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drop method ... Druze
drop method
(from the article "materials testing") Specific heat of solid materials (defined as heat absorbed per unit mass per degree change in temperature) is generally measured by the drop method, which involves adding a known mass ...
drop shipper
(from the article "marketing") ...not delivering goods. Truck wholesalers or jobbers sell and deliver directly from their vehicles, often for cash. They carry a limited line of semiperishables such as milk, bread, and snack ...
drop shot
(from the article "tennis") ...the service toss. The half volley is a shot played on a very short bounce, usually a defensive stroke effected when one cannot quite reach an opponent's shot in the ...
drop-leaf table
table with one or two hinged leaves supported by articulated legs, arms, or brackets. An early 17th-century form is the gateleg table, which was followed by two later English forms-the ...
Dropkin, Celia
(from the article "Yiddish literature") Celia Dropkin lived in Warsaw and Kiev before immigrating to the United States in 1912. She began writing poetry in Russian. She was associated with both Di Yunge and the ...
dropouts, school
(from the article "Education") Pupils' dropping out of school at an early age was cited as a factor contributing to nations' lagging behind in social and economic progress. The Mexican government reported that 300,000 ...
dropped goal
(from the article "rugby") ...points if successful. Thus, goals could be scored from an opposition penalty ("penalty goals") or by dropping the ball on the field of play and kicking it through the uprights ...
dropped third strike
(from the article "baseball") The seventh method of reaching base is the dropped third strike. If, with two men out or with first base unoccupied regardless of how many are out, the batter swings ...
Dropsie College for Hebrew and Cognate Learning
(from the article "Adler, Cyrus") ...for research in Judaica and the training of rabbis; he did so principally by bringing Solomon Schechter from Europe, in 1902, to head the institution. In 1908 Adler became the ...
dropstone
(from the article "varved deposit") ...in recent and ancient sedimentary sequences, where they are often termed varvite, frequently display disruption of the fine lamination and couplets by outsize clasts. These clasts are called dropstones and ...
Drosera rotundifolia
(from the article "sundew") The most common North American and West European sundew, D. rotundifolia, has small white or pinkish flowers 1.25 cm (0.5 inch) across or less. The round, flat leaf with purplish ...
Droseraceae
family of perennial and sometimes annual flowering plants commonly known as sundews (see sundew family), within the order Caryophyllales. The leaves are usually in a basal rosette, and the upper ... [1 Related Articles]
Drosophila
(from the article "Drosophila") genus of flies commonly known as vinegar flies but also misleadingly called fruit flies. See vinegar fly.vinegar flyVinegar fly (Drosophila melanogaster).Andre Karwath
Drosophila birchi
(from the article "evolution") ...RIM to keep animal species from interbreeding. It can be remarkably strong even among closely related species. The vinegar flies Drosophila serrata, D. birchii, ...
Drosophila dominicana
(from the article "evolution") ...It can be remarkably strong even among closely related species. The vinegar flies Drosophila serrata, D. birchii, and D. dominicana are ...
Drosophila equinoxialis
(from the article "evolution") ...flies that have been extensively studied by evolutionists for several decades. Two of these sibling species, D. willistoni and D. equinoxialis, each consist of ...
Drosophila paulistorum
(from the article "evolution") One more sibling species of the group is D. paulistorum, a species that includes groups of populations well into the second stage of geographic speciation. Six such ...
Drosophila pseudoobscura
(from the article "Dobzhansky, Theodosius") Dobzhansky's most important contribution was to change this view. In observing wild populations of the vinegar fly Drosophila pseudoobscura, he found extensive genetic variability. Furthermore, about 1940 evidence accumulated that ...
Drosophila serrata
(from the article "evolution") Ethological isolation is often the most potent RIM to keep animal species from interbreeding. It can be remarkably strong even among closely related species. The vinegar flies
Drosophila willistoni
(from the article "evolution") Both stages of speciation are present in a group of six closely related species of New World Drosophila flies that have been extensively studied by evolutionists for ...
