(from the article "music and dance, Oceanic") the music and dance traditions of the indigenous people of Oceania, in particular of Melanesia, Micronesia, Polynesia, New Zealand, and Australia. Music and dance in Polynesia and Micronesia are audible ...
(from the article "Atlantic Ocean") Among purely oceanic islands (i.e., those without any foundation of continental rock, usually formed as the result of volcanic action) are Iceland, the Azores, Ascension, St. Helena, Tristan da Cunha, ...
widespread, highly varied, and controversial language group of the Austronesian language family. Spoken on the islands of Oceania from New Guinea to Hawaii to Easter Island, certain of these languages ... [1 Related Articles]
the traditional oral and written literatures of the indigenous people of Oceania, in particular of Melanesia, Polynesia, Micronesia, and Australia. While this article addresses the influence of Western literary forms, ... [1 Related Articles]
(from the article "Australia") The map of the structural features of Australia and the surrounding region shows the distribution of the main tectonic units. The primary distinction is between the plates of oceanic lithosphere, ...
(from the article "Stone Age") The long-term history of the Oceanic peoples, especially the Polynesians, has been the subject of many theories. Scholars reject ideas involving a lost continent (e.g., Lemuria, Mu) or direct relations ...
(from the article "metamorphic rock") In areas of collision between oceanicand continentallithospheric plates such as the circum-Pacific region, the denser oceanic plate is subducted (carried into the Earth's mantle) beneath the more buoyant continental lithosphere. ...
large submarine elevation rising sharply at least 200 m (660 feet) above the surrounding deep-sea floor and characterized principally by an extensive, relatively flat or gently tilted summit. Most oceanic ... [2 Related Articles]
(from the article "marine ecosystem") ...and a bottom, or benthic, environment (Figure 1). Within the pelagic environment the waters are divided into the neritic province, which includes the water above the continental shelf, and the ...
(from the article "biogeographic region") This region (Figure 2) is poorly defined. It contains some localized endemics, notably the bird family Rhynochetidae (kagu) in New Caledonia. Much of the fauna, especially birds, is of demonstrable ...
(from the article "shamanism") Shamanism is prevalent in the Malay Peninsula and in Oceania. Among the peoples of the Malay Peninsula, the shaman heals with the help of celestial spirits or by using crystals ...
continuous submarine mountain chain extending approximately 80,000 km (50,000 miles) through all the world's oceans. Ridges separate the oceans into distinct basins and may or may not be seismically active. [11 Related Articles]
(from the article "ocean") Coral reefs are masses of carbonate of lime built up from the seafloor by the accumulation of the skeletons of a profusion of animals and algae; eventually they rise to ...
an elongate depression in the seafloor that is characteristically shallower, shorter, narrower, and topographically gentler than oceanic trenches. Maximal depths of oceanic troughs range between 2,300 m (7,500 feet) in ...
(from the article "nymph") ...They were not immortal but were extremely long-lived and were on the whole kindly disposed toward men. They were distinguished according to the sphere of nature with which they were ...
(from the article "migration") Oceanodromous fish, which occur widely throughout the world's oceans, live and migrate wholly in the sea. They differ mainly from one another by the method and extent of their migration.
(from the article "map") ...for domestic mapping tasks. Only when World War II brought requirements for the mapping of many foreign areas did the U.S. military become involved on a large scale, with the ...
scientific discipline concerned with all aspects of the world's oceans and seas, including their physical and chemical properties, their origin and geologic framework, and the life forms that inhabit the ... [18 Related Articles]
city, San Diego county, southern California, U.S. Situated about 35 miles (55 km) north of San Diego, Oceanside lies along the Pacific coast, at the mouth of the San Luis ...
in Greek mythology, the river that flowed around the Earth (conceived as flat), for example, in the shield of Achilles described in Homer's Iliad, Book XVIII. Beyond ... [1 Related Articles]
(from the article "social behaviour in animals") ...may occur whether or not there is social behaviour in the usual sense. Among several species of birds that follow swarms of army ants in Panama to catch insects flushed ...
(from the article "turkey") ...turkey (Meleagris gallopavo), a native game bird of North America but widely domesticated for the table. The other species is Agriocharis (or Meleagris) ocellata, the ocellated turkey. For unrelated but ...
