| | - degree
- (from the article "mathematics") Lagrange presented a detailed analysis of the solution by radicals of second-, third-, and fourth-degree equations and investigated why these solutions failed when the degree was greater than or equal ...
- degree
- (from the article "graph theory") An important number associated with each vertex is its degree; this is defined as the number of edges that enter or exit from it-thus, a loop contributes 2 to the ...
- degree
- (from the article "criminal law") The common-law tradition distinguishes four degrees of participation in crime. One who commits the act "with his own hand" is a principal in the first degree. His counterpart in French ...
- degree
- (from the article "formal logic") ...symbols designed to stand for functions. The notion of a function may be sufficiently explained for present purposes as follows: There is said to be a certain function of n ...
- degree day
- (from the article "agricultural technology") One weather characteristic of agricultural value is the degree day. This concept holds that the growth of a plant is dependent on the total amount of heat to which it ...
- DeGregory v. New Hampshire Attorney General
- (from the article "legislative investigative powers") ..."groups which themselves are neither engaged in subversive or other illegal or improper activities . . . are to be protected in their rights of free and private association." Later, ...
- Degrelle, Leon
- founder and leader of the Rexist Party of Belgium, who collaborated with the Germans during World War II. [3 Related Articles]
- Degtyarev, Vasily
- (from the article "small arm") After the war, Vasily Degtyarev of the Soviet Union incorporated Schmeisser's principles into his own designs, culminating in the Pistolet Pulemyot Degtyarova of 1940. The PPD was fed by a ...
- degu
- one of four species of ratlike South American rodents found primarily on the lower western slopes of the Andes Mountains. It is one of the most common mammals of central ... [1 Related Articles]
- Deguchi Nao
- (from the article "Omoto") ...between World War I and World War II and that served as a model for numerous other sects in that country. The teaching of Omoto is based on divine oracles ...
- Deguchi Onisaburo
- (from the article "Omoto") The doctrine was systematized and organized by her son-in-law, Deguchi Onisaburo (1871-1948), who denounced armament and war and identified himself as the leader who would establish the new order. He ...
- deguele
- (from the article "art, African") ...for a human head are carried on the top corner of a rectangular, tentlike costume called kagba. This mask is the symbol of the Lo, which only initiates may see. ...
- degumming
- (from the article "fat and oil processing") Water refining, usually called degumming, consists of treating the natural oil with a small amount of water, followed by centrifugal separation. The process is applied to many oils that contain ...
- Deh Cho First Nations
- (from the article "Arctic Regions") In Canada progress on the environmental-impact assessment process for the Mackenzie Delta pipeline became mired in litigation with the Deh Cho First Nations, whose traditional territory encompassed 40% of the ...
- dehalogenation
- (from the article "elimination reaction") ...groups of atoms leaving the molecule. The removal of a hydrogen atom and a halogen atom, for example, is known as dehydrohalogenation; when both leaving atoms are halogens, the reaction ...
- dehiscence
- (from the article "Fabales") ...also can be found in other plant families. It is the pistil, or gynoecium, of Fabales that is unique. The single carpel develops into a fruit (the pod, or legume) ...
- Dehiwala-Mount Lavinia
- urban area on the southwestern coast of Sri Lanka (Ceylon). The area lies south of Colombo, of which it is a residential suburb. It comprises Dehiwala, Galkissa, Mount Lavinia, and ...
- Dehmel, Richard
- German poet who exerted a major influence on young writers through his innovations in form and content.
- Dehmelt, Hans Georg
- German-born American physicist who shared one-half of the Nobel Prize for Physics in 1989 with the German physicist Wolfgang Paul. (The other half of the prize was awarded to the ... [1 Related Articles]
- Dehn's lemma
- (from the article "Dehn, Max") German mathematician and educator whose study of topology in 1910 led to his theorem on topological manifolds, known as Dehn's lemma.
- Dehn, Max
- German mathematician and educator whose study of topology in 1910 led to his theorem on topological manifolds, known as Dehn's lemma. [1 Related Articles]
- Dehn, Paul
- (from the article "1951: Other Winners") Screenplay: Michael Wilson and Harry Brown for A Place in the SunMotion Picture Story: Paul Dehn and James Bernard for Seven Days to NoonStory and Screenplay: Alan Jay Lerner for ...
