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All articles starting with P

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Parametric magnetic resonance imaging

Parametric magnetic resonance imaging is a medical imaging approach that maps relaxation times such as T1, T2, and T2 pixel by pixel in absolute units, detecting diffuse disease conventional MRI misses.

Parametric polymorphism

Parametric polymorphism is a form of polymorphism in which one piece of code written with type variables works uniformly at many types, as in Java or Haskell generics.

Parametric programming

Parametric programming is the study of optimization problems whose objective or constraints depend on deterministic parameters, producing a solution map computed offline for fast online evaluation.

Parametric resonance

Parametric resonance is the exponential instability of an oscillator caused by periodically varying a parameter such as stiffness or length, strongest when the modulation frequency is close to twice the natural frequency, unlike ordinary forced resonance.

Parametric rolling

Parametric rolling is a self-reinforcing ship roll motion caused when waves periodically reduce transverse stability, occurring mostly in head and following seas; the 1998 APL China casualty made it a regulatory concern.

Parametric statistics

Parametric statistics is the branch of statistics in which data are analyzed through a mathematical model depending on a finite number of unknown parameters, contrasted with non-parametric methods.

Parametricity

Parametricity is the property of polymorphic functions in type theory that they behave uniformly across type instantiations: such a function cannot inspect its type arguments, an idea formalized relationally by Reynolds in 1983.

PARAMICS

PARAMICS is a microscopic traffic simulation package modeling individual vehicles on road networks, developed at the University of Edinburgh and now sold as Paramics Discovery by SYSTRA.

Paramilitary

Paramilitary: armed forces organized like military units but outside regular state commands, including gendarmeries, pro-government militias, and groups such as Colombia's AUC, Sudan's RSF, and the post-1917 Freikorps.

Pāramitā

Pāramitā (Pāli pāramī, Chinese 波罗蜜 boluomi) is a set of Buddhist virtues a bodhisattva perfects on the path to Buddhahood, enumerated as six in Mahāyāna texts and ten in Theravāda.

Paramjit S. Arora

Paramjit S. Arora is a Professor of Chemistry at New York University working in chemical biology, known for the hydrogen bond surrogate approach to stabilized α-helices.

Paramo Frontino

Páramo de Frontino (Páramo del Sol), a páramo ecosystem and upland in Antioquia's Western Cordillera, Colombia; 3,717 m upland, Alto Campanas ~4,080 m; largest Western Andes páramo, volcanic caldera, key paleoclimate record.

Paramodulation

Paramodulation is an inference rule in automated theorem proving, introduced by George Robinson and Larry Wos in 1969 to build equality reasoning into resolution while eliminating explicit equality axioms.

Paramore

Paramore is an American rock band formed in 2004 in Franklin, Tennessee, fronted by Hayley Williams with Taylor York and Zac Farro. Known for Riot!, Ain't It Fun, and the Grammy-winning 2023 album This Is Why.

Paramore (album)

Paramore (2013) is the fourth studio album by American rock band Paramore, released April 9, 2013 on Fueled by Ramen; self-titled, first album without the Farro brothers, produced by Justin Meldal-Johnsen, featuring Ain't It Fun, their Grammy-winning highest-charting single.

Paramore discography

Paramore discography: catalog of the Franklin, Tennessee rock band Paramore, six studio albums 2005-2023 (All We Know Is Falling to This Is Why), plus the Re: This Is Why remix album, live releases, EPs, and soundtrack singles.

Paramotor

A paramotor, also called a powered paraglider, is a backpack engine and propeller worn while flying a paraglider wing, foot-launched from a short strip of grass.

Paramount Animation

Paramount Animation is the animation division of Paramount Pictures, announced in 2011 and reinvigorated in 2017, producing theatrical animated features for family audiences such as Rango and Transformers One.

Paramount Global

Paramount Global, originally named ViacomCBS, was an American media company formed in 2019 by merging Viacom and CBS, renamed in 2022, and absorbed by Skydance in 2025.

Paramount Hotel explosion

The Paramount Hotel explosion was a natural gas explosion and fire that destroyed part of the Paramount Hotel in downtown Boston on January 28, 1966, killing 11 people.

Paramount leader

Paramount leader: the highest-ranking chief in a customary leadership system, head of a two-tier chiefdom; used in anthropology and formally recognized in states such as Zambia, Sierra Leone, and Cameroon.

Paramount Media Networks

Paramount Media Networks is Paramount Skydance's cable and premium TV networks division, holding MTV, Nickelodeon, Comedy Central, BET, Paramount Network and related brands inside the TV Media segment, which supplies about 65% of company revenue.

Paramount Network

Paramount Network is an American basic cable channel launched January 18, 2018 as the rebrand of Spike TV, owned by Viacom, later Paramount Global. Known for Yellowstone, Waco, Bar Rescue reruns; distinct from Paramount+ streaming.

Paramount Pictures

Paramount Pictures Corporation, the oldest surviving major Hollywood studio, founded via Adolph Zukor's 1912 Famous Players and the 1914 Hodkinson distribution company; now under Paramount, a Skydance Corporation, after the 2024 National Amusements deal.

Paramount Resources

Paramount Resources is a Canadian independent oil and gas exploration and production company headquartered in Calgary, Alberta, founded by geologist Clay Riddell and public since 1978.

Paramount Skydance

Paramount Skydance is an American media company formed on August 7, 2025, by David Ellison's $8 billion merger of Skydance Media with Paramount Global, uniting Paramount Pictures, CBS, and Paramount+.

Paramount Television Network

Paramount Television Network was a television network attempt by Paramount Pictures after its 1949 theater divestiture, ended by the FCC's 1953 approval of the ABC merger.

Paramount Tower

Paramount Tower, also called The Paramount, is a 43-story residential high-rise at 680 Mission Street in San Francisco's SoMa district, completed in 2001 as the city's tallest residential building.

Paramount+

Paramount+ is a subscription streaming service owned by Paramount, known for live NFL on CBS, UEFA Champions League, and content from CBS, Showtime, and Nickelodeon.

Paramountcy

Paramountcy (सर्वोच्चता) was the British Crown's doctrine of supreme authority over India's princely states, first clearly stated in 1820 and famously left undefined by the 1929 Butler Committee, which declared that "paramountcy must remain paramount."