• Pellegrin, Abbé (French librettist)

    Jean-Philippe Rameau: Abbé Pellegrin, whose biblical opera Jephté had been successfully set to music by Rameau’s rival Michel de Montéclair in 1732, was to become Rameau’s librettist for his first and in many ways finest opera, Hippolyte et Aricie. It was first performed in the spring of…

  • Pellegrini, Carlo (Italian caricaturist)

    Carlo Pellegrini was a caricaturist notable for his portraits of prominent Englishmen appearing in Vanity Fair. As a young man, he was a part of Neapolitan society, whose members he caricatured in a good-natured way. Following an unhappy love affair and the death of a sister, he went to England in

  • Pellegrini, Carlos (president of Argentina)

    Argentina: The crisis of 1890: …favour of the vice president, Carlos Pellegrini (1890–92), a solid ally of Roca.

  • Pellegrini, Il (Italian painter)

    Pellegrino Tibaldi was an Italian painter, sculptor, and architect who spread the style of Italian Mannerist painting in Spain during the late 16th century. Tibaldi grew up in Bologna in a family of Lombard stonemasons. He was trained as a painter under minor Emilian artists who imitated the style

  • Pellegrini, Pellegrino (Italian painter)

    Pellegrino Tibaldi was an Italian painter, sculptor, and architect who spread the style of Italian Mannerist painting in Spain during the late 16th century. Tibaldi grew up in Bologna in a family of Lombard stonemasons. He was trained as a painter under minor Emilian artists who imitated the style

  • Pellegrino, Mount (mountain, Italy)

    Palermo: Mount Pellegrino rises to a height of 1,988 feet (606 m) north of the city.

  • pellet (bead)

    automotive ceramics: Catalytic converter substrates: The pellets are porous beads approximately 3 millimetres (18 inch) in diameter. With a single pellet having up to 10 square millimetres of internal pore surface area, one litre of pellets can have up to 500,000 square metres of support surface. The pellet material is often…

  • pellet (nuclear fuel)

    nuclear ceramics: Nuclear fuel: Ceramic fuel pellets also can be fabricated in an advanced process called sol-gel microsphere pelletization. The sol-gel route (described in the article advanced ceramics) achieves homogeneous distribution of uranium and plutonium in solid solution, enables sintering to occur at lower temperature, and ameliorates the toxic dust problem…

  • pellet (rock texture)

    sedimentary rock: Textural components: …or bioclasts generally are called pellets or peloids. Most are fecal pellets generated by mud-ingesting organisms. Pellets can be cemented together into irregularly shaped composite grains dubbed lumpstones or grapestones.

  • pellet bell (bell)

    crotal: The term crotal may also refer to a closed bell containing loose pellets, similar in construction to a sleigh bell. This crotal produces a sound when it is shaken and the pellets strike the inner surface.

  • Pelletier, David (Canadian figure skater)

    David Pelletier is a Canadian pairs figure skater who, with his partner Jamie Salé, was awarded a gold medal at the 2002 Winter Games in Salt Lake City, Utah, after a judging scandal. The couple shared the gold with the Russian pair, Yelena Berezhnaya and Anton Sikharulidze. (Read Scott Hamilton’s

  • Pelletier, Pierre-Joseph (French chemist)

    Pierre-Joseph Pelletier was a French chemist who helped found the chemistry of alkaloids. Pelletier was professor at and, from 1832, director of the School of Pharmacy, Paris. In 1817, in collaboration with the chemist Joseph-Bienaimé Caventou, he isolated chlorophyll, the green pigment in plants

  • Pelletier, Rose-Virginie (French nun)

    Good Shepherd Sister: Changes and centralization under Sister Mary Euphrasia: In 1814 Rose-Virginie Pelletier entered the community in Tours and took the name Sister Mary Euphrasia. In 1829, a few years after becoming superior of the Tours community, she founded a convent at Angers, France, which she called Our Lady of Charity of the Good Shepherd in…

