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Polly Hill Arboretum The Polly Hill Arboretum includes 8 ha (20 acres) under cultivation, with an additional 16 ha (40 acres) of native woodland, located on Martha's Vineyard at 809 State Road, West Tisbury, Massachusetts, USA. It has been developed since 1958 by the horticulturist, Polly Hill.
Polly Holliday (actor) Polly Dean Holliday (born July 2, 1937 in Jasper, Alabama) is an American actress, best known for her role as Florence Jean Castleberry ("Flo") on the television series Alice, and later on her own show, Flo. In the late 1990s she had a recurring guest role on Home Improvement as Jill's mother.
Polly Klaas Polly Hannah Klaas (January 3, 1981 - October-November 1993) was a kidnap and murder victim whose case gained national attention in the United States. At the age of twelve, she was kidnapped at knifepoint from her mother's home in Petaluma, California on October 1, 1993.
Polly Klaas Foundation The Polly Klaas Foundation is a nonprofit organization devoted to preventing crimes against children, assisting in the recovery of missing children, and lobbying for legislative assistance. The foundation was formed October 23, 1993 to search for Polly Klaas.
Polly Maberly Polly Maberly (born in 1976 in Reigate, Surrey, England) is an English actress. She portrayed the role of Kitty Bennet in BBC's 1995 adaptation of Pride and Prejudice and is the older sister of the actress Kate Maberly.
Polly O'Keefe Polyhymnia (Polly) O'Keefe is the protagonist of the Madeleine L'Engle novels A House Like a Lotus and An Acceptable Time, and a major character in two previous books, The Arm of the Starfish and Dragons in the Waters. The eldest daughter of Meg Murry O'Keefe and Dr.
Polly Roger Polly Roger is a fictional parrot who appears in the Donkey Kong Country animated series. The most notorious of the villains featured on the show, he is perhaps the show's counterpart to Screech, the evil parrot featured in Donkey Kong Country 2.
Polly Samson Polly Samson, journalist and writer, was born in London in 1962 to a diplomatic correspondent father and a writer mother of Chinese descent (mother, Esther Cheo Ying, wrote a memoir Black County Girl In Red China, about her time serving as a Major in Mao Zedong's Red Army) . Following a troubled childhood, she joined the publishing industry, through which she met the writer Heathcote Williams, with whom she had her first son, Charlie.
Polly Shortts Polly Shortts is a hill on the outskirts of Pietermaritzburg, KwaZulu Natal, South Africa. Polly Shortts is named after a farmer who lived nearby, and whose help was often sought when after heavy rain, the road up the hill became muddy and impassable.
Polly Toynbee Polly Toynbee (born Mary Louisa Toynbee on December 27 1946) is a journalist and writer with social democratic views in the United Kingdom, and has since 1998 been a highly influential columnist for The Guardian newspaper. Her columns support New Labour when its actions fit her philosophy, and oppose them when they do not.
Polly Umrigar Pahlan Ratanji "Polly" Umrigar (28 March 1926 - 7 November 2006) was an Indian cricketer. He played first-class cricket for Bombay, and Test cricket in the Indian cricket team, mainly as a middle-order batsman but also bowling occasional medium pace and off spin.
Pollyfilla Pollyfilla (aka Colin McLean) is Wellington's most famous drag artiste. She was conceived in 1999 by at the time 21 year old Colin McLean of Lower Hutt and through the years has become an icon not only of Wellington's Queer community, but the wider community and New Zealand as a whole, performing regularly at social and community events, attending GLBT rights rallies, entertaining on stage, film and television, as well as being the mainstay for drag entertainment at Wellington's popular gay venue Pound Nightclub and Bar.
PollyWorld PollyWorld is a direct-to-video animated film from Universal Studios, based on the Polly Pocket toy franchise. It premiered on November 12, 2006 on Nickelodeon in the United States, and was released on DVD the following Tuesday.
