All articles starting with P
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Parthia (θava)
Parthia (Parθava), the mountainous region southeast of the Caspian Sea, gave its name to the Arsacid (Parthian) Empire founded by Arsaces I around 247 BCE, which ruled from the Euphrates to Central Asia for nearly 500 years until the Sasanian rise in 228 CE.
Parthian army
The Parthian army (سپاه اشکانی) was the military force of the Arsacid empire, a feudal levy of horse-archers and armored lancers that defeated Rome at Carrhae in 53 BC.
Parthian cataphracts
The Parthian cataphracts (زرهپوشان پارتی) were the heavily armored lancers of the Parthian army, riders and horses alike in coats of mail, famous for defeating Crassus at Carrhae in 53 BC.
Parthian civil war between Vardanes I and Gotarzes II
The Parthian civil war between Vardanes I and Gotarzes II was an Arsacid succession struggle from about 38 to 51, ending with Gotarzes II on the throne.
Parthian coinage
Parthian coinage (پارتی سکه) is the silver-based money struck by Iran's Arsacid dynasty from the mid-3rd century BC until the Sasanian seizure of power in AD 224.
Parthian Empire
The Parthian Empire, also called the Arsacid Empire, was an Iranian state founded by Arsaces around 247 BCE, ruling a territory between Rome and Central Asia until 224 CE.
Parthian Fortresses of Nisa
Parthian Fortresses of Nisa: twin tells of Old and New Nisa near Ashgabat, Turkmenistan, capital and royal citadel (Mithradatkert) of the Parthian Empire, UNESCO World Heritage site since 2007, famed for ivory rhyta and Parthian ostraca.
Parthian invasion of Syria and Judea (40 BC)
The Parthian invasion of Syria and Judea was a Parthian attack on Rome's eastern provinces in 40 BC, led by Pacorus and the Roman renegade Quintus Labienus.
Parthian sack of Jerusalem (40 BC)
The Parthian sack of Jerusalem (غارت اورشلیم توسط اشکانیان) was the capture of Jerusalem in 40 BC by Parthian forces, who enthroned Antigonus Mattathias while Herod fled to Rome.
Parthian Stations
The Parthian Stations (Stathmoi Parthikoi) is a short Greek itinerary by Isidorus of Charax, written under Augustus, listing stations and distances from Zeugma to Alexandria in Arachosia.
Parthian War of Lucius Verus
The Parthian War of Lucius Verus (161–166) was a Roman-Parthian war over Armenia and Mesopotamia, in which Rome sacked the Parthian capital Ctesiphon before peace in 166.
Parthiban Kanavu
Parthiban Kanavu (பார்த்திபன் கனவு, "Parthiban's Dream") is a Tamil historical novel by Kalki R. Krishnamurthy, his first, set in the 7th century and serialized from 1941 to 1943.
Parthiv Patel (પાર્થિવ પટેલ)
Parthiv Patel (પાર્થિવ પટેલ), Indian wicketkeeper-batsman; Test debut at 17 years 153 days in 2002; 25 Tests, 38 ODIs, 2 T20Is; led Gujarat to maiden Ranji title 2016-17; retired 2020; now Gujarat Titans assistant and batting coach.
Parti
Parti (Pathways Autoregressive Text-to-Image) is a text-to-image model published by Google Research in June 2022 that generates images token by token like a language model, scaled to 20 billion parameters but never publicly released.
Parti Bersatu Sabah
Parti Bersatu Sabah (PBS, or United Sabah Party) is a multiracial political party in Sabah, Malaysia, founded in 1985 by Joseph Pairin Kitingan, which governed Sabah from 1985 to 1994.
Parti Gerakan Rakyat Malaysia
Parti Gerakan Rakyat Malaysia (Gerakan), the Malaysian People's Movement Party, is a Malaysian party founded in 1968 that governed Penang 1969-2008, joined the Alliance/Barisan Nasional ruling coalition, and now sits in Perikatan Nasional under president Dominic Lau Hoe Chai.
Parti Pesaka Bumiputera Bersatu
Parti Pesaka Bumiputera Bumiputera Bersatu (PBB) is a Malaysian political party formed in 1973, dominant in Sarawak politics and the leading component of the governing GPS coalition.
Parti Québécois
Parti Québécois (PQ), Quebec pro-independence party founded by René Lévesque in 1968, led by Paul St-Pierre Plamondon; won the October 5, 2026 election with 59 of 125 seats, short of a majority, pledging a referendum not before January 2029.
Partia Razem
Partia Razem (Together) is a democratic-socialist Polish party founded in 2015, led by Adrian Zandberg and Aleksandra Owca; it left the Lewica caucus in 2024 and polls around 4 percent.
Partial adjustment model
The partial adjustment model is an econometric model of gradual change, introduced by Marc Nerlove in 1958, in which a variable closes a fixed fraction of its gap to target each period.
Partial androgen insensitivity syndrome
Partial androgen insensitivity syndrome (PAIS, partial androgen resistance syndrome) is an X-linked 46,XY difference of sex development from partially functioning AR gene mutations, causing variable under-masculinization, hypospadias, infertility, and gonadal tumor risk.
Partial atrioventricular septal defect
Partial atrioventricular septal defect (partial AVSD, ostium primum ASD, incomplete AV canal) is a congenital heart defect with a primum atrial septal defect, intact ventricular septum, and cleft mitral valve; surgical repair gives 98% 10-year survival with about 11% reoperation risk.
Partial breast irradiation
Partial breast irradiation (PBI) is a radiation therapy for early-stage breast cancer that treats only the lumpectomy bed plus a margin, in a shorter course than whole-breast irradiation.
Partial charge
A partial charge is a non-integer atomic charge assigned to an atom in a molecule to represent uneven electron distribution, with no unique correct value.
Partial colectomy
Partial colectomy, also known as subtotal colectomy, is an operation that removes a segment of the colon, most often to treat colon cancer, diverticulitis, or inflammatory bowel disease.
Partial correlation
Partial correlation, written r12.3, is the correlation between two variables after control variables' linear influence is removed from both, as if the controls were held constant.
Partial credit model
The partial credit model is a Rasch item response theory model for scoring responses in two or more ordered categories, introduced by Geoff N. Masters in Psychometrika in 1982.
Partial Denture
Partial denture: removable prosthesis replacing one or more but not all natural teeth, retained by clasps on remaining teeth and gum tissue; acrylic, nylon, or metal; first documented 1711; improves short-term oral quality of life.
Partial derivative
A partial derivative, or partial differentiation, is the derivative of a multivariable function with respect to one variable, the others held constant, computed with ordinary differentiation rules.
Partial differential equation
A partial differential equation (PDE) is an equation for a function of several variables involving its partial derivatives, describing how quantities vary in space and time.