All articles starting with P
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Polyvinylidene chloride
Polyvinylidene chloride (PVDC) is a chlorine-containing polymer used almost entirely as a high-barrier film or coating that blocks oxygen, moisture, aroma, and grease in packaging.
Polyvinylidene fluoride
Polyvinylidene fluoride (PVDF), also sold as Kynar, is a semicrystalline fluoropolymer used for chemical piping, water-treatment membranes, and as the standard cathode binder in lithium-ion batteries.
Polyvinylpyrrolidone
Polyvinylpyrrolidone, also called povidone or polyvidone, is a water-soluble synthetic polymer patented in 1939 and widely used as a binder and film former in pharmaceuticals and cosmetics.
Polywater
Polywater, also called anomalous water, was a supposed polymeric form of water reported in the 1960s and shown by 1971 to be ordinary water contaminated with dissolved silicates and salts.
Polywater controversy
The polywater controversy was a scientific dispute over "polywater" (anomalous water), reported by Soviet scientists in the 1960s and shown to be contaminated ordinary water by 1973.
Polyynes
Polyynes are linear molecules of sp-hybridized carbon with alternating single and triple bonds, the oligomers of acetylene, and the model compounds used to predict the structure and properties of carbyne.
Pom Klementieff
Pom Klementieff, French actress born in Quebec in 1986, plays Mantis in the Marvel Cinematic Universe and Paris in Mission: Impossible Dead Reckoning and The Final Reckoning; trained at Cours Florent.
Pom Poko
Pom Poko (平成狸合戦ぽんぽこ, Heisei tanuki gassen ponpoko, The Raccoon War) is Isao Takahata's 1994 Studio Ghibli animated film about shape-shifting tanuki resisting Tokyo's Tama New Town development; released July 16, 1994, 119 minutes, top Japanese film of 1994.
Pomace
Pomace is the pulpy residue of skins, seeds, and stalks left after fruit is pressed for juice, most often the main solid by-product of winemaking.
Pomacentridae
Pomacentridae (damselfishes, clownfishes, anemonefishes; Bonaparte 1831) is a family of tropical reef fishes with 29 genera and about 434 species, chiefly Indo-Pacific, dominant in the marine aquarium trade.
Pomade
Pomade, historically called pomatum, is a scented, greasy or waxy hair dressing used to hold and shine styled hair; the name reflects an original recipe of mashed apples in grease.
Pomaks (Помаци)
Pomaks (Помаци): Slavic-speaking Muslim community of the Rhodope Mountains, living in Bulgaria, Greece, Turkey, Albania, and North Macedonia, speaking Bulgarian dialects; gradually Islamized under Ottoman rule, contested origin narratives, endangered Pomak language with no standard.
Pomalidomide
Pomalidomide (Pomalyst, Imnovid, CC-4047) is an oral thalidomide-analogue IMiD for relapsed/refractory multiple myeloma with dexamethasone; FDA accelerated approval 2013, cereblon mechanism, REMS-restricted.
Pomalidomide and dexamethasone regimen
The pomalidomide–dexamethasone regimen (Pd) is an all-oral combination treatment for relapsed and refractory multiple myeloma, approved in 2013 and used as the doublet backbone for pomalidomide-based triplets.
Pōmare dynasty
The Pōmare dynasty was the ruling family of the Kingdom of Tahiti, founded by Pōmare I in the late eighteenth century and ending with French annexation in 1880.
Pōmare I
Pōmare I is the name of two Pacific leaders: Tu, first king of Tahiti who died in 1803, and Whētoi, a New Zealand Māori chief who died in 1826.
Pōmare II
Pōmare II (Tahitian: Tunuiēaaitetaua, also known as Tu) was the second ruler of the Pōmare dynasty of Tahiti, reigning from 1791 until his death in 1821.
Pōmare IV
Pōmare IV was the queen of the Kingdom of Tahiti from 1827 to 1877, the fourth sovereign of the Pōmare dynasty and its only reigning queen.
Pomarico Vecchio
Pomarico Vecchio is a fortified Lucanian hilltop settlement on the hill of San Giacomo in Basilicata, southern Italy, mainly occupied from the 4th to the 3rd century BC.
Pomatiopsidae
Pomatiopsidae (Stimpson, 1865) is a family of minute operculate freshwater snails of Asia and other continents, with subfamilies Pomatiopsinae and Triculinae; several genera, notably Oncomelania and Neotricula, are intermediate hosts of Schistosoma blood flukes.
Pomato
Pomato (馬鈴茄), also called TomTato or tomtato, is a tomato scion grafted onto a potato rootstock, yielding both crops from one plant; first fruited by Oscar Soderholm in 1930, commercialized as TomTato in 2013, not a GMO.
Pombaline reforms in Brazil
The Pombaline reforms in Brazil (Reformas pombalinas no Brasil) were wide-ranging reforms in Portuguese America between 1750 and 1777, under Sebastião José de Carvalho e Melo, Marquis of Pombal.
Pome
A pome is a fleshy fruit of the rose family, such as the apple, pear, quince, or medlar, whose flesh derives from the hypanthium around a leathery core, the true fruit.
Pomegranate
Pomegranate (Punica granatum, انار, رمان), a Lythraceae shrub native from Türkiye to Pakistan, domesticated about 10,000 years ago in Iran; grown for its polyphenol-rich arils, with blood-pressure evidence the strongest human finding.
Pomegranate carved in the round
The pomegranate carved in the round is a small Neo-Assyrian ivory ornament from Nimrud, dating to the ninth or eighth century BCE and held by the Metropolitan Museum of Art.
Pomegranate extract
Pomegranate extract (Punica granatum), a punicalagin- and polyphenol-rich preparation from whole fruit or peel; GRAS as whole fruit extract (GRN 1064, FDA no questions, 2023); used in supplements and as natural food preservative.
Pomelo
Pomelo (柚), Citrus maxima, also called pummelo or shaddock, is an ancestral Asian citrus species with large, mild, sweet fruit; the grapefruit is its hybrid with sweet orange (about 63% pomelo DNA).
Pomelo Fashion
Pomelo Fashion is a Bangkok-based own-brand fashion e-commerce and omnichannel retailer founded in 2013 by David Jou, Casey Liang, and Win Thanapisitikul, backed by JD.com and Central Group.
Pomeranchuk effect
The Pomeranchuk effect is the counterintuitive phenomenon in which liquid helium-3 solidifies when heated rather than cooled below about 0.3 kelvin, because the solid carries more entropy than the liquid.
Pomeranchuk instability
The Pomeranchuk instability is an instability of a Fermi liquid in which the Fermi surface spontaneously deforms or the liquid phase-separates, identified by Isaak Pomeranchuk in 1958.