Polmont rail crash The Polmont rail crash occurred on 30 July 1984 at Polmont, near Falkirk, Scotland. The 17:30 express from Edinburgh to Glasgow, travelling at around 85 mph, struck a cow which had wandered onto the track near Polmont station.
Polmont railway station Polmont railway station is a railway station serving the village of Polmont, Scotland. It is located on the Glasgow to Edinburgh via Falkirk Line and is also served by First ScotRail services from Edinburgh to Dunblane.
Polmos Polmos (an acronym for Polski Monopol Spirytusowy, Polish Spirit Monopoly) was a Polish state-owned monopoly, controlling the Polish market of spirits, fine spirits and other alcohols. Founded in late 1920's, until World War II it was one of the leading vodka producers in Poland.
Polo (flamenco palo) Polo is the name of a flamenco palo or musical form. There is only one known song in this palo, which is extremely similar to another palo called caĂ±a, and its guitar accompaniment, like the caĂ±a, shares its rhythm and motifs with soleĂˇ.
Polo at the 1936 Summer Olympics Polo returned to the Olympic program at the 1936 Summer Olympics in Berlin, after not being contested at the 1928 Games or 1932 Games. The 1936 tournament was the last time that the sport was contested at the Olympic Games.
Polo Step (code name) Classified as Top Secret, Polo Step was a United States Department of Defense code name or â€compartmentâ€™ that was initially created in the late 1990s to designate closely held planning information on covert operations against Al Qaeda in Afghanistan. A person could have a Top Secret clearance, but if they did not have a â€Polo Stepâ€™ authorization as well, they would not have a need to know about the planning.
Polo UrĂas Polo UrĂas is a norteĂ±o singer and accordionist from Ojinaga, Mexico. Polo UrĂas was formerly the lead singer of Los Rieleros del Norte, but in the 1990s, he went on to form his own band, Polo UrĂas y su Maquina NorteĂ±a.
Polo wraps Polo wraps bandage materials, usually made of fleece, for a horse's legs. They are quite stretchy compared to other bandaging materials, and are used for mainly for protection during ridden work, longeing], and turnout.
Polo-Cockta Polo-Cockta (sometimes written as 'Polo Cockta' or 'Polo-Cocta') is a Polish Coca-Cola-like drink introduced in the 1970s. The origins of Polo-Cockta are pretty clear - the Polish society needed something American, but during the communism in Poland and other Eastern European countries it was impossible because of limited import from USA.
Polog Polog (Cyrillic: ĐźĐľĐ»ĐľĐł) also known as the Polog Valley (ĐźĐľĐ»ĐľŃĐşĐ°Ń‚Đ° ĐšĐľŃ‚Đ»Đ¸Đ˝Đ°, PoloĹˇkata Kotlina) , is located in the north-western part of the Republic of Macedonia. It is divided into Upper and Lower Polog.
Polochans Polochans (Belarusian: ĐźĐ°Đ»Đ°Ń‡Đ°Đ˝Đµ, Russian: ĐźĐľĐ»ĐľŃ‡Đ°Đ˝Đµ) were a tribe of early East Slavs, who inhabited the area in the middle of the Western Dvina in the 9th century. Alternative meaning: inhabitants of Polotsk.
Polonaise (clothing) A polonaise (originally robe Ă la Polonaise) is a woman's garment of the later 1770s and 1780s or a similar revival style of the 1880s, consisting of a gown with a fitted bodice and cutaway, draped and poofed overskirt, worn over an underskirt or petticoat.
Polonaise (vodka) Polonaise is a Polmos ĹaĹ„cut vodka made from supreme quality rectified grain spirit and crystal-clear water. According to its producer it has a pleasant and delicate aroma and flavor with notes of the grain it is made from.
Polonia Polonia, the name for Poland in Latin and many Romance and other languages, refers in modern Polish to the Polish diasporaâ€”people of Polish origin who live outside Polish borders. There are roughly 15â€“20 million people of Polish ancestry living outside Poland.