Drosophyllum
(from the article "carnivorous plant") The family Droseraceae comprises four genera (Aldrovanda, Dionaea, Drosera, and Drosophyllum) and about 115 species, nearly all of which belong to the genus Drosera, of the sundew family. Aldrovanda are ...
drossing
(from the article "nitrogen group element") ...process involves the formation of high-melting calcium or magnesium bismuthide (Ca3Bi2 or Mg3Bi2), which separates and can be skimmed off as dross. The dross may be chlorinated to remove the ...
Drost, Aernout
Dutch writer whose historical novels were the first important works of the 19th-century Romantic movement in The Netherlands. His passion for history influenced many of his contemporaries and successors. [1 Related Articles]
Droste-Hulshoff, Annette, Freiin von
poet and prose writer, among the most important poets of 19th-century Germany and the author of a novella considered a forerunner of 19th-century realistic fiction.
drott-kvaett
a medieval Scandinavian verse form used in skaldic poetry. Drott-kvaett consists of stanzas of eight regular lines, each of which has three stresses and ends with a trochee. The form ...
Drottningholm
(from the article "Tessin, Nicodemus, The Elder") ...important influence. He was named de la Vallee's successor in 1646 and spent several years after 1651 traveling in Germany, France, and Italy. His most significant building in Sweden, the ...
Drottningholm Island
(from the article "Malar, Lake") ...Gripsholm, begun in 1537 by Gustav I Vasa and known today for its portrait collection. In the episcopal palace at Strangnas, Gustav I Vasa was elected king of Sweden in ...
Drottningholm Theatre
18th-century court theatre of the Royal Palace of Drottningholm, near Stockholm, Swed. It is preserved with its original sets and stage machinery as a theatrical museum.
Drouais, Jean-Germain
historical painter who was one of the leading early Neoclassicists in France.
Drouet, Jean-Baptiste
French revolutionary, chiefly remembered for his part in the arrest of Louis XVI at Varennes.
Drouet, Jean-Baptiste, count d'Erlon
French soldier whose long career raised him from the ranks of both Louis XVI's and Napoleon's armies to be the first governor-general of Algeria and a marshal of France under ...
Drouet, Juliette
(from the article "Hugo, Victor") ...continued to pour out plays. There were two motives for this: first, he needed a platform for his political and social ideas, and, second, he wished to write parts for ...
drought
lack or insufficiency of rain for an extended period that causes a considerable hydrologic (water) imbalance and, consequently, water shortages, crop damage, streamflow reduction, and depletion of groundwater and soil ... [29 Related Articles]
drought quadrilateral
(from the article "Brazil") Brazil has a humid tropical and subtropical climate except for a drier area in the Northeast, sometimes called the drought quadrilateral or drought polygon, that extends from northern Bahia to ...
Drouyn de Lhuys, Edmond
French statesman and foreign minister under Napoleon III.
drowning
suffocation by immersion in a liquid, usually water. Water closing over the victim's mouth and nose cuts off the body's supply of oxygen. Deprived of oxygen the victim stops struggling, ... [1 Related Articles]
Droysen, Johann Gustav
historian and politician whose belief in Prussia's destiny to lead Germany influenced German unification, which he lived to see. Ironically, his ardent Prussian patriotism did not save him from falling ... [1 Related Articles]
Droz, Numa
prominent Swiss politician and twice federal president, who is best-remembered for his stand against the German chancellor Otto von Bismarck in the Wohlgemut affair (1889).
Dru, Joanne
(JOANNE LACOCK), U.S. film actress and captivating leading lady in the Westerns Red River, She Wore a Yellow Ribbon, and Wagonmaster (b. Jan. 31, 1923--d. Sept. 10, 1996).
Drucker, Peter F.
Austrian-born American management consultant, educator, and author, whose writings contributed to the philosophical and practical foundations of the modern business corporation. He was also a leader in the development of ... [1 Related Articles]
Druckman, Jacob Raphael
U.S. composer, teacher, and conductor who was influential in promoting contemporary music and won a Pulitzer Prize in 1972 for his orchestral work Windows (b. June 26, 1928--d. May 24, ...