- Dehon, Leon-Gustave
- French Roman Catholic priest who founded the Congregation of the Priests of the Sacred Heart of Jesus, a congregation of priests and brothers dedicated to spreading the apostolate of the ...
- Dehra Dun
- city, capital of Uttaranchal state, northern India. It lies in the Himalayan foothills at an elevation of 2,200 feet (670 metres). Dehra Dun was founded in 1699, when the heretical ... [1 Related Articles]
- Dehri
- city, western Bihar state, northeastern India, west of the Son River. It has major road and rail connections and houses railway workshops. Dehri is the headworks of the Son canal ...
- Dehua porcelain
- Chinese porcelain made at Dehua in Fujian province. Although the kiln began production some time during the Song period (960-1279), most examples of the porcelain are attributed to the Ming ... [3 Related Articles]
- dehydration
- in food processing, means by which many types of food can be preserved for indefinite periods by extracting the moisture, thereby inhibiting the growth of microorganisms. Dehydration is one of ... [4 Related Articles]
- dehydration
- (from the article "duricrust") Mechanisms that are capable of promoting dehydration and hardening of ferricrusts, whether before, during, or after stripping of the overlying soil, include the destruction of forest and lowering of the ...
- dehydration
- loss of water from the body; it is almost invariably associated with some loss of salt (sodium chloride) as well. The treatment of any form of dehydration, therefore, requires not ... [11 Related Articles]
- dehydration reaction
- (from the article "metamorphic rock") ...but in general the fluid and rock-load pressures tend to be rather similar during such reactions. The water virtually fights its way out by lifting the rocks. Thus, the first ...
- dehydrogenation
- (from the article "oxidation-reduction reaction") ...nontransparent. The mechanism of soot formation is accounted for by simultaneous polymerization, a process whereby molecules or molecular fragments are combined into extremely large groupings, and dehydrogenation, a process that ...
- dehydrohalogenation
- (from the article "elimination reaction") Elimination reactions are commonly known by the kind of atoms or groups of atoms leaving the molecule. The removal of a hydrogen atom and a halogen atom, for example, is ...
- Deianeira
- (from the article "Heracles") Having completed the Labours, Heracles undertook further enterprises, including warlike campaigns. He also successfully fought the river god Achelous for the hand of Deianeira. As he was taking her home, ...
- Deichstrasse
- (from the article "Hamburg") The last intact ensemble of traditional Hamburg architecture is to be found in the Deichstrasse, one side of which backs onto the Nikolai canal. Its tall, narrow houses, resembling those ...
- deification
- (from the article "Eastern Orthodoxy") ...sin is viewed as a punishable crime, and grace is understood to grant forgiveness. Hence, in the West, the aim of the Christian is justification, but in the East, it ...
- Deighton, Len
- English author, journalist, film producer, and a leading writer of spy stories, his best-known being his first, The Ipcress File (1962), an account of deception and betrayal in an espionage ...
- Deildartunguhver
- (from the article "Iceland") ...hot springs and solfataras-volcanic vents that emit hot gases and vapours-than any other country. Alkaline hot springs are found in some 250 areas throughout the country. The largest, Deildartunguhver, emits ...
- Deimos
- (from the article "Ares") ...gods and even his parents, however, were not fond of him (Iliad v, 889 ff.). Nonetheless, he was accompanied in battle, by his sister Eris (Strife) and his sons (by ...
- Deimos
- the outer and smaller of Mars's two moons. It was discovered telescopically with its companion moon, Phobos, by the American astronomer Asaph Hall in 1877 and named for one of ... [1 Related Articles]
- Deinonychus
- long-clawed carnivorous dinosaurs that flourished in western North America during the Early Cretaceous Period (99 million to 65 million years ago). A member of the dromaeosaur group, Deinonychus was bipedal, ... [3 Related Articles]
- deinstitutionalization
- (from the article "mental disorder") Between about 1850 and 1950 there was a steady increase in the number of patients staying in mental hospitals. In England and Wales, for example, there were just over 7,000 ...
