first done in 1897 off Summerland, California.
Offshore financial centre
An offshore financial center, also known as an offshore tax haven, is a jurisdiction serving non-residents with low or zero taxation, lighter regulation, and banking secrecy.
Offshore groundwater
Offshore groundwater is low-salinity water stored in sediments and rocks below the seafloor, first documented off Florida in the 1960s and estimated at about 1 million cubic kilometers globally.
Offshore outsourcing
Offshore outsourcing is the contracting of business functions to a vendor in a distant foreign country, typically with lower labor costs, first recorded in a 1973 TCS project in Mumbai.
Offshore powerboat racing
Offshore powerboat racing: high-speed boat racing on open water, governed worldwide by the UIM (est. 1922) and nationally by APBA, UKOPRA, and OPA. Classes range from Super Stock (80–100+ mph) to Class 1 (140–160 mph); key events include Cowes–Torquay–Cowes and the Key West World Championship.
Offshore Wind Energy Act (Germany)
The Offshore Wind Energy Act (German: Windenergie-auf-See-Gesetz, WindSeeG) is the German federal law governing the planning, auction, and construction of offshore wind farms, in force since 2017.
Offshore wind power
Offshore wind power is the generation of electricity from wind turbines installed at sea, mostly on fixed seafloor foundations, with 92.5 GW installed globally by 2025.
Offshoring
Offshoring is the relocation of a business activity, such as manufacturing or a service, to another country, either to a firm's own foreign unit or to an independent supplier.
Offside (2006 film)
Offside (آفساید) is Jafar Panahi's 2006 Iranian comedy about girls disguised as boys trying to enter Tehran's Azadi Stadium for the Iran–Bahrain World Cup qualifier; it won the Berlin Silver Bear but was banned in Iran.
Offside (association football)
Offside in association football is Law 11: an attacker nearer the goal line than the ball and second-last opponent who then plays the ball or interferes. Covers position, offence, exemptions, history from 1863 and 1925, SAOT, and the daylight trial.
Offside (ice hockey)
Offside (ice hockey): violation when attacking players' skates precede the puck across the attacking blue line; NHL/IIHF 3D blue line, delayed offside, tag-up, coach's challenge, 1929 origin.
Offspring
Offspring, also called progeny or young, are the new individuals produced by parents through sexual or asexual reproduction. Article covers oviparity, viviparity, parental care, quantity-quality trade-offs, and parent-offspring conflict.
Offspring (TV series)
Offspring is an Australian comedy-drama series (Network Ten, 2010–2017, seven seasons, 85 episodes) about Melbourne obstetrician Nina Proudman (Asher Keddie), her chaotic Proudman family and romances, created by Debra Oswald with fantasy daydream sequences.
Offutt Air Force Base
Offutt Air Force Base, formerly Fort Crook, is a US Air Force installation south of Omaha, Nebraska, and the headquarters of United States Strategic Command since 1992.
Ofgem
Ofgem, the Office of Gas and Electricity Markets, is the independent regulator of Great Britain's gas and electricity markets, established in 2000 to protect consumers and set the energy price cap.
OFI Crete F.C.
OFI Crete F.C. (Όμιλος Φιλάθλων Ηρακλείου 1925) is a Greek football club from Heraklion, Crete, founded 1925. Two-time Greek Cup winner (1987, 2026), 2026-27 Super Cup holder, and 2026-27 Europa League league-phase participant.
Ofir
Ofir (Hebrew: אופיר) is a Hebrew given name; best-documented bearer is Ofir Libstein (1973–2023), Sha'ar HaNegev council head killed October 7, 2023, commemorated by the Ofir athletics stadium.
Ofis Publik ar Brezhoneg
Ofis Publik ar Brezhoneg (Office public de la langue bretonne) is Brittany's public Breton language planning institution, an EPCC created in 2010, headquartered at Château de Kerampuilh, Carhaix-Plouguer, running Terminology, translation, toponymy, the Ya d'ar brezhoneg charter, and digital tools.
Oflag IV-C
Oflag IV-C (Offizierlager IV C) was a German prisoner-of-war camp for Allied officers at Colditz Castle in Saxony, holding notorious escapees and seeing more than 300 escape attempts.
Ofloxacin
Ofloxacin (Floxacin, formerly Floxin) is a second-generation fluoroquinolone antibiotic reported by Daiichi Pharmaceutical in 1982, inhibiting bacterial DNA gyrase and topoisomerase IV; used orally, otically, and ophthalmically, with a notably higher Achilles tendon complication risk than ciprofloxacin or levofloxacin.
ofo
ofo, known in China as ofo小黄车, was a Chinese dockless bike-sharing company founded by Dai Wei and Peking University classmates in 2014, valued at $3 billion before collapsing in 2018.
Ofori Amponsah
Ofori Amponsah, also known as Mr. All 4 Real, is a Ghanaian highlife singer born in 1974 who rose to fame as Daddy Lumba's protégé.
Ofra Haza (עפרה חזה)
Ofra Haza (עפרה חזה, 1957–2000), Israeli singer and actress from Tel Aviv's Hatikva quarter; Eurovision 1983 runner-up with "Chai"; fused Yemenite Jewish song with electronic dance music; "Im Nin'alu" sold over three million copies; Grammy-nominated for Kirya (1992).
Ofranergene obadenovec
Ofranergene obadenovec (ofra-vec, VB-111) is a non-replicating adenovirus 5 gene therapy from VBL Therapeutics targeting tumor blood vessels; its phase III OVAL ovarian cancer trial missed survival endpoints.
Ofrenda
An ofrenda is the offering altar built in Mexican homes for the Day of the Dead, welcoming the souls of the dead around November 1 and 2.
Oftel
Oftel (the Office of Telecommunications) was the UK's telecommunications regulator from 1984, created under the Telecommunications Act 1984, whose functions merged into Ofcom on 29 December 2003.
Ofuda (お札)
Ofuda (お札), also called shinpu, are consecrated paper or wood slips bearing a deity's name, issued by Shinto shrines and Buddhist temples and enshrined at home or carried for protection.
Ofurace
Ofurace (呋酰胺, milfuram, HOE 057623) is a systemic phenylamide (FRAC group 4, butyrolactone) fungicide, CAS 58810-48-3, inhibiting RNA polymerase I to control oomycete downy mildews and late blights; formerly used on grapes, potatoes, and tobacco, now not EU-approved.
Ofwat
Ofwat, formally the Water Services Regulation Authority, is the economic regulator of the water and wastewater sectors in England and Wales, established at privatization in 1989. It sets water companies' prices.
OG (esports)
OG Esports, founded 2015 as (monkey) Business, is a player-founded Dota 2 organization that won The International 2018 and 2019 back to back, then expanded into CS2, Honor of Kings, MLBB, and EAFC; Chiliz Group holds 51%.