Polonia Restituta The Order of Polonia Restituta (, ) is a Polish Order (decoration) established on February 4, 1921. The Order can be conferred for distinguished services, both civil and military, and may also be conferred on foreigners.
Polonium Polonium (IPA: ) is a chemical element in the periodic table that has the symbol Po and atomic number 84. A rare and highly radioactive metalloid, polonium is chemically similar to tellurium and bismuth, and it occurs in uranium ores.
Polonius Polonius is a character from William Shakespeare's Hamlet. The character is best known for uttering the immortal words: "To thine own self be true," as well a few other phrases still in use today such as "Neither a borrower nor a lender be" and "brevity is the soul of wit.
Polonization Polonization () is the acquisition or imposition of elements of Polish culture, especially the Polish language, experienced by the non-Polish population of the territories controlled by Poland or with a significant Polish influence, in different historical periods. Polonization is often compared to other assimilationist policies carried out at times by other European powers that aspired to the regional domination (e.
Polonnaruwa The second most ancient of Sri Lanka's kingdoms, Polonnaruwa was first declared the capital city by King Vijayabahu I, who defeated the Chola invaders in 1070 CE to reunite the country once more under a local leader. While Vijayabahu's victory and shifting of Kingdoms to the more strategic Polonnaruwa is considered significant, the real Polonnaruwa Hero of the history books is actually his grandson, Parakramabahu I.
Polophylax Polophylax (Greek: guardian of the pole) was a southern constellation that laid where Tucana and Grus now is. It was introduced by Petrus Plancius in the early 17th century, but it was not widely accepted or recognized.
Polovetsian Dances The Polovetsian Dances are perhaps the best known selections from Alexander Borodin's opera Prince Igor. They are often played as a stand-alone concert piece as one of the best known works in the classical repertoire.
Polow Polow (Persian: ŮľŮ„Ů), Pullau (Hindi: ŕ¤Şŕ¤˛ŕĄŤŕ¤˛ŕĄŚ, Urdu: ŮľŮ„Ů), or Chelow is the common name of cooked rice in the Persian language and Hindustani language. There are different methods for preparation of Polow and these methods are different from the common methods used in the Western cuisine or Eastern Asia cuisine amd Polow is not sticky as the similar eastern ones.
Polow Da Don Polow Da Don (born Polow-Freache Jones) is an Atlanta-based music producer who rose to fame in late 2005, early 2006 for a string of hit singles for artists including Ludacris, Jamie Foxx, Pussycat Dolls, Fergie, and produced Kelis' new single "Blindfold Me" featuring Nas. He is also currently working on projects with Young Buck, Kelly Rowland, Young Jeezy, Gwen Stefani, Ciara, Mya and many others.
Poloxamer 407 Poloxamer 407 is a hydrophilic non-ionic surfactant of the more general class of copolymers known as poloxamers. Poloxamer 407 is a triblock copolymer consisting of two hydrophilic blocks (poly-ethylene glycol) separated by a hydrophobic block (poly-propylene glycol).
Poloxamers Poloxamers, also known by the trade name Pluronicsare the nonionic block copolymers] composed of a central [[hydrophobic chain of polyoxypropylene (poly-propylene oxide) flanked by two hydrophilic chains of polyoxyethylene (poly-ethylene oxide). Because the lengths of the polymer blocks can be customized, many different poloxamers exist that have slightly different properties.
Polruan Polruan (Cornish: Porthruan) is a small fishing village in the parish of Lanteglos by Fowey in Cornwall, England, UK. It is bounded on three sides by water: to the north by Pont Creek, to the west by the River Fowey and to the south by the English Channel.
Polska (dance) The polska (not to be confused with the polka) is a folk dance and dance rhythm, common in Nordic folk music and folk dances. The word means Polish in Swedish (in Polish it means "Poland" and "Polish"), and is short for Polish dance.