Drudge, Matt
Before ABC Radio announced in July 1999 its intention to expand the broadcast of American journalist Matt Drudge's radio show from New York City to major cities nationwide, ABC News ... [1 Related Articles]
Drug
(from the article "providence") ...Zoroastrianism (also called Mazdaism and, in India, Parsiism) founded during the late 7th and early 6th centuries BC by Zoroaster (Zarathustra). This idea is called Asha and is the counterpart ...
drug
any chemical substance that affects the functioning of living things and the organisms (such as bacteria, fungi, and viruses) that infect them. Pharmacology, the science of drugs, deals with all ... [32 Related Articles]
drug abuse
the excessive, maladaptive, or addictive use of drugs for nonmedical purposes despite social, psychological, and physical problems that may arise from such use. Abused substances include such agents as anabolic ... [32 Related Articles]
drug action
(from the article "pharmaceutical industry") In addition to the animal toxicity studies outlined above, biopharmaceutical studies are required for all new drugs. The chemical makeup of the drug and the dosage form of the drug ...
drug allergy
hypersensitivity reaction to therapeutic agents that occasionally occurs on subsequent exposure to a drug against which an individual has already produced antibodies. Some drugs rarely cause allergic reactions (e.g., tetracyclines, ...
drug cartel
(from the article "Colombia") ...to cocaine trafficking, and shipments grew from individuals carrying small amounts to large quantities on boats and low-flying airplanes. Two major Mafia-like organizations-dubbed drug cartels-evolved from this illicit, lucrative trade: ...
drug cult
group using drugs to achieve religious or spiritual revelation and for ritualistic purposes. [2 Related Articles]
drug delivery
(from the article "nanotechnology") Nanotechnology promises to impact medical treatment in multiple ways. First, advances in nanoscale particle design and fabrication provide new options for drug delivery and drug therapies. More than half of ...
drug discount card
(from the article "Medicare's New Prescription-Drug Program") ...the new prescription-drug coverage feature of Medicare would not fully take effect until January 2006, a temporary step toward that goal was taken in 2004 with the issuance of Medicare-approved ...
Drug Enforcement Administration
(from the article "therapeutics") Controlled substances are drugs that foster dependence and have the potential for abuse. The Drug Enforcement Administration (DEA) regulates their manufacture, prescribing, and dispensing. Controlled substances are divided into five ...
drug interaction
(from the article "pharmaceutical industry") Drug interactions occur when one drug alters the pharmacological effect of another drug. The pharmacological effect of one or both drugs may be increased or decreased, or a new and ...
drug resistance
(from the article "malaria") ...malaria and manifested by confusion, convulsions, and coma-that frequently kills victims of P. falciparum malaria. Several strains of P. falciparum have developed that are resistant to some of the drugs ...
drug testing
(from the article "football (soccer)") ...in new areas as a governing body and competition regulator. The use of performance-enhancing drugs by teams and individual players had been suspected since at least the 1930s; FIFA introduced ...
drug use
use of drugs for psychotropic rather than medical purposes. Among the most common psychotropic drugs are opiates (opium, morphine, heroin), hallucinogens (LSD, mescaline, psilocybin), barbiturates, cocaine, amphetamines, tranquilizers, and cannabis. ... [4 Related Articles]
drug-eluting stent
(from the article "Health and Disease") ...prop open the vessel and improve blood flow to the heart. Reclosure of the stented artery months after the procedure was a problem, however, in as many as 30% of ...
Drugs for Neglected Diseases Initiative
(from the article "Doctors Without Borders") ...offer medical care to casualties of war, and deal with the problem of refugees in many countries throughout the world. In 2003 Doctors Without Borders was a founding partner in ...
Druid
(Celtic: "Knowing [or Finding] the Oak Tree"), member of the learned class among the ancient Celts. They seem to have frequented oak forests and acted as priests, teachers, and judges. ... [5 Related Articles]
Druid Theatre
(from the article "Performing Arts") ...complete cycle of six plays by J.M. Synge, including his masterpiece, The Playboy of the Western World, and his last, the mythical tragedy Deirdre of the Sorrows. Garry Hynes's superb ...