  • pelletization (technology)

    iron processing: Pelletizing: First, moistened concentrates are fed to a rotating drum or an inclined disc, the tumbling action of which produces soft, spherical agglomerates. These “green” balls are then dried and hardened by firing in air to a temperature in the range of 1,250° to 1,340°…

  • Pelletron accelerator (particle accelerator)

    Robert Jemison Van de Graaff: …a related device called the Pelletron accelerator, the moving belt is replaced by a moving chain of metallic beads separated by insulating material. The Pelletron accelerator at the Oak Ridge National Laboratory, Tenn., produces 25 megavolts and will accelerate protons or heavy ions, which are then injected into an isochronous…

  • Pelley, Scott (American journalist)

    60 Minutes: Stahl, Ed Bradley, Scott Pelley, Bob Simon, Steve Kroft, Lara Logan, Anderson Cooper, Norah O’Donnell, and Jon Wertheim.

  • Pelli, Cesar (American architect)

    Cesar Pelli was an Argentine-born American architect who was widely regarded as one of the 20th century’s preeminent architects. After earning a bachelor’s degree in architecture at the National University of Tucumán, Pelli moved to the United States to attend the University of Illinois at

  • Pellicer, Pina (Mexican actress)

    One-Eyed Jacks: …to her daughter, Louisa (Pina Pellicer). Although initially wary of Rio’s motives, Dad accepts his former partner’s lies when he says that he bears Dad no malice. Rio subsequently seduces Louisa, outraging Dad. After Rio kills a man in self-defense, Dad beats him and forces him to leave. While…

  • pellicle (biology)

    ciliate: …known as kineties, on the pellicle (cell covering), but they may fuse together near the cytostome (cell mouth) of some species to form membranelles or undulating membranes (various sheetlike or fan-shaped groupings of cilia); elsewhere on the pellicle, cilia may form limblike tufts called cirri. Most ciliates have a flexible…

  • Pellico, Silvio (Italian author)

    Silvio Pellico was an Italian patriot, dramatist, and author of Le mie prigioni (1832; My Prisons), memoirs of his sufferings as a political prisoner, which inspired widespread sympathy for the Italian nationalist movement, the Risorgimento. Educated at Turin, Pellico spent four years in France,

  • Pellipario, Nicola (Italian pottery painter)

    pottery: Majolica: …associated with the name of Nicola Pellipario, the greatest of the majolica painters. He also painted grotesques similar to those of Deruta, in Umbria, which are rather more stylized than the grotesques introduced later in the 16th century at Urbino that are humourous and full of movement. The former are…

  • pellitory (plant)

    Urticaceae: Major genera and species: microphylla), and pellitory (Parietaria), a genus of wall plants, are grown as ornamentals. Baby tears (Helxine soleiroli), a mosslike creeping plant with round leaves, often is grown as a ground cover. The trumpet tree (Cecropia peltata), a tropical American species that has hollow stems inhabited by biting…

  • Pelloreum ruficeps (bird)

    jungle babbler: An example is the striped jungle babbler, or spotted babbler (Pelloreum ruficeps), of Southeast Asia—16 centimetres (614 inches) long, with reddish cap, white eyeline, dark greenish back, and streaked white breast. It is usually detected by its loud two-note whistle.

  • Pellorneini (bird)

    jungle babbler, any of about 32 species of songbirds constituting the tribe Pellorneini of the babbler family Timaliidae. Found from Africa to Malaysia and the Philippines, these drab birds with slender, often hook-tipped bills skulk in forest undergrowth. An example is the striped jungle babbler,

  • Pelloutier, Fernand (French political scientist)

    Fernand Pelloutier was a leading organizer and theoretician of the French labour movement who deeply influenced the philosophy and methods of anarcho-syndicalist labour unionism. As a young journalist in the town of Saint-Nazaire, Pelloutier became a member of the Parti Ouvrier, the largest Marxist

  • Pelloux, Luigi (prime minister of Italy)

    Luigi Pelloux was an Italian general and prime minister (1898–1900) who brought his country to the brink of crisis by adopting an extremely repressive domestic policy. After graduation from the military academy at Turin (1857), Pelloux fought in several battles against Austria, distinguishing

  • pellucid zone (biology)

    animal development: Preparatory events: …is surrounded by the so-called pellucid zone, which is equivalent to the vitelline membrane of other animals; follicle cells form an area called the corona radiata around this zone.