- Deioces
- petty Median chieftain subject to the kingdom of Mannai in modern Iranian Azerbaijan; later tradition made him the founder of the Median empire. [2 Related Articles]
- Deiotarus
- tetrarch of the Tolistobogii (of western Galatia, now in western Turkey), later king of all Galatia, who, as a faithful ally of the Romans, became involved in the struggles between ...
- Deiphobus
- (from the article "Helen") ...she chose Menelaus, Agamemnon's younger brother. During an absence of Menelaus, however, Helen fled to Troy with Paris, son of the Trojan king Priam; when Paris was slain, she married ...
- Deiphon
- genus of trilobites (extinct arthropods) easily recognized in fossil form in Silurian rocks in North America because of its highly unusual shape (the Silurian Period began 438 million years ago ...
- Deir Tasa
- (from the article "Tasian culture") The Tasian culture is best known from evidence found on the east bank of the Nile River at al-Badari and at Deir Tasa. Tasian remains are somewhat intermingled with the ...
- Deira
- a northern Anglo-Saxon kingdom in Britain which, by the last quarter of the 7th century AD, had been united with its neighbour Bernicia (q.v.) to form the kingdom of Northumbria. ... [2 Related Articles]
- Deirdre
- in early Irish literature, the gentle and fair heroine of The Fate of the Sons of Usnech (Oidheadh Chloinne Uisneach), the great love story of the Ulster cycle. First composed ...
- Deisenhofer, Johann
- German biochemist who, along with Hartmut Michel and Robert Huber, received the Nobel Prize for Chemistry in 1988 for their determination of the structure of certain proteins that are essential ... [1 Related Articles]
- Deism
- an unorthodox religious attitude that found expression among a group of English writers beginning with Edward Herbert (later 1st Baron Herbert of Cherbury) in the first half of the 17th ... [20 Related Articles]
- Deiss, Joseph
- (from the article "Switzerland") Area: 41,284 sq km (15,940 sq mi) | Population (2004 est.): 7,392,000 | Capitals: Bern (administrative) and Lausanne (judicial) | Head of state and government: President Joseph Deiss |
- Deiters cell
- (from the article "ear, human") Each outer hair cell is supported by a phalangeal cell of Deiters, or supporting cell, which holds the base of the hair cell in a cup-shaped depression (Figure 6). From ...
- deja vu
- (from the article "memory abnormality") The deja vu experience has aroused considerable interest and is occasionally felt by most people, especially in youth or when they are fatigued. It has also found its way into ...
- Dejazet, Virginie
- (from the article "Sardou, Victorien") ...an illusion of life, and this largely accounts for his rapid decline in popularity. Madame Sans-Gene, his last success, is still performed. His initial successes he owed to the actress ...
- dejection
- (from the article "astrology") ...of which is also dominated by a planet. Scattered at various points throughout the ecliptic are the planets' degrees of exaltation (high influence), opposite to which are their degrees of ...
- DeKalb
- city, DeKalb county, north-central Illinois, U.S. It lies on the south branch of the Kishwaukee River, about 60 miles (100 km) west of Chicago. Founded in 1837, it was called ...
- Dekanawida
- (from the article "Iroquois Confederacy") Tradition credits the formation of the confederacy, between 1570 and 1600, to Dekanawidah, born a Huron, who is said to have persuaded Hiawatha, an Onondaga living among Mohawks, to abandon ...
- Deken, Aagje
- writer and collaborator with Betje Wolff (q.v.) on the first Dutch novel, De historie van mejuffrouw Sara Burgerhart, 2 vol. (1782; "The History of Miss Sara Burgerhart"). [2 Related Articles]
- Dekker, Desmond
- Jamaican singer-songwriter (b. July 16, 1941, Kingston, Jam.-d. May 25, 2006, Thornton Heath, Eng.), was the first Jamaican to become an international pop music star, with hits in three genres: ...
