All articles starting with P
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Plum Blossom Garden of Mo Shan
Plum Blossom Garden of Mo Shan (东湖梅园, East Lake Plum Garden), founded 1956 on Moshan, East Lake, Wuhan; one of China's four major plum gardens, holding 360+ varieties, 20,000+ trees, and over 80% of world plum varieties.
Plum Blossoms Valley Fairy Park
Plum Blossoms Valley Fairy Park (梅花谷·精灵乐园) is an outdoor parent-child theme park in Mingshan District, Ya'an, Sichuan, opened September 28, 2024 by Ya'an Shutian Tourism under Ya'an Cultural Tourism Group; about 180 mu, 40-plus elf-themed attractions near Mount Mengding tea country.
Plum Brook Station
Plum Brook Station, renamed the Neil A. Armstrong Test Facility in 2020, is NASA Glenn's 6,400-acre test campus in Sandusky, Ohio, with the world's largest vacuum chamber.
Plum Estate, Kameido
Plum Estate, Kameido (亀戸梅屋舗, Kameido Ume-yashiki) is an 1857 color woodblock print by Utagawa Hiroshige showing the plum garden behind the Kameido Tenjin shrine in Edo.
Plum Island (New York)
Plum Island, New York: 840-acre island in Long Island Sound off Orient Point, federal since 1899 as Fort Terry, home of the Plum Island Animal Disease Center from 1954, now slated for preservation after NBAF replaced it.
Plum Island Animal Disease Center
Plum Island Animal Disease Center (PIADC), a U.S. federal foreign-animal-disease research facility on an 840-acre island off New York, established 1954 by USDA, transferred to DHS in 2003, replaced by NBAF in Kansas; research ended 2025, diagnostics continuing during decommissioning.
Plum pox
Plum pox, or Sharka, a Potyvirus disease of Prunus stone fruit spread by aphids and infected propagation material; first found in Bulgaria around 1915–1917, eradicated from the US in 2019, still present in Ontario and Mexico.
Plum pudding model
The plum pudding model, also known as the Thomson model, was J. J. Thomson's 1904 model of the atom as a sphere of positive charge containing electrons.
Plum-cherry hybrid
Plum-cherry hybrid, also sold as pluerry, plumcherry, or cherry plum, is an interspecific Prunus cross between plum and cherry; cultivars include Candy Heart, Sugar Twist, Sweet Treat, Nadia, and hardy P. besseyi bush hybrids.
Plumage
Plumage is a bird's complete feather covering, its coloration and patterning. Produced by melanins, carotenoids, psittacofulvins, and structural nanostructures; serves camouflage, signaling, and insulation, and is replaced through moult.
Plumb
"Plumb" (Romanian for "Lead") is a poem by George Bacovia that opens his 1916 debut volume and stands as the emblematic poem of Romanian symbolism.
Plumb bob
A plumb bob, also called a plumb-line, is a weighted metal point hung on a string that gives builders and surveyors a vertical reference line.
Plumbagin
Plumbagin, chemically 5-hydroxy-2-methylnaphthalene-1,4-dione, is a naturally occurring naphthoquinone from the roots of the medicinal plant Plumbago zeylanica, studied for anticancer, antimicrobial, and anti-inflammatory activities but limited by toxicity.
Plumbaginaceae
Plumbaginaceae (leadwort family) is a Caryophyllales family of herbs and shrubs, sister to Polygonaceae, with 5-merous flowers, one ovule, salt-secreting glands, and genera such as Plumbago, Limonium, and Armeria.
Plumbago zeylanica
Plumbago zeylanica, commonly wild plumbago or Chitraka, is a scrambling shrub native to the tropics and subtropics, best known as a source of the bioactive compound plumbagin.
Plumber
A plumber is a tradesperson who installs, maintains, and repairs piping systems that carry water, gas, and waste. Most learn the trade through a 4- or 5-year paid apprenticeship.
Plumbing
Plumbing is the work or business of installing pipes, fixtures, and apparatus in buildings for bringing in water supply and removing liquid and water-borne wastes.
Plume (company)
Plume is a Palo Alto, California technology company founded in 2014 that supplies ISPs with a cloud platform for managed Wi-Fi, smart home, and cybersecurity services.
PLUMED
PLUMED, the community-developed PLUgin for MolEcular Dynamics, is an open-source library for free-energy calculations and enhanced sampling in molecular dynamics, interfaced with codes such as GROMACS, NAMD, and LAMMPS.
Plumeria
Plumeria, commonly known as frangipani or dok champa, is a genus of about 11 species of shrubs and small trees native to tropical America, grown for its fragrant, waxy flowers.
Plumeria rubra
Plumeria rubra, frangipani or temple tree (Apocynaceae), a deciduous tree native from Mexico to Venezuela, widely cultivated in the tropics for fragrant white, pink, yellow, or red flowers; IUCN least concern, medicinally used, low weed risk.
Plummer (lunar crater)
Plummer is a 75.70-km IAU-named impact crater on the lunar far side at 24.62S, 154.86W, light plain-filled with Schrodinger-basin ejecta, named for astronomer Henry Crozier Plummer (1875-1946).
Plummer–Vinson syndrome
Plummer–Vinson syndrome, also called Paterson–Kelly or sideropenic dysphagia, is a rare triad of dysphagia, iron-deficiency anemia, and postcricoid esophageal webs, mainly in middle-aged women, with increased hypopharyngeal and esophageal cancer risk.
Plumpy'nut
Plumpy'nut is the first ready-to-use therapeutic food (RUTF), a peanut-based fortified paste created in 1996 by Nutriset and André Briend to treat severe acute malnutrition in children at home, with 500 kcal per 92 g sachet.
Plunderer (manga)
Plunderer (プランダラ) is a completed 21-volume shōnen action-fantasy manga by Suu Minazuki (水無月すう), serialized in Monthly Shōnen Ace 2014-2022, set in postwar Althea where Counts measure worth; adapted as a 2020 Geektoys TV anime.
Plunderphonics
Plunderphonics: music built from pre-existing recordings whose sources stay recognizable; term coined by John Oswald in his 1985 Toronto essay, distinct from sampling, hip-hop, and sound collage; descended from musique concrète.
Plunge pool
A plunge pool is a basin that receives a free-falling jet from a dam spillway or outlet and dissipates its energy, protecting the riverbed from scour.
Plunkett & Macleane
Plunkett & Macleane is a 1999 British period action-comedy directed by Jake Scott, loosely based on real 18th-century highwaymen, starring Robert Carlyle and Jonny Lee Miller.
Plünnecke–Ruzsa inequality
The Plünnecke–Ruzsa inequality is a theorem in additive combinatorics stating that if |A+B| ≤ K|A|, then |kB − ℓB| ≤ K^(k+ℓ)|A|, proved by Plünnecke in 1970 and Ruzsa in 1989.
Pluperfect
Pluperfect, or past perfect, is the tense for an action completed before a past reference point, formed in English with had plus the past participle; from Latin plus quam perfectum, 'more than perfect'.