Druitt, Montague
(from the article "Jack the Ripper") ...covering up for highly placed culprits, perhaps even members of the royal family. Many of these works, however, are based on fraudulent claims and documents. The most commonly cited suspects ...
druk gyalpo
(from the article "Bhutan") Until the 1950s, Bhutan was an absolute monarchy whose sovereign was styled the druk gyalpo ("dragon king"). During the second half of the 20th century, the monarchs ...
Drukpa Kagyu
(from the article "Bhutan") ...the older of the two sects, and it has existed in both Bhutan and Tibet since about the 8th century. The Kagyu tradition of Tibetan Buddhism, founded in the 11th ...
drum
in biology, any of about 275 species of fishes of the family Sciaenidae (order Perciformes); drums are carnivorous, generally bottom-dwelling fishes. Most are marine, found along warm and tropical seashores. ... [1 Related Articles]
drum
musical instrument, the sound of which is produced by the vibration of a stretched membrane (it is thus classified as a membranophone within the larger category of percussion instruments). Basically, ... [18 Related Articles]
drum
in packaging, cylindrical container commonly made of metal or fibreboard. Steel drums with capacities ranging up to 100 U.S. gallons (379 litres) have been produced since about 1903; the sizes ...
drum
in architecture, any of the cylindrical stone blocks composing a column that is not a monolith. The term also denotes a circular or polygonal wall supporting a dome, cupola, or ... [1 Related Articles]
drum brake
(from the article "automobile") Originally, most systems for stopping vehicles were mechanically actuated drum brakes with internally expanding shoes; i.e., foot pressure exerted on the brake pedal was carried directly to semicircular brake shoes ...
drum chime
(from the article "chime") ...Most frequently "chime" refers to the bell chime (q.v.), but it also denotes tubular bells (q.v.), or orchestral bells; the stone chimes (q.v.), or lithophone; drum chimes, sets of tuned ...
drum dryer
(from the article "dairy product") The simplest and least expensive is the drum, or roller, dryer. It consists of two large steel cylinders that turn toward each other and are heated from the inside by ...
drum gate
(from the article "dam") Drum gates can control the reservoir level upstream to precise levels automatically and without the assistance of mechanical power. One drum gate design consists of a shaped-steel caisson held in ...
drum lens
(from the article "lighthouse") ...the full Fresnel catadioptric system, the basis of all lighthouse lens systems today. To meet the requirement for a fixed all-around light, Fresnel modified his principle by producing a cylindrical ...
drum set
(from the article "percussion instrument") ...by arrangers such as Robert Russell Bennett take optimum advantage of all percussion instruments. Both jazz ensembles, or combos, and experimental music have explored new fields. In the former, the ...
drum table
heavy circular table with a central support, which was introduced in the late 18th century. The deep top, commonly covered with tooled leather, was fitted with bookshelves or drawers, some ...
drum withering
(from the article "tea") ...moisture content of the leaf. Withering in the open air has been replaced by various mechanized systems. In trough withering, air is forced through a thick layer of leaf on ...
drumlin
oval or elongated hill believed to have been formed by the streamlined movement of glacial ice sheets across rock debris, or till. The name is derived from the Gaelic word ... [5 Related Articles]
Drummond Island
(from the article "Silurian Period") ...Upper Peninsula. It was founded as a company town in 1867 because local resources offered an abundance of Silurian dolomite for use in iron smelting. At the opposite end of ...
Drummond, Don
(from the article "ska") ...an instrumental music. Jamaica's independence from British rule in 1962 left the country and ska in a celebratory mood. The music's dominant exponents were a group of leading studio musicians-Don ...
Drummond, Henry
British banker, writer, and member of Parliament who helped found the Catholic Apostolic Church.
Drummond, Lake
(from the article "Great Dismal Swamp") ...of the Elizabeth River, with Albemarle Sound in North Carolina through the Pasquotank River. The canal forms a link in the Atlantic Intracoastal Waterway. In the midst of the swamp ...