  • Pelly River (stream, Yukon, Canada)

    Pelly River, stream in central Yukon, Canada, one of the main headstreams of the Yukon River. It was named in 1840 by Robert Campbell for Sir John Henry Pelly, governor of the Hudson’s Bay Company. Rising in the Mackenzie Mountains near the southeastern boundary of the territory, the river flows

  • Pelobates fuscus (amphibian)

    spadefoot toad: The European spadefoot (Pelobates fuscus) is found in Europe and Central Asia, usually in sandy regions. Some related species have more restricted ranges. It is about 6 to 7.5 cm (2 to 3 inches) long and spends the day underground.

  • Pelobatinae (amphibian subfamily)

    frog and toad: Annotated classification: …Asia, Indo-Australian archipelago, Philippines) and Pelobatinae (Europe and North America). Family Pelodytidae Eocene to present; 8 presacral vertebrae; coccyx free, bicondylar; astragalus and calcaneum fused; western Europe and southwestern Asia; 1 genus, 2 species. Suborder Neobatrachia Superfamily

  • Pelobatoidea (amphibian superfamily)

    frog and toad: Annotated classification: Superfamily Pelobatoidea Vertebrae procoelous with labile centra; pectoral girdle arciferal; ribs absent; amplexus inguinal; larvae with single spiracle on the left and with complex mouthparts. Family Megophryidae (South Asian frogs) Family Pelobatidae (spadefoots) Late Cretaceous to present; 8

  • Pelodryadinae (amphibian subfamily)

    frog and toad: Annotated classification: 5 inches); 4 subfamilies: Pelodryadinae (Australo-Papuan region), Phyllomedusinae (Central and South America), Hemiphractinae (Central and South America), and Hylinae (North and South America, Europe, Asia except Indian subregion, and Africa north of Sahara). Family Leptodactylidae Eocene to present; 8

  • Pelodytidae (amphibian family)

    frog and toad: Annotated classification: Family Pelodytidae Eocene to present; 8 presacral vertebrae; coccyx free, bicondylar; astragalus and calcaneum fused; western Europe and southwestern Asia; 1 genus, 2 species. Suborder Neobatrachia Superfamily Bufonoidea Vertebrae procoelous; pectoral girdle arciferal (in some, secondarily

  • pelog (music)

    pelog, Javanese and Balinese seven-pitch scale. See

  • pelog scale (music)

    pelog, Javanese and Balinese seven-pitch scale. See

  • Pelomyxa (amoeboid organism)

    protozoan: Annotated classification: Pelomyxa Anaerobic, lacking mitochondria, peroxisomes, and hydrogenosomes. Express a polymorphic life cycle with multinucleate stages. Eumycetozoa (slime molds) Produce fruiting bodies (either a sporocarp or a sorocarp) that spawn amoeboid organisms; other life stages are uninucleate amoeboflagellates, uninucleate non-flagellate amoebae, or

  • Pelopia (Turkey)

    Akhisar, town, western Turkey. It is located in a fertile plain on the Great Zab River (the ancient Lycus). The ancient town, originally called Pelopia, was probably founded by the Lydians. It was made a Macedonian colony about 290 bce and renamed Thyatira. It became part of the kingdom of Pergamum

  • Pelopidas (Theban statesman)

    Pelopidas was a Theban statesman and general responsible, with his friend Epaminondas, for the brief period (371–362) of Theban hegemony in mainland Greece. In 385 Pelopidas served in a Theban contingent sent to support the Spartans at Mantineia, where he was seriously wounded but was saved by

  • Peloponnese (peninsula, Greece)

    Peloponnese, peninsula of 8,278 square miles (21,439 square km), a large, mountainous body of land jutting southward into the Mediterranean that since antiquity has been a major region of Greece, joined to the rest of mainland Greece by the Isthmus of Corinth. The name, which is derived from

  • Peloponnesian League (ancient Greek history)

    Peloponnesian League, military coalition of Greek city-states led by Sparta, formed in the 6th century bc. League policy, usually decisions on questions of war, peace, or alliance, was determined by federal congresses, summoned by the Spartans when they thought fit; each member state had one vote.

