| | - magnetohydrodynamic wave
- (from the article "ionosphere and magnetosphere") ...the magnitude and the direction of Earth's magnetic field vary erratically, occurs between 10 and 13 Earth radii toward the Sun. This disturbed region is thought to be caused by ...
- magnetohydrodynamics
- the description of the behaviour of a plasma (q.v.), or, in general, any electrically conducting fluid in the presence of electric and magnetic fields. [4 Related Articles]
- magnetometer
- instrument for measuring the strength and sometimes the direction of magnetic fields, including those on or near the Earth and in space. Magnetometers are also used to calibrate electromagnets and ... [4 Related Articles]
- magnetomotive force
- (from the article "magnetic circuit") The magnetic flux is analogous to the electric current. The magnetomotive force, mmf, is analogous to the electromotive force and may be considered the factor that sets up the flux. ...
- magneton
- unit of magnetic moment (the product of a magnet's pole strength and the distance between its poles) used in the study of subatomic particles. The Bohr magneton, named for the ...
- magnetopause
- (from the article "ionosphere and magnetosphere") ...escaping from Earth's gravity is comparable to the opposing pressure associated with the solar wind. This equilibrium region, with a characteristic thickness of 100 km (60 miles), is called the ...
- magnetophone
- (from the article "magnetic recording") Magnetic tape was initially designed for sound recording. German engineers developed an audio tape recording machine called the magnetophone during World War II. U.S. and British researchers adopted the basic ...
- magnetoreception
- (from the article "cetacean") Much interest has been shown in various animals' ability to sense the Earth's magnetic field. It has been demonstrated that birds and fish use magnetoreception in migration, and theories to ...
- magnetoresistance
- (from the article "Nobel Prizes") The fact that the resistance of an electrical conductor can be altered by an external magnetic field, a phenomenon called magnetoresistance, was observed in 1857 by English physicist William Thomson ...
- magnetosheath
- (from the article "ionosphere and magnetosphere") The magnetosheath, a region of magnetic turbulence in which both the magnitude and the direction of Earth's magnetic field vary erratically, occurs between 10 and 13 Earth radii toward the ...
- magnetosonic wave
- (from the article "plasma") ...propagates parallel to the magnetic field at a speed roughly equal to the average thermal velocity of the ions. Perpendicular to the magnetic field a different type of longitudinal wave ...
- magnetosphere
- region in the atmosphere where magnetic phenomena and the high atmospheric conductivity caused by ionization are important in determining the behaviour of charged particles. [16 Related Articles]
- magnetospheric convection
- (from the article "geomagnetic field") ...earthward. The field lines cannot return along the same path. Instead, they return through the interior of the Earth's field. The motion of these closed field lines in two closed ...
- magnetospheric substorm
- (from the article "geomagnetic field") Magnetospheric substorm is the name applied to the collection of processes that occur throughout the magnetosphere at the time of an auroral and magnetic disturbance. The term substorm was originally ...
- magnetostatic field
- (from the article "magnetic field") Around a permanent magnet or a wire carrying a steady electric current in one direction, the magnetic field is stationary and referred to as a magnetostatic field. At any given ...
- magnetostatics
- (from the article "electromagnetism") ...electricity as a mathematical science during the latter half of the 18th century. He transformed Priestley's descriptive observations into the basic quantitative laws of electrostatics and magnetostatics. He also developed ...
- magnetostriction
- change in the dimensions of a ferromagnetic material, such as iron or nickel, produced by a change in the direction and extent of its magnetization. An iron rod placed in ...
- magnetostrictive transducer
- (from the article "ultrasonics") ...including drying, ultrasonic cleaning, and injection of fuel oil into burners. Electromechanical transducers are far more versatile and include piezoelectric and magnetostrictive devices. A magnetostrictive transducer makes use of a ...
- magnetotail current
- (from the article "geomagnetic field") Radially outward near local midnight rather than at local noon, there is an entirely different current system. Beginning at approximately 10 Re and extending well beyond 200 Re is the ...
- magnetotelluric method
- (from the article "Earth exploration") ...lightning strikes) and bombardment of the upper atmosphere by the solar wind-a radial flow of protons, electrons, and nuclei of heavier elements emanating from the outer region of the Sun. ...
