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della Rovere family ... Demetrius II
della Rovere family
(from the article "Alexander VI") ...was menaced by the French king Charles VIII, who invaded Italy in 1494 to vindicate his claim to the Kingdom of Naples. Charles, at the instigation of a rival cardinal ...
della Rovere, Francesco Maria
(from the article "Medici, Lorenzo di Piero de', Duca Di Urbino") ...to aggrandize his kinsmen, the Pope nevertheless decided to give Lorenzo the Duchy of Urbino and formally invested him in its rights, after expelling on false pretenses its legitimate lord, ...
della Scala family
noted family that ruled Verona during the late 13th and the 14th centuries. Although the family had been prominent in Verona since the 11th century, the founder of the ruling ... [3 Related Articles]
Della Valle, Federico
Italian dramatist and poet, recognized in the 20th century as a major literary figure. Little is known of his life at the Savoy court in Turin and in Milan, where ...
Della-cruscan
any of the members of a late 18th-century school of English writers of pretentious, affected, rhetorically ornate poetry. The school was centred on Robert Merry, who belonged to the Italian ... [1 Related Articles]
Dellinger, David
American peace activist (b. Aug. 22, 1915, Wakefield, Mass.-d. May 25, 2004, Montpelier, Vt.), embraced pacifism and civil disobedience for much of his life, being imprisoned twice in the early ...
Dello Joio, Norman
American composer in the neoclassical style who is particularly noted for his choral music. [1 Related Articles]
Delma tincta
(from the article "flap-footed lizard") ...and Ophiodiocephalus. Most flap-footed lizards eat insects or spiders, but at least three species prey on other lizards. Some, such as Delma tincta, appear ...
Delmarva Peninsula
portion of the Atlantic Coastal Plain of the United States, extending southward between the Chesapeake Bay (west) and the Delaware River, Delaware Bay, and Atlantic Ocean (east). Encompassing parts of ...
Delmedigo, Elijah
Jewish philosopher known for his Behinat ha-dat ("Investigation of Religion"), in which he criticized the Kabbala (esoteric Jewish mysticism). He also translated some of the commentaries of Averroes and wrote ...
Delmenhorst
city, Lower Saxony Land (state), northwestern Germany. It lies on the Delme River, just west of Bremen. First mentioned in 1254, Delmenhorst developed around a moated castle ...
delocalization
(from the article "chemical bonding") ...the high-energy 2a orbital has three nodal planes. The crucial difference from the cases considered earlier is that the molecular orbitals spread over more than two atoms. That is, they ...
Deloney, Thomas
writer of ballads, pamphlets, and prose stories that form the earliest English popular fiction. [1 Related Articles]
DeLorean, John Zachary
American automobile manufacturer and entrepreneur (b. Jan. 6, 1925, Detroit, Mich.-d. March 19, 2005, Summit, N.J.), established the DeLorean Motor Co. near Belfast, N.Ire., which produced (1981) the stainless-steel gull-winged ...
Deloria, Vine, Jr.
American Indian scholar and activist (b. March 26, 1933, Martin, S.D.-d. Nov. 13, 2005, Denver, Colo.), penned the influential Custer Died for Your Sins: An Indian Manifesto (1969) and its ...
Delorme, Marion
celebrated French courtesan.
Delorme, Philibert
one of the great Renaissance architects of the 16th century and, possibly, the first French architect to possess some measure of the universal outlook of the Italian masters but without ... [4 Related Articles]
Delors, Jacques
French statesman who was president of the European Commission, the executive body of the European Community (EC), from 1985 to 1995. [2 Related Articles]
Delos
island, one of the smallest of the Cyclades, Greece, an ancient centre of religious, political, and commercial life in the Aegean Sea. Now largely uninhabited, it is a rugged granite ... [4 Related Articles]
Delp, Brad
American guitarist and singer was the lead singer for the rock group Boston, whose unique hard-rock-pop sound was created by Delp's distinctive high-register vocals and Tom Scholz's soaring guitar. ... [1 Related Articles]
Delphi
ancient town and seat of the most important Greek temple and oracle of Apollo. It lay in the territory of Phocis on the steep lower slope of Mount Parnassus, about ... [8 Related Articles]
Delphi Corp.
