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All articles starting with P

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Porphyry of Tyre

Porphyry of Tyre (234?–305? CE), Phoenician Neoplatonist philosopher, pupil of Plotinus, editor of the Enneads, author of the Isagoge, and critic of Christianity.

Porphysomes

Porphysomes are liposome-like nanovesicles, about 100 nm in diameter, self-assembled from porphyrin-conjugated phospholipids, first reported in 2011 and used as multimodal imaging and therapy agents.

Porpita porpita

Porpita porpita, the blue button, is a colonial hydrozoan of the Porpitidae (with Velella velella) that drifts on tropical and temperate ocean surfaces on a circular chitinous float, with gastrozooid, gonozooid, and dactylozooid polyps beneath.

Porpoise

Porpoise, family Phocoenidae: small toothed whales with spade-shaped teeth, triangular dorsal fins, and blunt beakless heads, distinct from dolphins. Six or seven species; harbor porpoise and critically endangered vaquita are best known.

Porpoise Bay

Porpoise Bay names several bays: one at the head of Sechelt Inlet, British Columbia (named 1860 by Captain Richards), a 170-km-wide embayment in Wilkes Land, Antarctica (named for the brig Porpoise), and a Catlins beach bay in New Zealand.

Porpoising

Porpoising is a longitudinal instability of high-speed planing craft and seaplane floats, where the hull oscillates in coupled pitch and heave and can grow until it capsizes the boat.

Porrazo

Porrazo (Parosso, Parear) is a Mexican-origin fishing card game played in the southwest USA with a 52-card deck; players capture by matching rank, score porrazo bonuses, rondas, limpias, and the tendido, and race to 61 points.

Porrhothele antipodiana

Porrhothele antipodiana, the black tunnelweb spider, is a large mygalomorph spider endemic to New Zealand, type species of the family Porrhothelidae. It builds silken tunnel webs under logs and rocks, ranges Auckland to Dunedin, and its bite is painful but not venomous.

Porridge

Porridge, called oatmeal in North America, is a thick hot cereal made by boiling oats or other grains in water or milk; known regionally as congee, kanji, and dakjuk, with Neolithic origins and beta-glucan fiber linked to heart health.

Porridge (1974 TV series)

Porridge (1974 TV series): BBC1 British prison sitcom by Dick Clement and Ian La Frenais, 1974–1977, starring Ronnie Barker as Norman Stanley Fletcher in fictional HMP Slade; three series, BAFTA winner, sequel Going Straight and 1979 film.

Porro prism

A Porro prism is a 45°–90°–45° reflecting prism that deviates light 180° and inverts the image, named after Ignazio Porro, whose 1854 patent covered the binocular design.

Porscha Coleman

Porscha Coleman, also known as Porscha Lee Coleman, is an American actress, singer, and television host, born in 1985 in Van Nuys, California, known for The Parkers and Wild 'n Out.

Porsche

Porsche, formally Dr. Ing. h.c. F. Porsche AG, is a German sports car manufacturer in Stuttgart, founded by Ferdinand Porsche in 1931 and famous for the 911.

Porsche 356

The Porsche 356 is the first sports car sold under the Porsche name, a rear-engined, air-cooled two-seater built from 1948 to 1965 and ancestor of all later Porsches.

Porsche 550

The Porsche 550 is a mid-engine racing sports car built by Porsche from 1952 to 1956, its first purpose-built racer, with a lightweight aluminum body and four-camshaft Fuhrmann engine.

Porsche 718

The Porsche 718, also known as Porsche RSK, is a mid-engine racing car built from 1957 to 1965, and since 2016 the name of Porsche's Boxster and Cayman.

Porsche 911

The Porsche 911 is a two-door, rear-engined sports car built by Porsche at Stuttgart-Zuffenhausen since 1964, powered by a flat-six engine and now in its eighth generation, with around 1.2 million built.

Porsche 911 (964)

The Porsche 911 (964) is the third generation of the Porsche 911 sports car, built from 1988 to 1994, introducing all-wheel drive, ABS, and Tiptronic to the 911.

Porsche 911 (996)

The Porsche 911 (996) is a generation of the 911 sports car, built from 1998 to 2005 and presented in 1997 as the first series 911 with a water-cooled engine.

Porsche 911 (997)

The Porsche 911 (997) is the sixth generation of the 911 sports car, launched in 2004, with 213,004 built through 2012 and round headlights recalling the air-cooled cars.

Porsche 911 (classic)

The classic Porsche 911 is the original air-cooled, rear-engined Porsche sports car, debuted in 1963 and built through the 993 generation, the last air-cooled, until 1998.

Porsche 911 GT1

The Porsche 911 GT1 is a racing car Porsche developed for GT motorsport, which débuted in 1996 and won the 1998 24 Hours of Le Mans.

Porsche 911 GT2

The Porsche 911 GT2, also known as the Porsche GT2, is a rear-wheel-drive version of the 911 Turbo with more power and less weight, introduced in 1994.

Porsche 911 GT3

The Porsche 911 GT3 is a high-performance variant of the Porsche 911 introduced in 1999, built around a high-revving naturally aspirated flat-six engine derived from Porsche's race cars.

Porsche 912

The Porsche 912 is a four-cylinder sports car Porsche built from 1965 to 1969, pairing the 911's body and chassis with the 356's 1.6-liter flat-four engine.

Porsche 914

The Porsche 914, sold in Europe as the VW-Porsche 914, is a mid-engine, Targa-roofed sports car produced from 1969 to 1976 as a Porsche and Volkswagen joint project.

Porsche 917

The Porsche 917 is a flat-12 endurance racing car built from 1969 to 1971 that gave Porsche its first Le Mans wins in 1970 and 1971.

Porsche 918 Spyder

The Porsche 918 Spyder is a mid-engine plug-in hybrid sports car built by Porsche in Stuttgart-Zuffenhausen from late 2013 to June 2015 in a run of 918 units.

Porsche 919 Hybrid

The Porsche 919 Hybrid is an LMP1 sports prototype Porsche raced in the FIA World Endurance Championship from 2014 to 2017, winning Le Mans in 2015, 2016, and 2017.

Porsche 924

The Porsche 924 is a front-engined, water-cooled sports car produced by Porsche from 1976 to 1988 as its entry-level model, originally designed for Volkswagen before Porsche bought the design.