  • Peloponnesian War (ancient Greek history)

    Peloponnesian War, (431–404 bce), war fought between the two leading city-states in ancient Greece, Athens and Sparta. Each stood at the head of alliances that, between them, included nearly every Greek city-state. The fighting engulfed virtually the entire Greek world, and it was properly regarded

  • Peloponnesus (peninsula, Greece)

    Peloponnese, peninsula of 8,278 square miles (21,439 square km), a large, mountainous body of land jutting southward into the Mediterranean that since antiquity has been a major region of Greece, joined to the rest of mainland Greece by the Isthmus of Corinth. The name, which is derived from

  • Pelopónnisos (peninsula, Greece)

    Peloponnese, peninsula of 8,278 square miles (21,439 square km), a large, mountainous body of land jutting southward into the Mediterranean that since antiquity has been a major region of Greece, joined to the rest of mainland Greece by the Isthmus of Corinth. The name, which is derived from

  • Pelops (Greek mythology)

    Pelops, legendary founder of the Pelopid dynasty at Mycenae in the Greek Peloponnese, which was probably named for him. Pelops was a grandson of Zeus, the king of the gods. According to many accounts, his father, Tantalus, cooked and served Pelops to the gods at a banquet. Only Demeter, bereaved

  • Pelorosaurus (dinosaur genus)

    Gideon Algernon Mantell: known as Iguanodon, Hylaeosaurus, Pelorosaurus, and Regnosaurus. He also described the Triassic reptile Telerpeton elginense. Mantell’s major works include The Fossils of the South Downs, or Illustrations of the Geology of Sussex (1822) and Medals of Creation (1844).

  • Pelosi, Nancy (American politician)

    Nancy Pelosi is an American Democratic politician who represents California in the U.S. House of Representatives (1987– ), where she served as the first female speaker (2007–11 and 2019–23). Her other notable posts have included House minority leader (2003–07 and 2011–19). During her career, Pelosi

  • pelota (court games)

    pelota, any of a number of glove, racket, or bat court games requiring a rubber-cored ball. These games arose from the old French game known as jeux de paume. Varieties of this game are played in many parts of the world. The variations of pelota can be classified as either jeux directs—games in

  • pelota de mano (sport)

    Ecuador: Sports and recreation: Pelota de mano (“handball”) is usually played by men and involves hitting a small, hard ball back and forth with a bare (or rarely, gloved) fist, a widespread attraction on Sunday afternoons in Quito and San Antonio de Ibarra. National parks and nature preserves, including…

  • pelota vasca (sport)

    jai alai, ball game of Basque origin played in a three-walled court with a hard rubber ball that is caught and thrown with a cesta, a long, curved wicker scoop strapped to one arm. Called pelota vasca in Spain, the Western Hemisphere name jai alai (Basque “merry festival”) was given to the game

  • Pelotas (Brazil)

    Pelotas, coastal city, southeastern Rio Grande do Sul estado (state), southern Brazil. It is located on the left bank of the São Gonçalo Canal, the river that connects Mirim Lagoon with the Patos Lagoon. Founded in 1780 as São Francisco de Paula, Pelotas was raised to town status and renamed in

  • Pelotas River (river, Brazil)

    Pelotas River, river in southern Brazil, rising on the western slope of the Serra Geral at Alto do Bispo in Santa Catarina estado (state), on the Atlantic coast. It arches northwestward across the uplands for approximately 280 miles (450 km) before receiving the Canoas River and becoming the