- magnetron
- diode vacuum tube consisting of a cylindrical (straight wire) cathode and a coaxial anode, between which a dc (direct current) potential creates an electric field. A magnetic field is applied ... [7 Related Articles]
- Magnificat
- in Christianity, the hymn of praise by Mary, the mother of Jesus, found in Luke 1:46-55 and incorporated into the liturgical services of the Western churches (at vespers) and of ... [3 Related Articles]
- magnification
- in optics, the size of an image relative to the size of the object creating it. Linear (sometimes called lateral or transverse) magnification refers to the ratio of image length ... [4 Related Articles]
- magnificent frigate bird
- (from the article "frigate bird") The largest species (to about 115 cm [45 inches]) is the magnificent frigate bird, Fregata magnificens, found on both coasts of America, the Caribbean Sea, and Cape Verde. The great ...
- Magnificent Magyars
- (from the article "football (soccer)") ...States at the World Cup finals in Brazil. Most devastating were later, crushing losses to Hungary: 6-3 in 1953 at London's Wembley Stadium, then 7-1 in Budapest a year later. ...
- magnifier
- (from the article "microscope") A magnifier permits the user to place the eye close to an object of interest and retain a focused image. The closer the object is to the eye, the larger ...
- magnifying power
- (from the article "microscope") The magnifying power, or extent to which the object being viewed appears enlarged, and the field of view, or size of the object that can be viewed, are related by ...
- Magnitogorsk
- city, Chelyabinsk oblast (province), western Russia, on both banks of the Ural River. It was founded in 1929 to exploit the rich magnetite iron ore of Mt. Magnitnaya, just east ... [1 Related Articles]
- magnitude
- in astronomy, measure of the brightness of a star or other celestial body. The brighter the object, the lower the number assigned as a magnitude. In ancient times, stars were ... [3 Related Articles]
- magnitude
- (from the article "mathematics") ...significant conceptually, he set aside Viete's principle of homogeneity, showing by means of a simple construction how to represent multiplication and division of lines by lines; thus, all magnitudes (lines, ...
- magnitude-frequency analysis
- (from the article "river") ...streams, in contrast to the long durations of flood waves far downstream, combine with analytical studies to suggest, however, that percentage frequency is in some respects an unsuitable measure. Magnitude-frequency ...
- magnocellular layer
- (from the article "photoreception") The LGN in humans contain six layers of cells. Two of these layers contain large cells (the magnocellular [M] layers), and the remaining four layers contain small cells (the parvocellular ...
- Magnolia
- city, seat (1853) of Columbia county, southwestern Arkansas, U.S. It is on the West Gulf Coastal Plain between Texarkana and El Dorado, about 80 miles (129 km) northeast of Shreveport, ...
- magnolia
- any member of the genus Magnolia (family Magnoliaceae; order Magnoliales), about 225 species of trees and shrubs native to North and South America, the Himalayas, and East Asia. They are ... [3 Related Articles]
- Magnolia ashei
- (from the article "Magnoliales") ...Magnolia grandiflora (bull bay, or Southern magnolia), for example, grows in forests from southern Virginia to eastern Texas and extends into the West Indies. Another American species, M. ashei, however, ...
- Magnolia compressa
- (from the article "champac") ...its long stalk. Champac wood takes a good polish and is used for making boats, drums, and religious images. In India, however, where it is revered, the tree is rarely ...
- Magnolia Flag
- (from the article "Mississippi, flag of") ...of Secession prior to joining the Confederate States of America. The blue-and-white flag became known throughout the South as the Bonnie Blue Flag. On January 26, 1861, Mississippi adopted the ...
- Magnolia Manor
- (from the article "Cairo") ...manufacture of polyurethane foam and pet products. Notable attractions include the Custom House (1872), which is now a local museum, and the mansions along "Millionaire's Row," including Magnolia Manor (1869), ...
- magnolia vine
- (from the article "Illiciales") ...and female flowers that are often found on separate plants. The fruits in this family produce one to five seeds each. A few species are occasionally cultivated as ornamentals-for example, ...
