edgepedia

All articles starting with P

28,818 articles

Peacock bass

Peacock bass (Cichla spp.), also tucunaré or pavón, are large predatory South American cichlids from the Amazon and Orinoco basins; prized sport fish widely introduced worldwide, with documented severe impacts on native fish communities.

Peacock chair

A peacock chair, also called the Manila or Philippine chair, is a rattan chair with a high, fan-shaped back, first woven by inmates of Manila's Bilibid Prison in the early twentieth century.

Peacock Garden

Peacock Garden (孔雀园): a walk-through zoo or park exhibit where peafowl, usually blue peafowl, roam loose on lawns. Notable examples include Kunming Zoo's 1.4-hectare garden (1999), Yunnan Wildlife Park's thousand-bird lawn, and Jiayuguan's 30,000-bird breeding garden.

Peacock revolution

Peacock revolution: 1960s menswear movement shifting men from conservative suits to flamboyant colorful dress. Term coined by Ernest Dichter for DuPont in 1966; centered on Carnaby Street, London, boutiques like Mr Fish.

Peacock Room

The Peacock Room is a dining room Whistler decorated in 1876–1877 for shipowner Frederick Leyland, a masterpiece of the Aesthetic movement now in Washington, DC.

Peacock spider

Peacock spiders are tiny Australian jumping spiders of the genus Maratus, whose males raise brilliantly colored abdominal fans and perform species-specific courtship dances; adults measure 1.6 to 6 mm.

Peacock Theater

Peacock Theater, formerly Microsoft Theater and Nokia Theatre, is a 7,100-seat concert and events theater at L.A. Live in downtown Los Angeles, opened in 2007.

Peacock Throne

Peacock Throne (Takht-i Tavus, تخت طاووس), the jeweled Mughal imperial throne commissioned by Shah Jahan in 1628, set with the Koh-i-Noor and Timur Ruby, looted by Nader Shah in 1739 and dismantled after 1747; distinct from the Qajar Sun Throne in Tehran.

Peadar Tóibín

Peadar Tóibín is an Irish politician, leader of Aontú, which he founded in 2019 after leaving Sinn Féin, and a TD for Meath West since 2011.

Peafowl

Peafowl (Pavo cristatus, P. muticus, Afropavo congensis) are large pheasant-family birds; male peacocks display 1.7 m trains with 100-175 eyespots, rattling at 25-28 Hz at leks; Indian peafowl Least Concern, green peafowl endangered.

Péage (autoroute toll system)

The péage is the toll system that finances France's motorway network: the State owns the roads and private concessionaires collect tolls at barriers or by electronic tolling.

Peak

Peak (landform): the pointed top of a mountain, ridge, or hill, or a local maximum of a terrain surface. Also called summit high point. Distinguished from subordinate bumps by topographic prominence (key col) and isolation; no official mountain-versus-peak definition exists.

Peak (game studio)

Peak Games is an Istanbul-based mobile gaming company founded by Sidar Şahin in 2010, known for Toy Blast and Toon Blast and acquired by Zynga in 2020.

Peak (video game)

PEAK is a 2025 co-op climbing and survival game by Team PEAK (Aggro Crab and Landfall Games), released June 16, 2025 on Steam for $7.99. Scouts climb a daily-rotating island mountain across four biomes, managing stamina, hunger, and injury; it sold over ten million copies by August 2025.

Peak Aerospace Me 109R

Peak Aerospace Me 109R is a German replica warbird ultralight aircraft. Designed by Tassilo Bek, it is an 80 percent scale reproduction of the Messerschmitt Bf 109.

Peak AI

Peak AI is a Manchester, England-based decision-intelligence startup founded in 2015 by Richard Potter, David Leitch, and Atul Sharma, acquired by UiPath in March 2025.

Peak bagging

Peak bagging (hill bagging) is the hobby of summiting every peak on a defined list, begun with Sir Hugh Munro's 1891 Scottish tables; major lists include the Adirondack 46ers, New Hampshire 48, Colorado 14ers, and U.S. state highpoints.

Peak calling

Peak calling is a computational method that identifies enriched genomic regions, such as protein-DNA binding sites or open chromatin, from aligned sequencing reads in assays like ChIP-seq and ATAC-seq.

Peak Capital

Peak Capital is an Amsterdam-based early-stage venture capital firm founded in 2008 by Heleen Dura-van Oord and Johan van Mil, investing in European SaaS, marketplace, and platform companies.

Peak current-mode control

Peak current-mode control is a widely used control method for DC-DC converters, invented in 1967, in which the sensed peak inductor current terminates each switch on-time.

Peak detection (signal processing)

Peak detection is the computational identification of local maxima in measured signals, estimating each peak's position, height, width, and significance; it is standard in processing mass spectra and chromatograms.

Peak detector

A peak detector is an electronic circuit that captures and stores the highest voltage reached by an input waveform, typically with a diode that charges a storage capacitor.

Peak District

Peak District: upland area at the southern Pennines' tip, protected as the UK's first national park (17 April 1951), 555 sq mi across Derbyshire, Yorkshire, Staffordshire, and Cheshire, with Dark and White Peak landscapes, 13 million annual visitors.

Peak Downs Coal Mine

Peak Downs Coal Mine is a large open-pit metallurgical coal mine in Queensland's Bowen Basin, about 30 km south of Moranbah, opened in 1972 and operated by BMA, a BHP and Mitsubishi joint venture.

Peak expiratory flow

Peak expiratory flow (PEF, PEFR) is the maximum airflow speed during a forced expiration, measured in L/min with a peak flow meter; used to diagnose and monitor asthma via personal best scores and action plans.

Peak ground acceleration

Peak ground acceleration, or PGA, is the largest ground acceleration recorded at a point during an earthquake, usually expressed as a percentage of the acceleration of gravity, g.

Peak oil

Peak oil, or Hubbert peak oil, is the point when petroleum extraction reaches its maximum rate and production enters terminal decline, a concept from geophysicist M. King Hubbert.

Peak Partners L.P.

Peak Partners L.P. is a Delaware limited partnership operating as a private pooled investment fund in Newtown, Pennsylvania, managed by Mount Lucas Management since its first sale in 1992.

Peak Performance (clothing brand)

Peak Performance is a Swedish sportswear brand founded in Åre in 1986 by three professional skiers, making technical skiwear, golf, training, and outdoor apparel from Stockholm.

Peak Rock Capital

Peak Rock Capital is a middle-market private investment firm in Austin, Texas, founded in 2012, making private equity, credit, and real estate investments across North America and Europe.