(from the article "Economic Affairs") For auto suppliers it was an equally grim season. The world's second largest auto-parts supplier, Delphi, filed for bankruptcy protection in October after the company said that it could not ...
Delphic oracle
(from the article "oracle") The most famous ancient oracle was that of Apollo at Delphi, located on the slopes of Mt. Parnassus above the Corinthian Gulf. Traditionally, the oracle first belonged to Mother Earth ...
Delphin Classics
an edition of the Latin classics prepared in the reign of Louis XIV of France. The series was supervised by Pierre-Daniel Huet from 1670 to 1680, when he was working ...
Delphinidae
(from the article "dolphin") any of the toothed whales belonging to the families Delphinidae (oceanic dolphins) or Platanistidae (river dolphins). Of the 32 species of dolphins in the Delphinidae, 6 are commonly called whales, ...
Delphinus
(from the article "Constellations") ...affirming that he had remained behind, they were suddenly confronted by Arion himself. The sailors confessed and were punished, and Arion's lyre and the dolphin became the constellations Lyra and ...
Delray Beach
city, Palm Beach county, southeastern Florida, U.S. It lies along the Atlantic Ocean about 20 miles (30 km) south of West Palm Beach. Settlers from Michigan arrived in 1894 and ...
Delsarte, Francois
(from the article "acting") The difficulty of solving the problem is illustrated by the work of the 19th-century French teacher Francois Delsarte, whose influence was widespread not only in France but also in the ...
Delsberg Valley
(from the article "Jura Mountains") Annual precipitation increases to the south and west, reaching more than 80 inches (2,030 mm) on Mount Risouz and Mount Tendre; but the Delsberg Valley and the north-facing corridor of ...
Delsemme, Armand H.
(from the article "comet") An average heuristic model for the elemental abundances of the cometary nucleus was developed by the American astronomer Armand H. Delsemme in 1982. Delsemme computed the H:C:N:O:S ratios from ultraviolet ...
Delta
district municipality, southwestern British Columbia, Canada. It is situated in the southern Vancouver metropolitan area, between the Fraser River delta and Boundary Bay (an arm of the Strait of Georgia). ...
Delta
(from the article "cell") ...system of vertebrates, neurons arise from a simple tube of neuroepithelium, the cells of which possess a surface receptor called Notch. These cells also possess another cell surface molecule called ...
delta
low-lying plain that is composed of stream-borne sediments deposited by a river at its mouth. [19 Related Articles]
Delta
American three-stage space-launch vehicle; its development began in 1959. The first version was capable of placing a 480-pound (220-kilogram) payload into a 300-mile (480-kilometre) orbit. In the early 1960s, Delta ... [3 Related Articles]
Delta
(from the article "submarine") ...miles. In 1967 the first of the Soviet Union's 8,000-ton Yankee-class submarines were delivered, which carried 16 SS-N-6 missiles of 1,300-nautical-mile range. These were followed a decade later by Delta-class ...
Delta
city, Millard county, west-central Utah, U.S. Delta is one of the few Utah towns to have been founded in the 20th century with little involvement from the Mormon church, which ...
Delta
state, southern Nigeria. It is bounded by Edo state to the north, Anambra state to the east, Rivers state to the southeast and south, the Bight of Benin of the ...
Delta Air Lines, Inc.
American airline incorporated on Dec. 31, 1930, as Delta Air Corporation, which adopted the current name in 1945. Engaged initially in agricultural dusting operations in the southern United States and ... [7 Related Articles]
Delta Amacuro
estado (state), northeastern Venezuela. It is bounded by the Atlantic Ocean on the northeast, Guyana on the southeast, and the Venezuelan states of Bolivar on the south and Monagas on ...
delta bond
(from the article "chemical bonding") ...by the cylindrically symmetrical overlap of two d orbitals. There are also two pi bonds formed by the overlap of two appropriately orientated d orbitals. The new feature is the ...
delta cell
(from the article "digestive system, human") ...cells) may reside in only a fraction of the chain-for example, in a four- or five-amino-acid sequence. In other instances the entire chain must be intact to achieve this purpose. ...