- Dekker, Thomas
- English dramatist and writer of prose pamphlets who is particularly known for his lively depictions of London life. [7 Related Articles]
- Del Giudice, Daniele
- (from the article "Italian literature") Among younger voices, two extremely professional authors-cosmopolitan minimalist Andrea De Carlo and painstaking observer and stylist Daniele Del Giudice-were "discovered" in the early 1980s by Italo Calvino. In novels such ...
- Del Monte Foods
- American corporation engaged primarily in processing, canning, and distributing food. It is a major grower and distributor of bananas and pineapples, and it owns subsidiaries engaged in trucking, public warehousing, ...
- Del Rio
- city, seat (1885) of Val Verde county, southwestern Texas, U.S. It lies along the Rio Grande, there bridged to Ciudad Acuna, Mexico, 145 miles (233 km) west of San Antonio. ...
- del Rio, Andres Manuel
- (from the article "vanadium") Vanadium was discovered (1801) by the Spanish mineralogist Andres Manuel del Rio, who named it erythronium but eventually came to believe it was merely impure chromium. The element was rediscovered ...
- Del Toro, Benicio
- (from the article "2000: Best Supporting Actor") Other Nominees
- Delaborde, J. B.
- (from the article "electronic instrument") Electricity was used in the design of musical instruments as early as 1761, when J.B. Delaborde of Paris invented an electric harpsichord. Experimental instruments incorporating solenoids, motors, and other electromechanical ...
- Delacour, Jean Theodore
- French-American aviculturist known for discovering and rearing some of the world's rarest birds. [1 Related Articles]
- Delacroix, Eugene
- the greatest French Romantic painter, whose use of colour was influential in the development of both Impressionist and Post-Impressionist painting. His inspiration came chiefly from historical or contemporary events or ... [14 Related Articles]
- delafossite
- metallic, black copper and iron oxide (CuFeO2) that is found as a secondary mineral associated with other oxide minerals of copper and iron in Sonora, Mex.; Pedroso, Spain; and Pfaffenreuth, ...
- Delag
- (from the article "Zeppelin, Ferdinand, Graf (count) von") ...and when Zeppelin achieved 24-hour flight in 1906, he received commissions for an entire fleet. More than 100 zeppelins were used for military operations in World War I. A passenger ...
- Delage
- (from the article "automobile") Other motorcars of this type included the Hispano-Suiza of Spain and France; the Bugatti, Delage, Delahaye, Hotchkiss, Talbot (Darracq), and Voisin of France; the Duesenberg, Cadillac,...
- Delage, Yves
- French zoologist known for his research and elucidation of invertebrate physiology and anatomy. He also discovered the equilibrium-stabilizing function of the semicircular canals in the inner ear (1886).
- Delagoa Bay
- bay on the southeast coast of Mozambique, East Africa, near the South African border. The name probably derives from Baia da Lagoa (Bay of the Lagoon). It is 19 mi ... [5 Related Articles]
- Delahaye
- (from the article "Le Mans Grand Prix d'Endurance (also called Le Mans 24-Hour Race)") Other motorcars of this type included the Hispano-Suiza of Spain and France; the Bugatti, Delage, Delahaye, Hotchkiss, Talbot (Darracq), and Voisin of France; the Duesenberg, Cadillac, Packard, and...
- delaine
- any high-grade woolen or worsted fabric made of fine combing wool. Delaine was originally a high-quality women's wear dress material.
- Delaine sheep
- (from the article "delaine") The word delaine is still applied to a staple all-wool fabric made in plain weave and of compact structure. Delaine sheep, a Merino type, are raised in the United States, ...
- Delaki, Mount
- (from the article "Alor Islands") ...feet [1,765 metres]) and Muna (4,724 feet [1,440 metres]), are both old volcanoes. Alor is broken up by steep ravines, with only one plateau and some small coastal plains. Pantar ...
- Delalande, Michel-Richard
- leading composer of sacred music in France in the early 18th century, one of the few composers who asserted any influence while Jean-Baptiste Lully lived.