- Magnoliaceae
- magnolia family of the order Magnoliales that contains 7 genera and 227 species, including many handsome, fragrant-flowering trees and shrubs. Most have simple leaves and an elongated conelike floral axis ... [3 Related Articles]
- Magnoliales
- the magnolia order of flowering plants, consisting of 5 families, 154 genera, and about 3,000 species. Members of Magnoliales include woody shrubs, climbers, and trees. Along with the orders Laurales, ... [1 Related Articles]
- Magnoliidae
- subclass of woody or herbaceous flowering plants belonging to the class Magnoliopsida.
- magnon
- small quantity of energy corresponding to a specific decrease in magnetic strength that travels as a unit through a magnetic substance.
- Magnum Concilium
- (from the article "Parliament") ...generally desired the knights' assent to new taxation, not their advice. Later in the 13th century, King Edward I (1272-1307) called joint meetings of two governmental institutions: the Magnum Concilium, ...
- Magnum Photos
- (from the article "Art and Art Exhibitions") Magnum Photos, the agency established by Robert Capa, George Rodger, David Seymour, and Henri Cartier-Bresson, celebrated its 60th anniversary. The innovative photographers' cooperative allowed its members to retain ownership of ...
- Magnum XL-200
- (from the article "roller coaster") ...ride by the Dutch firm Vekoma, designed to run both forward and backward, became a frequent addition to amusement parks. One of the most popular roller coasters of the late ...
- Magnus effect
- generation of a sidewise force on a spinning cylindrical or spherical solid immersed in a fluid (liquid or gas) when there is relative motion between the spinning body and the ... [1 Related Articles]
- Magnus I
- king of Sweden (1275-90) who helped introduce a feudal class society into Sweden. [1 Related Articles]
- Magnus I Olafsson
- Norwegian ruler, king of Norway (1035-47) and Denmark (1042-47), who wrested hegemony in the two Scandinavian nations from descendants of Canute the Great (d. 1035), king of Denmark and England. [4 Related Articles]
- Magnus II Eriksson
- king of Sweden (1319-63) and of Norway (1319-55, as Magnus VII) who devoted himself to defending his Swedish sovereignty against rebellious nobles aided by various foreign leaders, most notably Valdemar ... [4 Related Articles]
- Magnus II Haraldsson
- joint king of Norway with his brother Olaf III Haraldsson, from 1066 until 1069. He was a son of Harald III Haraldsson. [1 Related Articles]
- Magnus III
- king of Norway (1093-1103), warrior who consolidated Norwegian rule in the Orkney and Hebrides islands and on the Isle of Man (all now part of the United Kingdom). He was ... [3 Related Articles]
- Magnus IV
- joint ruler of Norway (1130-35), with Harald IV, whose abortive attempt (1137-39) to wrest sovereignty from Inge I Haroldsson and Sigurd II, sons of Harald IV, ended the first epoch ... [1 Related Articles]
- Magnus V Erlingsson
- king of Norway (1162-84) who used church support to gain the throne (1162) and become the nation's first crowned monarch (1163). After 1177 his rule was challenged by his rival ... [2 Related Articles]
- Magnus VI
- king of Norway (1263-80) who transformed the nation's legal system by introducing new national, municipal, and ecclesiastical codes, which also served as a model for many of the Norwegian colonies. ... [2 Related Articles]
- Magnus, H. G.
- (from the article "Magnus effect") ...on a spinning cylindrical or spherical solid immersed in a fluid (liquid or gas) when there is relative motion between the spinning body and the fluid. Named after the German ...
- Magnus, Johannes
- Roman Catholic archbishop and historian, one of the most distinguished scholars of his time, who was exiled as a consequence of the Reformation. [1 Related Articles]
- Magnus, Olaus
- Swedish ecclesiastic and author of an influential history of Scandinavia. [1 Related Articles]
- Magnusson, Arni
- Scandinavian antiquarian and philologist who built up the most important collection of early Icelandic literary manuscripts.
- Magnusson, Jon
- Icelandic parson and author of the Pislarsaga ("Passion Story"), one of the strangest documents of cultural and psychic delusion in all literature.
- Magnusson, Magnus
- Icelandic-born author and British television personality despite a long and distinguished scholarly career, was best known for his 25-year stint (1972-97) as the tough but fair host of the ...
- Mago
- (from the article "North Africa") ...Oea (Tripoli) became wealthy through trans-Saharan trade; Leptis Magna was the terminus of the shortest route across the Sahara linking the Mediterranean with the Niger River. A Carthaginian named Mago ...