  • pelote basque (court games)

    pelota, any of a number of glove, racket, or bat court games requiring a rubber-cored ball. These games arose from the old French game known as jeux de paume. Varieties of this game are played in many parts of the world. The variations of pelota can be classified as either jeux directs—games in

  • Pelousion (ancient city, Egypt)

    Pelusium, ancient Egyptian city on the easternmost mouth of the Nile River (long silted up). The Egyptians likely called it Saʾinu and also Per-Amon (House of Amon), whence perhaps the site’s modern name, Tell Farama. It lies about 20 miles (32 km) southeast of Port Said, in the Sinai Peninsula. In

  • Pelouze, Théophile-Jules (French chemist)

    nitrocellulose: Chronology of development and use: In 1838 another French chemist, Théophile-Jules Pelouze, discovered that paper or cardboard could be made violently flammable by dipping it in concentrated nitric acid; Pelouze named his new material “pyroxyline.” Christian Friedrich Schönbein, a Swiss chemist, was able to increase the degree of nitration, and therefore the flammability of the…

  • pelt (fur)

    fur: The pelts of fur-bearing animals are called true furs when they consist of two elements: a dense undercoat, called ground hair, and longer hairs, extending beyond that layer, called guard hair. The principal function of ground hair is to maintain the animal’s body temperature; that of…

  • Peltier coefficient (electronics)

    thermoelectric power generator: Thomson effect: …πI, where π is the Peltier coefficient. Through thermodynamic analysis, Thomson also showed the direct relation between the Seebeck and Peltier effects, namely that π = αT, where T is the temperature of the junction. Furthermore, on the basis of thermodynamic considerations, he predicted what came to be known as…

  • Peltier effect (physics)

    Peltier effect, the cooling of one junction and the heating of the other when electric current is maintained in a circuit of material consisting of two dissimilar conductors; the effect is even stronger in circuits containing dissimilar semiconductors. In a circuit consisting of a battery joined by

  • Peltier heat (electronics)

    thermoelectric power generator: Thomson effect: He showed that the Peltier heat or power (Qp) at a junction was proportional to the junction current (I) through the relationship Qp = πI, where π is the Peltier coefficient. Through thermodynamic analysis, Thomson also showed the direct relation between the Seebeck and Peltier effects, namely that π…

  • Peltier, Jean-Charles-Athanase (French physicist)

    Jean-Charles-Athanase Peltier was a French physicist who discovered (1834) that at the junction of two dissimilar metals an electric current will produce heat or cold, depending on the direction of current flow. The effect, known by his name, is used in devices for measuring temperature and, with

  • Peltier, Leonard (American Indian activist)

    Leonard Peltier is a Native American (mostly Ojibwa) activist who, after becoming one of the best-known indigenous rights activists in North America, was convicted in 1977 of having murdered two Federal Bureau of Investigation (FBI) agents. His case became a cause célèbre after the irregularities

  • Peltier-Seebeck effect (physics)

    thermoelectricity, direct conversion of heat into electricity or electricity into heat through two related mechanisms, the Seebeck effect and the Peltier effect. When two metals are placed in electric contact, electrons flow out of the one in which the electrons are less bound and into the other.

  • Peltigera canina (biology)

    dog lichen, (species Peltigera canina), foliose (leafy) lichen usually found in patches 5 to 10 cm (2 to 4 inches) in diameter on heaths, sand dunes, walls, or grassy ground. The dull brown thallus with rounded lobes is soft when moist and papery when dry. Because its reproductive bodies resemble

  • Peltigera polydactyla (biology)

    lichen: In at least one case, Peltigera polydactyla, the exchange occurs within two minutes. The phycobionts also produce vitamins that the fungi need. Fungi contribute to the symbiosis by absorbing water vapour from the air and by providing much-needed shade for the light-sensitive algae beneath.