(from the article "cnidarian") ...the transmission of nerve impulses. Statocysts, located between the tentacles or near the tentacular base, inform the animal of its orientation with respect to gravitational forces. Light-sensitive ocelli (external patches ...
spotted cat of the New World, found in lowland areas from Texas southward to northern Argentina. The short, smooth fur is patterned with elongated, black-edged spots that are arranged in ... [1 Related Articles]
Protestant convert from Roman Catholicism who became an itinerant Reformer and influenced other radical Reformers by his controversial anti-Catholic views.
a family of the order Malpighiales, comprising 27 genera and some 495 species of tropical trees and shrubs, with a few genera of herbs. Many species are native to Brazil. ... [1 Related Articles]
town and Caribbean port on the north coast of Jamaica, northwest of Kingston. The Spanish name means "eight rivers," in reference to the number of rivers in the area. The ...
Golfer Lorena Ochoa, already recognized as one of Mexico's all-time sports stars, carried the hopes of a nation on her shoulders with ease, and in 2007 she took over from ... [2 Related Articles]
biochemist and molecular biologist who received (with the American biochemist Arthur Kornberg) the 1959 Nobel Prize for Physiology or Medicine for discovery of an enzyme in bacteria that enabled him ... [2 Related Articles]
(from the article "Permian Period") ...of Petroleum Geologists in 1939 established North American standard reference sections for the Permian consisting of four series-namely, the Wolfcampian, Leonardian, Guadalupian, and Ochoan-on the basis of the succession in ...
(from the article "pika") ...O. collaris) of Alaska and northern Canada has been found on the isolated nunataks (crags or peaks surrounded by glaciers) in Kluane National Park, and O. macrotis ...
(from the article "pika") ...term pika comes from the vernacular piika of the Tunguses, a tribe from northeastern Siberia. Ochotona is the sole living genus of the family Ochotonidae, and its ...
(from the article "art and architecture, Oceanic") Paint and painting were thought to animate sculpture-often literally, in religiosymbolic terms, as paint was considered to have magical, vivifying powers. Paints were generally ochres, with some vegetable-derived pigments. Water ...
(from the article "algae") ...silica cysts (statospores); predominantly freshwater; approximately 1,200 species; Chrysamoeba, Chrysocapsa, and Ochromonas.Predominantly marine flagellates, including silicoflagellates that form skeletons common ...
(from the article "connective tissue disease") ...and oxidation, it imparts a black colour. The remainder is deposited in cartilage and, to a lesser degree, in the skin and sclerae. The resultant darkening of these tissues by ...
(from the article "joint disease") Ochronotic arthropathy results from another, rarer inborn error of metabolism. It is characterized by pigmentation and degeneration of hyaline cartilage and by defective breakdown of the amino acids tyrosine and ...
American newspaper publisher under whose ownership (from 1896) The New York Times became one of the world's outstanding newspapers. Despising "yellow [sensational] journalism," he emphasized comprehensive and ... [1 Related Articles]
Swiss politician and military leader who headed the confederation government during the Sonderbund War (1847) and presided over the constitutional reform committee of 1848.
(from the article "Meissner effect") ...temperature, called the transition temperature, usually close to absolute zero. The Meissner effect, a property of all superconductors, was discovered by the German physicists W. Meissner and R. Ochsenfeld in ...
(from the article "Lamiaceae") Of the 150 tropical species of Ocimum, one sacred to Hindus is basil, or tulsi (Ocimum basilicum); this plant is native in Africa and Asia but is cultivated as a ...
composer of sacred and secular music, one of the great masters of the Franco-Flemish style that dominated European music of the Renaissance. [6 Related Articles]
(from the article "Australia") ...agency charged with helping the film industry create commercial films for audiences at home and abroad. The success of Stork (1971) gave birth to a rash of ...
principle stated by William of Ockham (1285-1347/49), a scholastic, that Pluralitas non est ponenda sine necessitate; "Plurality should not be posited without necessity." The principle gives precedence to simplicity; of ... [3 Related Articles]
Franciscan philosopher, theologian, and political writer, a late scholastic thinker regarded as the founder of a form of nominalism-the school of thought that denies that universal concepts such as "father" ... [16 Related Articles]
British theatre director best known for his deft touch with comedies and musicals, notably the 1985 smash hit revival of the 1937 musical Me and My Girl and Crazy for ...
(from the article "library") A number of important organizations facilitating library cooperation have been established to store and retrieve catalog records. In the United States, a library cooperative in Ohio grew into the OCLC ...
