All articles starting with O
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Off the Wall
Off the Wall is the fifth solo studio album by Michael Jackson, released in 1979 by Epic Records. It is known for blending disco, funk, soul, R&B, and pop.
Off-axis holography
Off-axis holography is a holographic recording geometry in which the reference wave strikes the medium at an angle, separating the twin image from the reconstruction.
Off-balance-sheet financing
Off-balance-sheet financing keeps funding and risk-bearing obligations off a company's balance sheet under consolidation, sale, and lease rules, a practice reshaped after Enron and by 2019 lease reforms.
Off-Broadway
Off-Broadway is professional theater in New York City venues seating 100 to 499, between Broadway (500+) and Off-Off-Broadway (under 100). It emerged in the early 1950s, has its own union contracts, League, Alliance, and Obie Awards, and feeds shows like Rent and Hamilton to Broadway.
Off-color humor
Off-color humor, also known as vulgar humor, is comedy built on rude, risqué material, typically sexual or scatological, that audiences find slightly shocking; the phrase dates to about 1855.
Off-hire
Off-hire is the suspension of hire payments under a time charterparty when a vessel cannot perform the service the charterer is paying for, protecting the charterer.
Off-Label Use
Off-label use: prescribing an approved medicine outside its marketing authorization (unapproved indication, dose, route, or patient group). Legal and common; 21% of US outpatient use, mostly lacking strong evidence.
OFF-MED trial
OFF-MED (NCT07320768), also called PRAISE-AF in its design paper, is a single-center randomized sham-controlled trial at Shanghai Chest Hospital testing renal denervation added to pulsed field ablation in 86 patients with persistent atrial fibrillation off antiarrhythmic drugs.
Off-Off-Broadway theatre
Off-Off-Broadway theatre is New York theater staged in houses of fewer than 100 seats, launched around 1959 in Greenwich Village cafés and churches as an experimental scene.
Off-policy learning
Off-policy learning is a reinforcement learning approach that evaluates or improves a target policy using data from a different behavior policy, including offline RL from logged data.
Off-pump coronary artery bypass
Off-pump coronary artery bypass (OPCAB, OPCABG) is beating-heart coronary bypass grafting without cardiopulmonary bypass, first performed by Goetz in 1960, revived in the 1980s, offering less stroke but more repeat revascularization than on-pump CABG.
Off-road vehicle
An off-road vehicle is a motor vehicle built to drive on unpaved terrain such as dirt, sand, mud, and rocks, with four-wheel drive and high ground clearance.
Off-the-grid
Off-the-grid describes a building or community operating without public utility networks, most commonly the electrical grid, typically in remote areas where extending power lines costs more than generating and storing power onsite.
Off-White (company)
Off-White™ is Virgil Abloh's luxury streetwear label, founded 2012/2013, Milan-based, known for quotation marks, diagonal stripes, arrows, and Nike and IKEA collaborations; LVMH held 60% from 2021, sold to Bluestar Alliance in 2024.
Offa of Mercia
Offa of Mercia (d. 29 July 796), king of the Mercians 757–796, ruled all England south of the Humber, built Offa's Dyke, introduced the silver penny, created the Lichfield archbishopric, and dealt with Charlemagne almost as an equal.
Offa's Dyke
Offa's Dyke, also known as Clawdd Offa, is an early medieval earthwork along the England–Wales border, built by King Offa of Mercia in the late eighth century.
Offal
Offal, also called variety meats or organ meats, is the edible non-skeletal-muscle parts of a slaughtered animal: liver, kidneys, heart, tripe, blood, and more, valued for nutrient density and central to many world cuisines.
Offenbach (city)
Offenbach am Main is an independent city in Hesse, Germany, first documented in 977. It developed from a major leather goods center to a modern design-oriented city.
Offenbach (football club)
Kickers Offenbach (Offenbacher FC Kickers 1901 e.V.), German football club founded 1901 in Offenbach am Main; German runners-up 1950 and 1959, DFB-Pokal winner 1970, seven Bundesliga seasons, now in the Regionalliga Südwest at the Stadion am Bieberer Berg.
Offender profiling
Offender profiling (criminal profiling, FBI criminal investigative analysis, UK behavioral investigative advice): inferring offender attributes from crime scene, modus operandi, and victimology to narrow suspect searches; validity remains statistically unvalidated, case linkage strongest.
Offensive counter-air
Offensive counter-air (OCA) is the category of air operations that destroys or neutralizes an enemy's air power and air defenses, preferably on the ground, to gain control of the air.
Offensive Security
Offensive security, or OffSec, is the practice of probing computer systems, networks, applications, and people by simulating attacker behavior so weaknesses are found and fixed before malicious actors exploit them.
Offer and acceptance
Offer and acceptance is the contract-law analysis of agreement: a sufficiently definite offer showing intent to be bound, accepted by the offeree. Covers invitations to treat, the postal rule, revocation, objective versus subjective assent, and electronic contracting across common law, civil law, and Islamic law.
Office
An office is a workplace where administrative and professional work is done, shaped by Taylorist rows, the 1960s landscape office, and modern open-plan and hybrid layouts.
Office (2015 film)
Office (華麗上班族) is Johnnie To's 2015 3D musical comedy-drama, adapted from Sylvia Chang's stage play Design for Living, starring Chang, Chow Yun-Fat, Eason Chan, and Tang Wei amid the 2008 financial crisis; distinct from the 2015 Korean thriller of the same name.
Office (2019 TV series)
The Office (2019) is the Indian Hindi-language mockumentary adaptation of The Office, set at Wilkins Chawla Paper Company in Faridabad with Mukul Chadda as boss Jagdeep Chadda. Two seasons, 28 episodes on Hotstar; IMDb 5.7/10.
Office administration
Office administration is the set of day-to-day clerical and administrative activities supporting an organization's work and decision makers, defined by planning, organizing, coordinating, and controlling office activities.
Office Assistant
The Office Assistant, also known as the Microsoft Office Assistant, was an animated help feature in Microsoft Office from 1997, best known for its paperclip character Clippy.
Office at Night
Office at Night is a 1940 oil painting by Edward Hopper showing a man and a woman alone in a late-night office, held by the Walker Art Center.
Office Automation
Office automation is the use of computers and communication technology to carry out routine clerical work like billing, word processing, and email, reducing manual labor and improving productivity.