- Delambre, Jean-Baptiste-Joseph
- French astronomer who prepared tables that plot the location of Uranus. [3 Related Articles]
- Delamere, George Booth, 1st Baron
- English politician who led an abortive Royalist revolt against the Commonwealth government in August 1659. His insurrection foreshadowed the Royalist upsurge that resulted in the restoration of the Stuart monarchy ...
- Delamere, Hugh Cholmondeley, 3rd Baron
- a leader of European colonists in British East Africa Protectorate (now Kenya). Controversial and outspoken, Delamere was the central figure of the white community in Kenya. He believed that civilization ...
- Delamotte, Philip Henry
- (from the article "photography, history of") ...the United States, photographs captured the building of the industrial infrastructure, from bridges to railroad lines, from opera houses to public places to monumental statuary. In the early 1850s Philip ...
- DeLancey, James
- lieutenant governor and chief justice of the British colony of New York.
- Deland, Margaret
- American writer who frequently portrayed small-town life.
- Delane, John Thaddeus
- editor of The Times of London for 36 years. [1 Related Articles]
- Delaney, Shelagh
- British playwright who, at age 19, won critical acclaim and popular success with the London production of her first play, A Taste of Honey (1958). Two years later, Delaney received ...
- Delannoy, Jean
- French filmmaker enjoyed tremendous popularity with French audiences for his films, many of which explored thought-provoking moral and philosophical issues, but he received intense criticism from French New Wave (Nouvelle ...
- Delano, Jane A.
- American nurse and educator who made possible the enlistment of more than 20,000 U.S. nurses for overseas duty during World War I.
- Delanoe, Bertrand
- Bertrand Delanoe entered the history books when on March 18, 2001, he became the first Socialist mayor of Paris since 1871. On a shorter time scale, Delanoe's victory was also ...
- Delany's swamp mouse
- (from the article "rodent") ...(18 grams [0.64 ounce], body 12 cm [4.7 inches] long) and the marmot (3,000 grams, body 50 cm long) spans the majority of living rodents, but the extremes are remarkable. ...
- Delany, Annie Elizabeth
- ("BESSIE"), noted U.S. centenarian and co-writer with her older sister, Sadie, of Having Our Say (1993), which became the basis of a Broadway play and chronicled the changes the African-American ...
- Delany, Martin R.
- African American abolitionist, physician, and editor in the pre-Civil War period; his espousal of black nationalism and racial pride anticipated expressions of such views a century later. [1 Related Articles]
- Delany, Samuel R.
- American science-fiction novelist and critic whose highly imaginative works address sexual, racial, and social issues, heroic quests, and the nature of language. [1 Related Articles]
- Delany, Sarah Louise
- American centenarian, the first African American home economics teacher in white New York schools, and coauthor in 1993, with her sister Bessie, of Having Our Say: The ...
- Delaroche, Paul
- painter whose painstakingly realistic historical subjects made him one of the most successful academic artists of mid-19th-century France. Delaroche's father was an art expert, his uncle was curator of the ... [2 Related Articles]
- delator
- ancient Roman prosecutor or informer. The role of the informer in matters of criminal law and fiscal claims was of singular importance to the maintenance of order in Roman society, ... [1 Related Articles]
- Delaunay, Charles-Eugene
- French mathematician and astronomer whose theory of lunar motion advanced the development of planetary-motion theories. [1 Related Articles]
- Delaunay, Robert
- French painter who first introduced vibrant colour into Cubism and thereby originated the trend in Cubist painting known as Orphism (q.v.). He was one of the earliest completely nonrepresentational painters, ... [5 Related Articles]
- Delaunay, Sonia
- Russian painter, illustrator, and textile designer who was a pioneer of abstract art in the years before World War I. [1 Related Articles]
- Delaune, Etienne
- (from the article "printmaking") ...Although these elegant engravings cannot be ranked with the work of the great masters, they represent a genuine expression of the French spirit. The outstanding figure of this school was ...
- Delavan
- (from the article "circus") ...towns were Peru, Indiana, which sheltered Hagenbeck-Wallace and other shows; Baraboo, Wisconsin, the winter home for the Ringling Bros. Circus and the Ringlings' cousins the Gollmar Brothers; Delavan, Wisconsin, home ...
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