- Mago
- a leading Carthaginian general during the Second Punic War (218-201 BC) against Rome. He was the youngest of the three sons of the Carthaginian statesman and general Hamilcar Barca. [1 Related Articles]
- Magog
- city, Estrie region, southern Quebec province, Canada, lying along the Magog River, near the foot of Lake Memphremagog, 20 miles (32 km) north of the border with Vermont, U.S. The ...
- Magog
- (from the article "Gog and Magog") in the Hebrew Bible, the prophesied invader of Israel and the land from which he comes, respectively; or, in the Christian Scriptures (New Testament), evil forces opposed to the people ...
- magokoro
- (from the article "Shinto") As the basic attitude toward life, Shinto emphasizes makoto no kokoro ("heart of truth"), or magokoro ("true heart"), which is usually translated as "sincerity, pure heart, uprightness." This attitude follows ...
- Magonid
- (from the article "North Africa") ...prevailed in Phoenicia until Hellenistic times, and Greek and Roman sources refer to kingship at Carthage. It appears to have been not hereditary but elective, though in practice one family, ...
- Magoon, Charles
- (from the article "Cuba") ...to rebellion and a second U.S. occupation in September 1906. U.S. secretary of war William Howard Taft failed to resolve the dispute, and Estrada Palma resigned. The U.S. government then ...
- Magosian industry
- stone-tool technology in which an advanced Levallois technique was employed for the production of flakes for the manufacture of other tools, together with a punch technique for the production of ...
- magpie
- any of several long-tailed birds belonging to the family Corvidae (order Passeriformes). The best-known species, often called the black-billed magpie (Pica pica), is a 45-centimetre (18-inch) black-and-white (i.e., pied) bird, ... [1 Related Articles]
- magpie goose
- large unusual waterfowl of Australia and Papua New Guinea. Although classified by many ornithologists as the sole member of the subfamily Anseranatinae in family Anatidae (ducks, geese, and swans), it ... [2 Related Articles]
- magpie-robin
- any of eight species of chat-thrushes, belonging to the family Turdidae (order Passeriformes), found in southern Asia. They are 18 to 28 cm (7 to 11 inches) long, with pied ...
- Magris, Claudio
- (from the article "Literature") The year also offered some surprises, such as Claudio Magris's Alla cieca. The story begins as 80-year-old Salvatore Cippico (a survivor of both a Nazi concentration camp and the Soviet ...
- Magritte, Rene
- Belgian artist, one of the most prominent Surrealist painters whose bizarre flights of fancy blended horror, peril, comedy, and mystery. His works were characterized by particular symbols-the female torso, the ... [1 Related Articles]
- Magruder, Jeb Stuart
- (from the article "Watergate Scandal") ...defendants had been pressured by the White House to plead guilty and remain silent. And, according to McCord, witnesses had perjured themselves during the trial. Before the reconvened grand jury, ...
- Magsaysay, Ramon
- president of the Philippines (1953-57), best known for successfully defeating the communist-led Hukbalahap (Huk) movement. [5 Related Articles]
- maguey
- fibre obtained from the leaf of the plant Agave lurida, a member of the Agavaceae family and native to Mexico. It is shorter and stiffer than henequen, with physical properties ... [1 Related Articles]
- maguey, gusanos de
- (from the article "lepidopteran") ...libeon) are collected in large quantities in the Congo, and the 10-cm (4-inch) caterpillars of giant skippers (family Megathymidae), known in Mexico as gusanos de maguey, are ...
- Maguire, Gregory
- With the publication of his 25th book, What-the-Dickens: The Story of a Rogue Tooth Fairy, in 2007, writer Gregory Maguire continued his highly imaginative exploration of fairy tale and fantasy ...
- Maguire, Stephen
- (from the article "Billiard Games") ...the world championship at the Crucible Theatre in Sheffield, Eng., and reclaimed his place atop the world rankings. He also won the Totesport Grand Prix in Preston, Eng., but in ...
- magupat
- (from the article "Iran, ancient") ...organization was set up in which every local district of any importance had its own mobed ("priest"; originally magupat, "chief priest"). At their head ...