Delta Cephei
prototype star of the class of Cepheid variables, in the constellation Cepheus. Its apparent visual magnitude at minimum is 4.34 and at maximum 3.51, changing in a regular cycle of ... [2 Related Articles]
delta connection
(from the article "electric generator") ...also sum to zero at every instant, the three windings can be connected in series-a' to b, b' to c, and c' to a-to form a delta connection. The output ...
delta front
(from the article "delta") ...removed by waves and ocean currents. Deltas typically consist of three components. The most landward section is called the upper delta plain, the middle one the lower delta plain, and ...
delta iron
(from the article "iron") ...from hard and brittle cast irons containing up to 4 percent carbon to more malleable low-carbon steels containing less than 0.1 percent carbon. Three true allotropes of iron in its ...
Delta IV
(from the article "Physical Sciences") The Delta IV heavy-lift launch vehicle was launched for the first time on December 21. It had a 4.6-m (15-ft) core rocket and two identical boosters, each powered by RS-68 ...
Delta Project
in the southwestern Netherlands, a giant flood-control project that closed off the Rhine, Maas, and Schelde estuaries with dikes linking the islands of Walcheren, Noord-Beveland, Schouwen, Goeree, and Voorne and ... [8 Related Articles]
delta ray
in physics, any atomic electron that has acquired sufficient energy by recoiling from a charged particle passing through matter to force, in turn, some dozens of electrons out of other ... [1 Related Articles]
delta state
(from the article "subatomic particle") ...than protons and neutrons. For example, the spins of the three quarks can be arranged so that they do not cancel. In this case they form short-lived resonance states, which ...
delta wave
(from the article "electroencephalography") ...the brain waves become extremely slow. Such is also the case when a person is in a deep coma. Other abnormal conditions are associated with particular EEG patterns. Irregular slow ...
delta wing
(from the article "airplane") The wing planform is the shape it forms when seen from above. Delta wings are formed in the shape of the Greek letter delta (Delta); they are triangular wings lying ...
Delta, the
(from the article "Mississippi") In the northwest the great fertile crescent called the Delta is the old floodplain of the Yazoo and Mississippi rivers, comprising 4,000,000 acres (1,600,000 hectares) of black alluvial soil many ...
delta-beta-thalassemia
(from the article "blood disease") ...the beta-chains of globin (beta-thalassemia), the alpha-chains (alpha-thalassemia), the delta-chains (delta-thalassemia), or both delta- and beta-chain synthesis. In the last (delta-beta-thalassemia), Hb F concentrations usually are considerably elevated since the ...
delta-thalassemia
(from the article "blood disease") The defect in thalassemia may involve the beta-chains of globin (beta-thalassemia), the alpha-chains (alpha-thalassemia), the delta-chains (delta-thalassemia), or both delta- and beta-chain synthesis. In the last (delta-beta-thalassemia), Hb F concentrations ...
Deltatheridium
a genus of extinct mammals found as fossils in rocks from Upper Cretaceous times (about 100-65.5 million years ago) of Asia and, questionably, North America. Deltatheridium was ...
deltoideus muscle
large, triangular muscle that covers the shoulder and serves mainly to raise the arm laterally. The deltoid, as it is commonly known, originates on the outer front third of the ... [1 Related Articles]
Deluc, Jean Andre
Swiss-born British geologist and meteorologist whose theoretical work was influential on 19th-century writing about meteorology.
delusion
in psychology, a rigid system of beliefs with which a person is preoccupied and to which the person firmly holds, despite the logical absurdity of the beliefs and a lack ... [3 Related Articles]
Delvalle, Eric Arturo
(from the article "Panama") ...in secret. The population was increased by Jewish immigrants from the West Indies (notably from Curacao) in the mid-19th century. Panama had the Western Hemisphere's first Jewish president, Eric Arturo ...
Delvaux, Andre
Belgian filmmaker (b. March 21, 1926, Heverlee, Belg.-d. Oct. 4, 2002, Valencia, Spain), was widely regarded as the founder of the Belgian national cinema. A musician and teacher, Delvaux made ...