Ghanaian entrepreneur (b. April 18, 1919, Peki-Dzake, Gold Coast (now in Ghana)-d. Feb. 8, 2002, Accra, Ghana), as cofounder (1979) and head of Women's World Banking, pioneered the practice of ...
river rising in the Blue Ridge Mountains, 9 mi (14 km) southeast of Blue Ridge city, Ga., U.S., and flowing northwest through Fannin County into Tennessee, past Copperhill, through Polk ...
county, extreme northwestern South Carolina, U.S. It is bordered by North Carolina to the north and Georgia to the west. Its most northerly portion lies within the rugged Blue Ridge ...
city, seat (1854) of Oconto county, northeastern Wisconsin, U.S. It lies on the western shore of Green Bay, at the mouth of the Oconto River, about 30 miles (50 km) ...
(from the article "pre-Columbian civilizations") ...of early village cultures. The Barra phase appears to have been transitional from earlier preagricultural phases and may not have been primarily dependent upon corn farming; but people of the ...
city, northwestern Nicaragua. It lies on a sandy plain near the Cordillera Entre Rios and the Coco River, at an elevation of 1,987 feet (606 m). Ocotal serves as a ...
(from the article "Laurales") ...Lauraceae is distributed throughout tropical and subtropical regions; principally Southeast Asia and tropical America, particularly Brazil. Some 66 percent of the species occur in only 6 genera: Ocotea has about ...
(from the article "Laurales") ...such as boats and wharf pilings. Bebeerine, a highly poisonous alkaloid produced as a secondary compound, has been extracted from several species of Ocotea, as well as from greenheart. Ocotea ...
(Fouquieria splendens) flowering spiny shrub characteristic of rocky deserts from western Texas to southern California and southward into Mexico. It is a member of the candlewood family ... [1 Related Articles]
city, east-central Jalisco estado (state), west-central Mexico. It lies near the northeastern shore of Lake Chapala, at the confluence of the Zula (or Atotonilco) and Santiago rivers, ...
(from the article "Cape Hatteras National Seashore") scenic coastal area situated on Bodie, Hatteras, and Ocracoke islands along the Outer Banks, eastern North Carolina, U.S. The park, the country's first national seashore, was authorized in 1937 and ...
(from the article "organometallic compound") Many other metal carbonyls contain two or more metal atoms, such as decacarbonyldimanganese and octacarbonyldicobalt, shown here.
(from the article "calendar") The main use of cycles was to try to find some commensurable basis for lunar and solar calendars, and the best known of all the early attempts was the octaeteris, ...
(from the article "Thornton, William") ...though Benjamin H. Latrobe completely redesigned the interiors. From 1794 to 1802 Thornton was a commissioner of the city of Washington. He designed several residences in the city, including the ...
(from the article "chemical bonding") ...is predicted and found to be a trigonal bipyramid. The XeF4 (xenon tetrafluoride) molecule is hypervalent with six electron pairs around the central xenon (Xe) atom. These pairs adopt an ...
(from the article "iron meteorite") ...according to their crystal structure, which can be revealed through etching a polished cross section of the meteorite with dilute acid. There are three groups grading into one another: hexahedrites, ...
(from the article "IUPAC names of unbranched alkanes") ...they can also be prepared commercially by the catalytic dehydrogenation (elimination of hydrogen atoms from the molecule) of butanes. The major part of the butenes is utilized for the production ...
measure of the ability of a fuel to resist knocking when ignited in a mixture with air in the cylinder of an internal-combustion engine. The octane number is determined by ... [2 Related Articles]
(from the article "navigation") ...was made in 1594 by the English navigator John Davis. His instrument, called the backstaff because it was used with the observer's back to the Sun, remained common even after ...
(from the article "Ercilla y Zuniga, Alonso de") ...in 1578, when it was published with the first part; the third part was published with the first and second parts in 1589. The poem shows Ercilla to be a ...
in music, an interval whose higher note has a sound-wave frequency of vibration twice that of its lower note. Thus the international standard pitch A above middle C vibrates at ... [8 Related Articles]
in early Greek music theory, any of the various arrangements of tones (T) and semitones (S) within an octave (series of eight consecutive notes) in the scale system. The basic ... [1 Related Articles]
in chemistry, the generalization made by the English chemist J.A.R. Newlands in 1865 that, if the chemical elements are arranged according to increasing atomic weight, those with similar physical and ... [2 Related Articles]
(from the article "Julius Caesar") ...ides of March." His friend Mark Antony, who has expediently shaken the bloodied hands of the conspirators, gives a stirring funeral oration that inspires the crowd to turn against them. ...