  • Peltigerales (order of fungi)

    fungus: Annotated classification: Order Peltigerales Forms lichens; thallus may be large and lobate; apothecia may be lecanorine or lecideine (darkened margin sometimes lacking a thalline margin); includes dog lichens; included in subclass Lecanoromycetidae; example genera include Coccocarpia, Collema, Nephroma, Pannaria, and Peltigera. Order Teloschistales

  • Peltiphyllum peltatum (plant)

    umbrella plant: …in the family Saxifragaceae, is Peltiphyllum peltatum; its leaves are about 25 cm (10 inches) across, with 10–15 lobes. It grows well in wet places, reaching about 2 m (6 feet) in height.

  • Peltola, Mary (American politician)

    Sarah Palin: …Palin was defeated by Democrat Mary Peltola. It was Alaska’s first statewide use of ranked-choice voting, and Palin called the process “crazy, convoluted, [and] confusing.” Despite the setback, she competed in the November election for a full term in the House, and she again lost to Peltola.

  • Pelton turbine

    turbine: Impulse turbines: …1889 by the American engineer Lester Allen Pelton. The free water jet strikes the turbine buckets tangentially. Each bucket has a high centre ridge so that the flow is divided to leave the runner at both sides. Pelton wheels are suitable for high heads, typically above about 450 metres with…

  • Pelton wheel

    turbine: Impulse turbines: …1889 by the American engineer Lester Allen Pelton. The free water jet strikes the turbine buckets tangentially. Each bucket has a high centre ridge so that the flow is divided to leave the runner at both sides. Pelton wheels are suitable for high heads, typically above about 450 metres with…

  • Peltonen, Vihtori (Finnish author)

    Johannes Linnankoski was a novelist, orator, and champion of Finnish independence from Russia; his works were instrumental in forming Finnish national consciousness in the early 20th century. Linnankoski was of peasant origin and largely self-taught. His finest novel, Pakolaiset (1908; “The

  • Peltzer, Otto (German athlete)

    Doug Lowe: …went to Berlin to race Otto Peltzer, who had beaten him at London in 1926 while setting a world record of 51.6 sec; in Berlin he defeated Peltzer. With Arthur Porritt (later Lord Porritt), he wrote Athletics (1929), which had training hints and described attitudes toward running in their day.…

  • Pelucón (Chilean history)

    Pipiolo and Pelucón: Pelucón, members of the two political partisan groups active in Chilean politics for about a century after national independence was achieved in the 1820s. The Pipiolos were liberals and the Pelucónes conservatives. Between 1830 and 1861 the Pelucónes were ascendant. Between 1861 and 1891 both…

  • peludo (mammal genus)

    armadillo: Natural history: The peludos, or hairy armadillos (three species of genus Chaetophractus), make snarling sounds. The mulita (D. hybridus) repeatedly utters a guttural monosyllabic sound similar to the rapid fluttering of a human tongue.

  • Pelusium (ancient city, Egypt)

    Pelusium, ancient Egyptian city on the easternmost mouth of the Nile River (long silted up). The Egyptians likely called it Saʾinu and also Per-Amon (House of Amon), whence perhaps the site’s modern name, Tell Farama. It lies about 20 miles (32 km) southeast of Port Said, in the Sinai Peninsula. In

  • Pelusium, battles of (Persian history)

    Artaxerxes III: …and naval force and, at Pelusium in the Nile River delta, defeated the pharaoh Nectanebo II (343). A Persian satrap was placed over Egypt, the walls of its cities were destroyed, its temples were plundered, and Artaxerxes was said to have killed the Apis bull with his own hand.