Delvaux, Paul
Belgian Surrealist painter and printmaker whose canvases typically portray transfixed nudes and skeletons in mysterious settings. [2 Related Articles]
Delvigne, Henri-Gustave
French army officer and inventor who designed innovative rifles and helped introduce the cylindrical bullet. [1 Related Articles]
dema deity
any of several mythical ancestral beings of the Marind-Anim of southern New Guinea, the centre of a body of mythology called the dema deity complex. The decisive act in dema ... [3 Related Articles]
Demades
Athenian orator and diplomat who rose from humble origins to a leading place in politics through his vigorous speeches and shrewd ability to fathom popular opinion. Demades opposed Demosthenes' attempt ... [1 Related Articles]
demagnetization
(from the article "magnet") Demagnetization and magnetic anisotropy. As far as domain rotation is concerned, there are two important factors to be considered, demagnetization and magnetic anisotropy (exhibition of different magnetic properties when measured ...
Demak
(from the article "Indonesia") The conflict apparently began with the determination of the coastal rulers of the Islamic sultanate of Demak in the first half of the 16th century to rule over a great ...
demand assigned multiple access
(from the article "telecommunications media") ...area-of-coverage beams for broadcasting and small area-of-coverage "spot beams" for point-to-point communications. By switching between these beams upon request-a process known as demand assigned multiple access (DAMA)-multibeam satellites can link ...
demand certificate of deposit
(from the article "certificate of deposit") a receipt from a bank acknowledging the deposit of a sum of money. Among the common types are demand certificates of deposit and time certificates of deposit. Demand certificates of ...
demand curve
in economics, a graphic representation of the relationship between product price and the quantity of the product demanded. It is drawn with price on the vertical axis of the graph ... [3 Related Articles]
demand forecasting
(from the article "logistics") This activity is carried on in conjunction with the firm's marketing staff and is used to obtain a better idea of the logistic needs of the next planning period. These ...
Demand, Thomas
(from the article "Art and Art Exhibitions") The first photography exhibition of 2005 in the newly renovated Museum of Modern Art (MoMA), New York City, was on view March 4-May 30 and showcased Thomas Demand's work, which ...
demanding reaction
(from the article "catalysis") ...the catalyst was fired in vacuo at 900 °C (1,600 °F), the percentage dispersion remaining at 35 percent in both cases. Such structure-sensitive catalytic reactions have been called "demanding reactions." ...
Demantius, Christoph
(from the article "choral music") Dialogues in this vein were also cultivated successfully by Christoph Demantius, whose anthology of 1609 contains examples of memorable beauty and charm. In his Jungfrew, ich het ein' Bitt' an ...
demantoid
(from the article "andradite") ...index. It is found in various colours, some of the most beautiful being yellowish (termed topazolite, because of its resemblance to topaz) and yellowish green or emerald-green (Uralian emeralds, or ...
Demaratus
king of Sparta, together with Cleomenes I, who frustrated Cleomenes' designs on both Athens and Aegina. He was consequently dethroned by Cleomenes on a false charge of illegitimacy, upon which ...
Demarcay, Eugene-Anatole
(from the article "europium") ...element, rare-earth metal of the lanthanoid series of the periodic table; it is the least dense, softest, and most volatile member of the lanthanoid series. The element was discovered (1896) ...
Demarest, David
(from the article "New Milford") ...north of Hackensack on the east bank of the Hackensack River. Early Dutch settlers established a plantation-type farm called Vriesendael, which was pillaged by Delaware Indians in 1643. In 1675 ...
Demavend, Mount
extinct volcanic peak of the Elburz Mountains, Iran, about 42 miles (68 km) northeast of Tehran. Estimates of its height vary from about 18,400 feet (5,600 m) to more than ... [4 Related Articles]
Dembinski, Henryk
Polish soldier and revolutionary leader. Dembinski was the chief military commander in the Polish revolt of 1830-31, and he served as commander in chief of the Hungarian army during the ...