Drummond, Thomas
(from the article "limelight") first theatrical spotlight, also a popular term for the incandescent calcium light invented by Thomas Drummond in 1816. Drummond's light, which consisted of a block of calcium heated to incandescence ...
Drummond, William
first notable poet in Scotland to write deliberately in English. He also was the first to use the canzone, a medieval Italian or Provencal metrical form, in English verse.
Drummond, William Henry
Irish-born Canadian writer of humorous dialect poems conveying a sympathetic but sentimentalized picture of the habitants, or French-Canadian farmers.
Drumont, Edouard
(from the article "France") ...the company collapsed, and large numbers of shareholders were stripped of their savings. Demands for a parliamentary investigation proved ineffective until 1892, when a muckraking journalist named Edouard Drumont obtained ...
drumstick
(from the article "percussion instrument") Double-headed drums served to provide rhythmic accompaniment in the Middle Ages, and in the 7th century is found the first evidence of their being played with drumsticks, a technique adopted ...
drunk driving
(from the article "alcohol consumption") ...alcohol, most of them intended to interfere with the availability of beverages at certain times, in certain places, or to certain classes of persons. An example is the tolerance sometimes ...
drunkard's walk
(from the article "random walk") ...(the same at each step) of moving some distance in some direction. Random walks are an example of Markov processes, in which future behaviour is independent of past history. A ...
Druon Antigonus
legendary giant of Antwerp, who cut off the right hands of mariners refusing him tribute. His own right hand was cut off by another legendary giant, called Salvius Brabo, a ...
Druon, Maurice
(from the article "children's literature") ...so multiplied that to single out names is bound to involve some injustice. A few, however, by reason either of the originality of their talent or the scope of their ...
drupe
fruit in which the outer layer of the ovary wall is a thin skin, the middle layer is thick and usually fleshy (though sometimes tough, as in the almond, or ... [3 Related Articles]
druplet
(from the article "angiosperm") ...there is usually only one seed per carpel or locule. Drupes are fleshy fruits and consist of an inner stony or woody endocarp, which adheres to the seed (peaches, plums, ...
Drury Lane Theatre
oldest London theatre still in use. It stands in the eastern part of the City of Westminster. [13 Related Articles]
Drury, Allen Stuart
American journalist and writer whose first and most famous novel, Advise and Consent (1959), won a Pulitzer Prize and became a Broadway play in 1960 and a motion picture in ...
Drury, Sir Robert
(from the article "Donne, John") ...take holy orders in the Church of England, but he felt unworthy and continued to seek secular employment. In 1611-12 he traveled through France and the Low Countries with his ...
druse
(from the article "igneous rock") ...coarser-grained, subhedral to euhedral, and otherwise pegmatitic in texture. Many of these small interior bodies, called miaroles, contain centrally disposed crystal-lined cavities that are known as druses or miarolitic cavities. ...
Drusus Germanicus, Nero Claudius
younger brother of Tiberius (who later became emperor) and commander of the Roman forces that occupied the German territory between the Rhine and Elbe rivers from 12 to 9 BC. [5 Related Articles]
Drusus Julius Caesar
only son of the Roman emperor Tiberius. After the death of Tiberius' nephew and adoptive son Germanicus (AD 19), Drusus became heir to the imperial succession. [1 Related Articles]
Drusus, Marcus Livius
Roman politician, tribune with Gaius Gracchus in 122 BC who undermined Gracchus' program of economic and political reform by proposing reforms that were even more appealing to the populace but ... [1 Related Articles]
Drusus, Marcus Livius
son of the tribune of 122 BC by the same name; as tribune in 91, Drusus made the last nonviolent civilian attempt to reform the government of republican Rome. Drusus ... [2 Related Articles]
Druta, Ion
(from the article "Moldova") ...followed the principles of Socialist Realism; later they and younger writers diversified their techniques and subject matter. Perhaps the most outstanding modern writer is the dramatist and novelist Ion Druta. ...
Druze
relatively small Middle Eastern religious sect characterized by an eclectic system of doctrines and by a cohesion and loyalty among its members (at times politically significant) that have enabled them ... [20 Related Articles]