  • pelvic bone (anatomy)

    pelvis, in human anatomy, basin-shaped complex of bones that connects the trunk and the legs, supports and balances the trunk, and contains and supports the intestines, the urinary bladder, and the internal sex organs. The pelvis consists of paired hipbones, connected in front at the pubic

  • pelvic colon (anatomy)

    human digestive system: Anatomy: The pelvic colon lies in the true pelvis (lower part of the pelvis) and forms one or two loops, reaching across to the right side of the pelvis and then bending back and, at the midline, turning sharply downward to the point where it becomes the…

  • pelvic diaphragm (anatomy)

    rectum: A muscular sheet called the pelvic diaphragm runs perpendicular to the juncture of the rectum and anal canal and maintains a constriction between these two segments of the large intestine. The internal cavity of the rectum is divided into three or four chambers; each chamber is partly segmented from the…

  • pelvic exenteration (surgery)

    history of medicine: Support from other technologies: Pelvic exenteration (surgical removal of the pelvic organs and nearby structures) in two stages was devised by Allen Whipple of New York City, in 1935, and in one stage by Alexander Brunschwig of Chicago, in 1937. Then, in 1960, Charles S. Kennedy of Detroit, after…

  • pelvic fascia (anatomy)

    renal system: General description: …the visceral layer of the pelvic fascia. This fascial layer is a sheet of connective tissue that sheaths the organs, blood vessels, and nerves of the pelvic cavity. The fascia forms, in front and to the side, ligaments, called pubovesical ligaments, that act as a kind of hammock under the…

  • pelvic girdle (anatomy)

    pelvis, in human anatomy, basin-shaped complex of bones that connects the trunk and the legs, supports and balances the trunk, and contains and supports the intestines, the urinary bladder, and the internal sex organs. The pelvis consists of paired hipbones, connected in front at the pubic

  • pelvic inflammatory disease (pathology)

    pelvic inflammatory disease (PID), general acute inflammation of the pelvic cavity in women, caused by bacterial infection of the cervix, uterus, ovaries, or fallopian tubes. The disease is most often transmitted by sexual intercourse and is usually the result of infection with gonorrhea or

  • pelvis (anatomy)

    pelvis, in human anatomy, basin-shaped complex of bones that connects the trunk and the legs, supports and balances the trunk, and contains and supports the intestines, the urinary bladder, and the internal sex organs. The pelvis consists of paired hipbones, connected in front at the pubic

  • Pelvis IV (painting by O’Keefe)

    Georgia O’Keeffe: New Mexico: …From the White Place (1940), Pelvis IV (1944), Black Place III (1944), and numerous other paintings of the area’s distinctive natural and architectural forms. Such paintings of what she saw allowed her to continue to explore the abstract language she had identified as her own in the 1910s in that…

  • pelycosaur (fossil tetrapod order)

    Permian Period: Emergence of important reptiles: …are divided into two orders: pelycosaurs and therapsids. They show a remarkably complete transition in skeletal features from typical early reptiles (Early Permian Epoch) into true mammals (in the Middle and Late Triassic epochs) through a fossil record lasting about 80 million years. The Early Permian pelycosaurs included carnivores and…

  • Pelycosauria (fossil tetrapod order)

    Permian Period: Emergence of important reptiles: …are divided into two orders: pelycosaurs and therapsids. They show a remarkably complete transition in skeletal features from typical early reptiles (Early Permian Epoch) into true mammals (in the Middle and Late Triassic epochs) through a fossil record lasting about 80 million years. The Early Permian pelycosaurs included carnivores and…

  • PEM (pathology)

    nutritional disease: Protein-energy malnutrition: Chronic undernutrition manifests primarily as protein-energy malnutrition (PEM), which is the most common form of malnutrition worldwide. Also known as protein-calorie malnutrition, PEM is a continuum in which people—all too often children—consume too little protein, energy, or both. At one end of the…

  • Pematangsiantar (Indonesia)

    Pematangsiantar, city, North Sumatra (Sumatera Utara) propinsi (or provinsi; province), Sumatra, Indonesia. It is about 50 miles (80 km) southeast of Medan, the provincial capital, with which it is connected by a major road and railway. The second most populous city in the province, after Medan,

  • Pemba (people)

    Tanzania: Ethnic groups: …Bantu groups, consisting of the Pemba in Pemba and the Hadimu and Tumbatu in Zanzibar, have absorbed the settlers who moved from Persia in the 10th century. These groups and some of the descendants of slaves call themselves Shirazi. There are also small enclaves of Comorians and Somalis. Arab