- Magura National Park
- (from the article "Podkarpackie") ...draw for tourists. The mountainous, heavily forested Bieszczady National Park is much visited by outdoor enthusiasts; it also provides habitat for lynx, wildcats, wolves, bison, and Carpathian deer. Magura National ...
- magus
- member of an ancient Persian clan specializing in cultic activities. The name is the Latinized form of magoi (e.g., in Herodotus 1:101), the ancient Greek transliteration of the Iranian original. ... [8 Related Articles]
- Maguzawa
- (from the article "Hausa") ...of Islamic influence, which spread during the latter part of the 14th century from the kingdom of Mali, profoundly influencing Hausa belief and customs. A small minority of Hausa, known ...
- Magwe
- town, west-central Myanmar (Burma). The town is on the Irrawaddy River opposite Minbu. It is the site of Magwe College, affiliated to the Arts and Science University at Mandalay, and ...
- Magyarization
- (from the article "Hungary") ...language, as were business and social life above the lowest levels. The proportion of the population with Hungarian as its mother tongue rose from 46.6 percent in 1880 to 51.4 ...
- mah-jongg
- game of Chinese origin, played with tiles, or pais, that are similar in physical description to those used in dominoes but engraved with Chinese symbols and characters ... [1 Related Articles]
- Maha Bodhi Society
- an organization that was established to encourage Buddhist studies in India and abroad. The society was founded in Ceylon (now Sri Lanka) in 1891 by Anagarika Dharmapala; one of its ... [2 Related Articles]
- Maha Kumbh Mela
- Millions of pilgrims, many of whom had traveled for days to participate in the Maha Kumbh Mela-"Great Pitcher Festival"-walked to the various camps set up on the sandy plains along ...
- Maha Maya
- the mother of Gautama Buddha; she was the wife of Raja Shuddhodana. [3 Related Articles]
- Maha Moggallana
- (from the article "Buddhism") From early in the history of Buddhism, the Buddha was recognized as a fully perfected yogi who possessed great religious insight and miraculous powers. Among the Buddha's disciples, Maha Moggallana ...
- Maha Sarakham
- town, northeastern Thailand. Maha Sarakham is located at a road junction on a bend of the Chi River. Rice is widely grown in the surrounding region, particularly in shallow river ...
- Maha Sila Viravong
- (from the article "Lao literature") ...well as social commentary that attacked the government as corrupt and that bemoaned a perceived decline in Lao social values. Major writers in Vientiane during this period include three children ...
- Maha Thammaracha
- (from the article "Naresuan") In 1569 the Myanmar king Bayinnaung (reigned 1551-81) conquered Siam and placed Naresuan's father, Maha Thammaracha, on the throne as his vassal. The capital, Ayutthaya, was pillaged, thousands of Siamese ...
- maha-ksatrapa
- (from the article "India") ...and widely used by these dynasties. Its Sanskrit form was kshatrapa. The governors of higher status came to be called maha-kshatrapa; they frequently issued ...
- Maha-sivaratri
- (Sanskrit: "Great Night of Siva"), the most important sectarian festival of the year for devotees of the Hindu god Siva. The 14th day of the dark half of each lunar ...
- Mahabad
- city, northwestern Iran. The city lies south of Lake Urmia in a fertile, narrow valley at an elevation of 4,272 feet (1,302 metres). There are a number of unexcavated tells, ...
- Mahabaleshwar
- resort town, southwestern Maharashtra state, western India. It lies about 40 miles (64 km) southeast of Bombay and northwest of the town of Satara at an elevation of 4,718 feet ... [1 Related Articles]
- Mahabalipuram
- historic town, northeast Tamil Nadu state, southeastern India. The town lies along the Bay of Bengal 37 miles (60 km) south of Madras. The town's religious centre was founded by ... [2 Related Articles]
- Mahabat Khan
- (from the article "India") ...and her relatives and associates. The queen's alleged efforts to secure the prince of her choice as successor to the ailing emperor resulted in the rebellion of Prince Khurram in ...
- Mahabat Khan Mosque
- (from the article "Peshawar") ...of Nowshera; Gor Khatri, once a Buddhist monastery and later a sacred Hindu temple, which stands on an eminence in the east and affords a panoramic view of the entire ...
|
|