Polski Fiat 125p The Polski Fiat 125p was a motor vehicle manufactured between 1967 and 1991 in People's Republic of Poland by the state-owned manufacturer Fabryka SamochodĂłw Osobowych ("FSO") under a license agreement with Fiat. It was a simplified variation of the Fiat 125, with engines and mechanicals from the Fiat 1300/1500.
Polski Fiat 126p Polski Fiat 126p (literally in English: Polish Fiat 126p) is a small car produced in Poland between 1973 and 2000. It was a type of Fiat 126 and to distinguish it from other types from other countries the letter "p" was added to its name.
Polski ZwiÄ…zek Kulturalno-OĹ›wiatowy Polski ZwiÄ…zek Kulturalno-OĹ›wiatowy (commonly known as PZKO) () (meaning "Polish Cultural-Educational Union") is a Polish organization in the Czech Republic. It represents the Polish minority in the Czech Republic together with Kongres PolakĂłw.
Poltava Bandurist Capella The Poltava Bandurist Capella was vocal-instrumental ensemble who accompanied themselves on the multi-stringed Ukrainian Bandura. It was initially established in February 1925, based on a male church choir who sang in the Ukrainian Autocephalous Orthodox Cathedral in Poltava under the direction of Fedir (Khvedir) Popadych.
Poltavka culture Poltavka culture, 2700â€”2100 BC, an early to middle Bronze Age archaeological culture of the middle Volga from about where the Don-Volga canal begins up to the Samara bend, with an easterly extension north of present Kazakhstan along the Samara River valley to somewhat west of Orenburg.
Poltergeist (computer science) In computer programming, a poltergeist (or gypsy wagon) is a short-lived, typically stateless object used to perform initialization or to invoke methods in another, more permanent class. The original definition is by Michael Akroyd 1996 - Object World West Conference:
Poltergeist (film series) The Poltergeist movies are a trilogy of horror films produced in the 1980s. Steven Spielberg co-wrote, co-produced, and some say directed the first Poltergeist although Tobe Hooper (The Texas Chainsaw Massacre) was billed as the director.
Poltergeist: The Legacy Poltergeist: The Legacy is a Canadian/American horror television series which ran from 1996 to 1999. It tells the story of the members of a secret society known as the Legacy, and their efforts to protect humanity from occult dangers.
Polugaevsky Variation The Polugaevsky variation is a chess opening, and a line in the Najdorf Variation of the Sicilian Defence, noted for its sharpness and tactical play and devised by the Soviet International Grandmaster Lev Polugaevsky.
Polus Polus (Greek, "colt") is the nickname Plato gave to an Ancient Greek Athenian philosophical figure who lived in the fifth century BCE. He was a pupil of the famous orator Gorgias, and teacher of rhetoric from the city of Acragas, Sicily.
Polvo Polvo were a critically acclaimed and widely influential rock band from Chapel Hill, North Carolina, USA that existed during the 1990s. The band was fronted by vocalists/guitarists Ash Bowie and Dave Brylawski.
Polvo Chicago Polvo is an alternative space located in Chicago's Pilsen neighborhood and is operated by the artist collective Polvo, originally formed in 1996. Polvo's history consists of organizing artistic and cultural venues with Chicago / Pilsen-based community spaces.
Poly glutamic acid Poly glutamic acid, or PGA, is a polymer of the amino acid glutamic acid (GA). Gamma PGA (the form where the peptide bonds are between the amino group of GA and the carboxyl group at the end of the GA side chain) is a major constituent of the Japanese food natto.
Poly Group Corp. China Poly Group Corporation (also known as Baoli and Poly Group) is a company based in Beijing, China that deals in missile and other arms sales. The company was created by the People's Liberation Army to compete with China North Industries Corporation (Norinco).
Poly Play Poly Play is an arcade game developed in the German Democratic Republic in 1985; it is the only such machine to originate in the Eastern Bloc. It was created by VEB Polytechnik and contained a number of games, including a knock-off of Pac-Man.
