All articles starting with O
9,097 articles
OVERCOME-TBI study
OVERCOME-TBI (NCT06927063) is a prospective observational study at Turku University Hospital following up to 160 TBI patients from the TBIcare and PACoS-TBI cohorts with MRI, PET, blood biomarkers, and gut microbiome profiling at chronic post-injury time points.
Overcomer (film)
Overcomer is a 2019 American faith-based sports drama directed by Alex Kendrick, in which a coach who loses his basketball team reluctantly trains an asthmatic cross-country runner, Hannah Scott.
Overcompensating (TV series)
Overcompensating is a Prime Video college comedy created by and starring Benito Skinner, premiering May 15, 2025 with eight episodes about a closeted freshman at Yates University; renewed for a second season in September 2025.
Overconfidence effect
Overconfidence effect: cognitive bias with three forms, overestimation, overplacement (better-than-average effect), and overprecision, in which confidence exceeds actual performance, ability, or calibration; studied via hard-easy effects, clinical and financial decision making, and trait debates.
Overconsolidation ratio
The overconsolidation ratio (OCR) in soil mechanics is the ratio of a soil's past maximum effective stress to its present overburden stress, distinguishing soils that have been unloaded.
Overconstrained mechanism
An overconstrained mechanism is a linkage with more kinematic constraints than the standard mobility count requires that still moves, since special geometric relationships among its joints make some constraints dependent.
Overcontact binary
An overcontact binary is a binary star system in which both stars overfill their Roche lobes, sharing a common envelope and forming a single peanut-shaped object.
Overcooked
Overcooked (2016) is a 1-4 player couch co-op cooking game by Ghost Town Games, published by Team17; known for chaotic time-limited kitchens, the China nickname "Divorce Kitchen," sequels Overcooked 2 and All You Can Eat, and the upcoming Stage Fright.
Overcooked 2
Overcooked! 2 (2018) is a chaotic co-op cooking game by Ghost Town Games and Team17, sequel to Overcooked. Adds online multiplayer for up to four players, food throwing, and dynamic shifting kitchens; Metacritic 81.
Overcurrent protection
Overcurrent protection is a power system protection method in which a relay trips a circuit breaker when current exceeds a preset pickup value, after a fixed or inverse-time delay.
Overdetermined system
An overdetermined system is a system of equations, typically linear, with more equations than unknowns, arising in curve fitting and satellite positioning and usually solved by least squares.
Overdiagnosis
Overdiagnosis: diagnosing conditions that would never have harmed a patient, especially in cancer screening; MeSH-defined, estimated at 17-38% in randomized screening trials, causing overtreatment harm.
Overdraft
An overdraft occurs when a bank pays a transaction exceeding a customer's deposit account balance, leaving a negative balance the customer must repay, usually with a flat fee.
Overdrive (2017 film)
Overdrive is a 2017 action thriller directed by Antonio Negret and starring Scott Eastwood and Freddie Thorp as half-brother car thieves caught by a Marseille crime boss.
Overdrive (mechanics)
Overdrive (mechanics) is a transmission gear ratio below 1:1, so the output spins faster than the engine crankshaft, cutting RPM, noise, and fuel use on highways.
Overexploitation
Overexploitation is harvesting wild species faster than they can recover; a leading IPBES driver of biodiversity loss, dominant in oceans, seen in the 97% cod decline, bushmeat hunting, logging, and wildlife trade.
Overexploitation of groundwater
Overexploitation of groundwater, also called groundwater overdraft or aquifer overexploitation, is the extraction of water from aquifers faster than they are replenished by recharge, causing declining groundwater storage worldwide.
Overexposed (album)
Overexposed is the fourth studio album by American pop rock band Maroon 5, released on June 26, 2012 and executive produced by Max Martin. It peaked at No. 2 in the US and UK.
Overfalls
Overfalls are areas of rough, breaking sea caused by strong tidal currents over shoals, meeting currents, or wind against tide; a charted nautical hazard related to tide rips and tidal races.
Overfire air
Overfire air (OFA) is a combustion modification that diverts 5 to 20 percent of a furnace's air to ports above the burners, reducing nitrogen oxide (NOx) formation.
Overfishing
Overfishing, also called fishing pressure, is the removal of fish from a stock faster than it can replace through growth and reproduction, affecting 35.5 percent of assessed marine fish stocks.
Overfitting
Overfitting is a failure mode in machine learning where a model fits its training data, including random variation, so closely that it predicts poorly on new, unseen data.
Overflow spillway
An overflow spillway, or ogee spillway, passes flood water over the top of a dam on a crest shaped to match a falling water sheet.
Overgeared (템빨)
Overgeared (템빨, Temppal) is a South Korean VRMMO web novel by Park Saenal, serialized 2014–2024 at 2,059 chapters, in which Shin Youngwoo (Grid) gains the legendary blacksmith class Pagma's Successor in the game Satisfy. Adapted into a manhwa (2020), an October 2026 J.C.Staff anime, and a Nexon/GrayGames MMORPG.
Overgrazing
Overgrazing: grazing livestock above a pasture's carrying capacity, degrading rangelands through vegetation loss, soil erosion, compaction, and carbon loss; also called overstocking, a major dryland degradation driver.
Overhaul (maintenance)
An overhaul is a comprehensive maintenance process in which a machine is completely disassembled, cleaned, inspected, repaired, reassembled, and tested so it can return to service for a further period of operation.
Overhaul Group, Inc.
Overhaul Group, Inc. is an Austin, Texas-based supply-chain risk-management software company founded by Barry Conlon and David Broe in 2015, serving enterprise shippers like Microsoft and Dyson.
Overhaulin'
Overhaulin' is an American automotive reality series hosted by Chip Foose, in which owners' cars are secretly rebuilt in one week and revealed. Aired on TLC 2004–2008, Velocity 2012–2015, and MotorTrend 2019–2020, 10 seasons, over 100 cars built.
Overhead (business)
Overhead, also known as overhead costs, is the ongoing expenditure of a business on labor, materials, or services that cannot be identified with a specific saleable product.
Overhead camshaft engine
An overhead camshaft (OHC) engine mounts its camshafts in the cylinder head, close to the valves, allowing faster valve operation, higher engine speeds, and three or four valves per cylinder.