  • Pemba Dorji Sherpa (Nepalese mountaineer)

    Mount Everest: Extraordinary feats: …by two Sherpas in 2003—Pemba Dorje and Lakpa Gelu, with Lakpa summiting in just 10 hours 56 minutes. Not to be outdone, Pemba returned the next year and reached the top in 8 hours 10 minutes. Perhaps as remarkable were the achievements of Apa Sherpa. In 2000 he reached…

  • Pemba Island (island, Tanzania)

    Pemba Island, island in the Indian Ocean, lying 35 miles (56 km) off the coast of East Africa, opposite the port of Tanga, Tanzania. The island is 42 miles (67 km) long and 14 miles (22 km) wide. As the Arabic name, which means “Green Island,” suggests, it is more fertile than its sister island,

  • Pemberton, John Clifford (Confederate general)

    John Clifford Pemberton was a Confederate general during the American Civil War, remembered for his tenacious but ultimately unsuccessful defense of Vicksburg. Pemberton grew up and was educated in Philadelphia, entered West Point in 1833, and graduated four years later. He fought in the Mexican

  • Pemberton, John S. (American pharmacologist)
  • Pembroke (New Zealand)

    Lake Wānaka: The town of Wanaka, at the southern tip of the lake, is the centre of a resort region that also supports some sheep grazing and crop farming. First known as Roys Bay and then Pembroke (until 1940), it lies 175 miles (282 km) northwest of Dunedin by road.

  • Pembroke (Wales, United Kingdom)

    Pembroke, urbanized area, historic and present county of Pembrokeshire (Sir Benfro), southwestern Wales. The Pembroke area comprises the localities of Pembroke, situated on a southeastern arm of the Milford Haven inlet (a fine natural harbour of the Celtic Sea), and, just to the northwest, Pembroke

  • Pembroke (county, Wales, United Kingdom)

    Pembrokeshire, county of southwestern Wales, bounded on the northeast by Ceredigion, on the east by Carmarthenshire, on the south by the Bristol Channel, and on the west and northwest by St. Bride’s Bay and Cardigan Bay of St. George’s Channel. The county’s rugged and convoluted coastline forms a

  • Pembroke Family (work by Van Dyck)

    Joshua Reynolds: Early life: …the large-scale portrait of the Pembroke family (1634–35) by the Flemish Baroque painter Sir Anthony Van Dyck, whose style of portrait painting influenced English portraiture throughout the 18th century. In 1749 Reynolds sailed with his friend Augustus Keppel to Minorca, one of the Balearic Islands off the Mediterranean coast of…

  • Pembroke table (furniture)

    Pembroke table, light, drop-leaf table designed for occasional use, probably deriving its name from Henry Herbert, 9th Earl of Pembroke (1693–1751), a noted connoisseur and amateur architect. The table has two drawers and flaps on either side that can be raised by brackets on hinges (known as

  • Pembroke Welsh Corgi (breed of dog)

    Welsh Corgi: The Pembroke Welsh Corgi is descended from dogs brought to Pembrokeshire, Wales, between the 10th and 12th centuries by Vikings, Flemish weavers, or both. Some of the ancestors of the Pembroke breed probably belonged to the spitz group that produced the Keeshond, Pomeranian, and Samoyed. The…

  • Pembroke, Earl of (Welsh noble)

    Jasper Tudor, duke of Bedford was the leader of the Lancastrians in Wales, uncle and guardian of Henry, earl of Richmond, afterward Henry VII of England. The second son of Owen Tudor, founder of the family’s fortunes, he was knighted in 1449 and created earl of Pembroke about 1452. Between 1456 and

  • Pembroke, Mary Herbert, countess of (English translator)

    Mary Herbert, countess of Pembroke was a patron of the arts and scholarship, poet, and translator. She was the sister of Sir Philip Sidney, who dedicated to her his Arcadia. After his death she published it and completed his verse translation of the Psalms. In 1575 Queen Elizabeth I invited Mary to