Poly Prep Country Day School Polytechnic Preparatory Country Day School (better known as Poly Prep or just Poly) is a private middle, upper and elementary country day school in Brooklyn, New York, USA and a member of the Ivy Preparatory School League. It provides a full range of scholastic, athletic, and artistic courses available to its students.
Poly-cap A poly-cap is a small bushing used to create smooth joints, or to keep something in place without glue in scale-models. They are usually found on well-engineered kits such as those by Tamiya and Bandai who have employed them for a long time.
Poly(3,4-ethylenedioxythiophene) Poly(3,4-ethylenedioxythiophene) or PEDOT (or sometimes PEDT) is a conducting polymer based on 3,4-ethylenedioxylthiophene or EDOT monomer. Advantages of this polymer are optical transparency in its conducting state, high stability and moderate band gap and low redox potential.
Poly(p-phenylene oxide) Poly(p-phenylene oxide) (PPO) can be used to prepare a conducting polymer of the semi-flexible rod polymer family. Oxidation or the use of dopants are used to convert the non-conductive PPO to a semiconductor.
Polyacrylamide Polyacrylamide is an acrylate polymer (-CHCHCONH2-) formed from acrylamide subunits that is readily cross-linked. Acrylamide needs to be handled using good laboratory practices (GLP) to avoid poisoning since it is a neurotoxin.
Polyadenine polymerase Polyadenine polymerase, also written poly(A) polymerase or PAP, is an enzyme responsible for the addition of the 3' polyadenine tail to a newly synthesized pre-messenger RNA (pre-mRNA) molecule during the process of gene transcription. The protein is the final addition to a large protein complex that also contains smaller assemblies known as the cleavage and polyadenylation specificity factor (CPSF) and cleavage stimulatory factor (CtSF) and its binding is a necessary prerequisite to the cleavage of the 3' end of the pre-mRNA.
Polyadenylate polymerase Polyadenylate polymerase is an enzyme responsible for adding an polyadenylate tail to the 3' end of mRNA in Eukaryotes. The process is most likely linked to the termination of the mRNA transcription Watson, Baker, Bell; Molecular Biologgy of the Gene (5th ed.
Polyadenylation Polyadenylation is the covalent linkage of a poly(A) tail to a messenger RNA (mRNA) molecule. It is part of the route to producing mature messenger RNA for translation, in the larger process of protein synthesis to produce proteins.
Polyaenus Polyaenus (in Greek Î oÎ»Ď…Î±ÎąÎ˝oĎ‚) was a Macedonian author of the work on Stratagems in War (in Greek ÎŁĎ„ĎÎ±Ď„Î·ÎłÎ·ÎĽÎ±Ď„Î±), which is still extant, who lived about the middle of the 2nd century CE. The Suda calls him a rhetorician, and we learn from Polyaenus himself that he was accustomed to plead causes before the emperor.
Polyalphabetic cipher A polyalphabetic cipher is any cipher based on substitution, using multiple substitution alphabets. The VigenĂ¨re cipher is probably the best-known example of a polyalphabetic cipher, though it is a simplified special case.
Polyamide A polyamide is a polymer containing monomers joined by peptide bonds. They can occur both naturally, examples being proteins, such as wool and silk, and can be made artificially, examples being Nylon, Kevlar and sodium poly(aspartate).
Polyamide-imide Polyamide-imides are thermoplastic amorphous polymers that have exceptional mechanical, thermal and chemical resistant properties. These properties put polyamide-imides at the top of the price and performance pyramid.
Polyamine The polyamines are organic compounds having two or more primary amino groups - such as putrescine, cadaverine, spermidine, and spermine - that are growth factors in both eucaryotic and procaryotic cells. Though it is seen that polyamines are synthesized in cells via highly-regulated pathways, their actual function is not entirely clear.