Dembo, Richard
(from the article "1984: Best Foreign-Language Film") Other Nominees
Demchenko, Albert
(from the article "Bobsleigh, Skeleton, and Luge") ...World Cup title by winning half the season races, and at the Winter Olympics in Turin, Italy, he added a new Olympic gold to the one he won in Salt ...
deme
in ancient Greece, country district or village, as distinct from a polis, or city-state. Demos also meant the common people (like the Latin plebs). In Cleisthenes' democratic reform at Athens ... [2 Related Articles]
dementia
chronic, usually progressive deterioration of intellectual capacity associated with the widespread loss of nerve cells and the shrinkage of brain tissue. Dementia is most commonly seen in the elderly (senile ... [5 Related Articles]
Demerara
(from the article "Guyana") ...of the Demerara; the Dutch renamed it Stabroek and continued to develop it. The British took over in 1796 and remained in possession, except for short intervals, until 1814, when ...
Demerara River
river in eastern Guyana that rises in the forests of central Guyana and flows northward without important tributaries for 215 miles (346 km) to the Atlantic Ocean at Georgetown. Its ... [2 Related Articles]
Demers, Jacques
(from the article "Literature") Former hockey coach Jacques Demers shocked the public with his as-told-to story Jacques Demers: en toutes lettres, in which he admitted (to author Mario Leclerc) his illiteracy and described the ...
demesne
in English feudal law, that portion of a manor not granted to freehold tenants but either retained by the lord for his own use and occupation or occupied by his ... [5 Related Articles]
Demeter
in Greek religion, daughter of the deities Cronus and Rhea, sister and consort of Zeus (the king of the gods), and goddess of agriculture. Her name indicates that she is ... [11 Related Articles]
Demetrias
(from the article "Volos") ...Volos, and just south of it are the ruins of Pagasae, a prominent port from Mycenaean to late Classical times. In 293 BC Pagasae was eclipsed by the newly founded ...
Demetrios Of Alopeka
Greek sculptor, said by ancient critics to have been notable for the lifelike realism of his statues. His style was contrasted with that of Cresilas, an idealizing sculptor of the ...
Demetrius
(from the article "Midsummer Night's Dream, A") ...has conquered Hippolyta, the Amazon queen, and is about to wed her. Meanwhile, two lovers, Hermia and Lysander, seek refuge in the forest near Athens when Hermia's father demands that ...
Demetrius
king of Bactria who was the son and successor of Euthydemus. The historical evidence for Demetrius' reign is slight and open to varying interpretations. According to some scholars, he ruled ... [2 Related Articles]
Demetrius
(from the article "fable, parable, and allegory") ...approximately 200 "Aesop" fables, but there is no way of knowing who invented which tales or what their original occasions might have been. Aesop had already receded into legend when ...
Demetrius
(from the article "Flamininus, Titus Quinctius") ...surrender of Hannibal, who had served Prusias against Rome, because he had served Antiochus. Hannibal committed suicide rather than surrender to the Romans. Flamininus worked with the Senate to name ...
Demetrius
(from the article "painting, Western") ...his victorious campaign. It is significant, perhaps, that Metrodorus was a philosopher as well as a painter and that he was also employed by Paullus in educating his children. Tradition ...
Demetrius
(from the article "Clement of Alexandria, Saint") ...uneducated orthodox Christians of Alexandria, who looked askance at intellectuals, especially at the heretical Gnostics who claimed a special knowledge (gnosis) and spirituality. Led by Demetrius, the bishop of Alexandria ...
Demetrius
(from the article "Titus Andronicus") ...when his brother Bassianus runs away with her instead, Saturninus marries Tamora. Saturninus and Tamora then plot revenge against Titus. Lavinia is raped and mutilated by Tamora's sadistic sons Demetrius ...
Demetrius Chalcondyles
Renaissance teacher of Greek and of Platonic philosophy. [1 Related Articles]
Demetrius I Poliorcetes
king of Macedonia from 294 to 288 BC. [12 Related Articles]
Demetrius I Soter
king of Syria from 162 to 150 BC. He was one of the line of rulers of the Seleucid dynasty, founded in 312 by a Macedonian successor of Alexander the ... [3 Related Articles]
Demetrius II
king of Macedonia from 239 to 229 BC. [3 Related Articles]