Polyamory Polyamory is a descriptive term (defined by contrast with monogamy) for the practice of being open to more than one loving, intimate relationship at a time, with full knowledge and consent by everyone involved. People who identify as polyamorous thus reject the view that sexual and relational exclusivity are always necessary for long-term loving relationships.
Polyamory Weekly Polyamory Weekly is a weekly podcast, hosted by Cunning Minx, which delves into topics relating to non-monogamy and the polyamorous lifestyle. While labeled as an adult-oriented podcast, it is uncommon for the podcasts to contain explicit sexual content.
Polyandry in Tibet Polyandry in Tibet was a traditional marriage practice that existed within a milieu whereby a woman could have several husbands; a father and his sons could share the same wife, and a mother and her daughters could share the same husband. The feudal system also compelled everyone to abide by the tradition of marrying within their own social class, and also among their own blood relations.
Polyatomic ion A polyatomic ion is an ion consisting of a molecule with covalently bonded atoms or of a metal complex that can be considered as acting as a single unit in the context of acid and base chemistry or in the formation of salts. The prefix poly- means many in Greek.
Polyaxial screw A polyaxial screw is used for connecting vertebrae to rods in spinal surgery. It is essentially a screw whose spherical head is enclosed on a housing, which allows the screw a range of motion along several different axes relative to the housing.
PolyAnalyst PolyAnalyst is a data analysis software package developed and sold by Megaputer. The software program is capable of loading data from a database or a file, performing various data preparation, exploring and identifying mathematical patterns in the data, and exporting these results in reports or formats for use in other programs.
Polybag A polybag is a plastic bag sealed around a periodical such as a magazine or a comic book. Originally used by publishers for the protection of subscription issues, polybags became more common in the 1990s as a way to add an extra incentive, such as a trading card, poster or CD, to the purchase.
Polybahn The Polybahn is a funicular railway in ZĂĽrich, Switzerland. The line operates out of ZĂĽrich Central-Hochschulen, and carries passengers up to the terrace by the main building of ETH Zurich, which was formerly called EidgenĂ¶ssisches Polytechnikum, and from which the railway derives its name.
Polybenzimidazole fiber PolyBenzImidazole or PBI fiber (1983) is a synthetic fiber with no melting point that also does not ignite. Due to its exceptional thermal and chemical stability, it is often used by fire departments and space agencies.
Polybiography Polybiography is an Internet based historical archive referred to as a "polybiography" because it is both biographical and autobiographical; the many individuals involved write the history of the many events.
Polybius Polybius (c. 203 BC - 120 BC, Greek Î ÎżÎ»Ď…Î˛ÎąÎżĎ‚) was a Greek historian of the Mediterranean world famous for his book called The Histories or The Rise of the Roman Empire, covering in detail the period of 220 BC to 146 BC.
Polybrominated biphenyl Polybrominated biphenyls (PBBs), also called brominated biphenyls or polybromobiphenyls, are a group of manufactured chemicals. While once widely used commercially, PBBs are now controlled substances under the Restriction of Hazardous Substances Directive, which limits their use in electrical and electronic products sold in the EU.
Polybutadiene Polybutadiene is a synthetic rubber that has a high resistance to wear and is used especially in the manufacture of tires. It has also been used to coat or encapsulate electronic assemblies, offering extremely high electrical resistivity.
PolyBump Polybump is a normal mapping technology developed by Crytek in 2001 to enhance 3D-rendering quality without increasing the overhead in real time rendering. It allows users to create and render an extremely low polygons model using an ultra high polygons model while displaying virtually no visible difference between the two.
Polycaprolactone Polycaprolactone (PCL) is a biodegradable polyester with a low melting point of around 60Â°C and a glass transition temperature of about â’60Â°C. PCL can be prepared by ring opening polymerization of Îµ-caprolactone using a catalyst such as stannous octanoate.
Polycarp Pengo Polycarp Cardinal Pengo (born August 5, 1944) in the parish of Mwazye, Diocese of Sumbawanga in Tanzania, is the Archbishop of Dar-es-Salaam, Tanzania. Ordained a priest in 1971, he studied Moral Theology in Rome at the Pontifical Lateran University, obtaining a doctorate in 1977.
Polycentric law Polycentric law, as opposed to monopoly statist law, refers to a set of competing or overlapping legal systems and jurisdictions. Prior to the rise of the modern State, before approximately 1500, laws were not territorially based, but rather based on kinship, race, area of competence (e.
Polycentrism Polycentrism is the principle of organisation of a region around several political, social or financial centres. An example of a polycentric city is the Ruhr area in Germany: Today, the area is a large city that grew from a dozen smaller cities.
Polycistronic Messenger RNA (mRNA) is said to be polycistronic when it contains the genetic information to translate more than one protein. This is not to be confused with monocistronic mRNAs which yield several gene products by proteolytic cleavage of a polyprotein, since the latter has been synthesized in a single translation process .
Polycladida The Polycladida represents a highly diverse clade of free-living marine turbellarian flatworms. They are known from the littoral to the sublittoral zone (extending to the deep hot vents), and many species are common from coral reefs.
Polyclinic Medical Center Polyclinic Medical Center, also known as Polyclinic Hospital, is an urban community hospital in Harrisburg, Pennsylvania, and part of the PinnacleHealth System, a primary chain of hospitals and clinics serving central Pennsylvania. The hospital is a teaching facility providing comprehensive outpatient and specialty care services.
Polycomb-group proteins A family of proteins first discovered in fruit flies that can remodel chromatin such that transcription factors cannot bind to promoter sequences in DNA. In Drosophila, the Trithorax-group (trxG) and Polycomb-group (PcG) proteins act antagonistically and interact with chromosomal elements, termed Cellular Memory Modules (CMMs).
Polyconic projection A polyconic projection is a conical map projection. The projection stems from "rolling" a cone tangent to the Earth at all parallels of latitude, instead of a single cone in a normal conic projection.
Polycracy A polycracy is a state ruled by more than one person, as opposed to monocracy. The word is derived from Greek -- poly which means "many" and kratos which means "rule" or "strength".
Polycrase Polycrase or polycrase-(Y) is a black or brown metallic complex uranium yttrium oxide mineral with formula: (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6. It crystallizes in the orthorhombic system with typically radial prismatic crystal form.
Polycrystalline silicon Polycrystalline silicon or polysilicon or poly-Si or simply poly (in context) is a material consisting of multiple small silicon crystals, and has long been used as the conducting gate material in MOSFET and CMOS processing technologies. For these technologies it is deposited using LPCVD reactors at high temperatures and is usually heavily N or P-doped.
Polyculture Polyculture is agriculture using multiple crops in the same space, in imitation of the diversity of natural ecosystems, and avoiding large stands of single crops, or monoculture. It includes crop rotation, multi-cropping, intercropping, companion planting, beneficial weeds, and alley cropping.
Polycystine The polycystines are a group of radiolarian protists. They include the vast majority of the fossil radiolaria, as their skeletons are abundant in marine sediments, making them one of the most common groups of microfossils.
PolyCipher PolyCipher (formerly known as NGNA, LLC) is a Denver-based company backed by Comcast, Time Warner Cable and Cox Communications for the development of Downloadable Conditional Access System (DCAS) infrastructure.
Polydactyl cat A polydactyl cat is a cat that has more than the usual number of toes on one or all of its paws. In animals including humans, polydactyly (or polydactylism, also known as hyperdactyly) is the anatomical abnormality of having more than the usual number of digits on the hands or feet.
Polydactyly Polydactyly, or polydactylism, also known as hyperdactyly, is the anatomical variant consisting of more than the usual number of digits on the hands and/or feet. It is a congenital abnormality, usually genetically inherited as an autosomal dominant trait.