(from the article "Gracchus, Tiberius Sempronius") ...authority could be expected to deflate opposition while hordes of peasants flocked to Rome to use their votes. When, after lengthy public debate, the bill was presented to the voters, ...
in chemistry, the eight-electron arrangement in the outer electron shell of the noble-gas atoms. This structure is held responsible for the relative inertness of the noble gases and the chemical ... [1 Related Articles]
(from the article "chemical bonding") In summary, Lewis' ideas are expressed by his celebrated octet rule, which states that electron transfer or electron sharing proceeds until an atom has acquired an octet of electrons (i.e., ...
10th month of the Gregorian calendar. Its name is derived from octo, Latin for "eight," an indication of its position in the early Roman calendar. [1 Related Articles]
(from the article "Austria") ...provinces. The emperor sided with the federalists, who persuaded him to accept their position mainly with historical and not ethnic arguments, and he proclaimed by decree a constitution called the ...
(Oct. 30 [Oct. 17, Old Style], 1905), in Russian history, document issued by the emperor Nicholas II that in effect marked the end of unlimited autocracy in Russia and ushered ... [5 Related Articles]
(from the article "October Revolution") (Oct. 24-25 [Nov. 6-7, New Style], 1917), the second and last major phase of the Russian Revolution of 1917, in which the Bolshevik Party seized power in Russia, inaugurating the ...
(from the article "Franco, Francisco") ...his temporary demotion with perfect discipline. When conservative forces gained control of the republic in 1933, Franco was restored to active command; in 1934 he was promoted to major general. ...
member of a conservative-liberal Russian political party whose program of moderate constitutionalism called for the fulfillment of the emperor Nicholas II's October Manifesto. Founded in November 1905, the party was ... [2 Related Articles]
(from the article "Cucurbitales") Tetramelaceae includes two genera (Tetrameles and Octomeles) of Indo-Malesian (see Malesian subkingdom) trees, each with one species. Male and female flowers occur on different trees and are borne in pendulous ...
(from the article "Tetramelaceae") small family of the squash order (Cucurbitales) of flowering plants containing two genera, each with one species. Octomeles sumatrana is among the tallest trees in the forests of Malesia. Tetrameles ...
(from the article "cephalopod") ...the male deposits spermatophores in the female, either within the mantle cavity or on a pad below the mouth, by means of a specially modified arm, the hectocotylus. The hectocotylized ...
in general, any eight-armed cephalopod (octopod) mollusk of the order Octopoda; the true octopuses are members of the genus Octopus, a large group of widely distributed, shallow-water cephalopods. (See cephalopod.) [11 Related Articles]
(from the article "coloration") Adenochrome is a nonproteinaceous pigment that occurs as garnet-red inclusions at high concentrations in the glandular, branchial heart tissues of Octopus bimaculatus. The compound contains small amounts of ferric iron ...
(from the article "cephalopod") ...stage of Scaeurgus may greatly prolong its juvenile life until a favourable bottom substrate is found. In octopods with large eggs (e.g.,Octopus briareus) ...
(from the article "cephalopod") ...The average octopus usually has arms no longer than 30 centimetres (12 inches) and rarely longer than a metre (39 inches). But arm spans of up to nine metres (30 ...
(from the article "cephalopod") Little is known about the life span of cephalopods. Studies have shown that in Octopus joubini raised from the egg in aquariums, sexual maturity and spawning were reached in five ...
tax levied by a local political unit, normally the commune or municipal authority, on certain categories of goods as they enter the area. The tax was first instituted in Italy ...
(from the article "multiple birth") ...at one time. Because they are often born premature, multiple order babies are at greater risk of infant death and chronic health problems than those who are singletons. The first ...
(from the article "eye, human") Retinal rivalry may be viewed as the competition of the retinal fields for attention; such a notion leads to the concept of ocular dominance-the condition when one retinal image habitually ...
(from the article "muscle disease") There are a number of other muscular dystrophies, each characterized by an individual pattern of muscle weakness and inheritance. Ocular muscular dystrophy, or myopathy, predominantly affects muscles moving the eyes. ...
Ugandan novelist, poet, and chronicler of African rural village life. His writing is filled with authentic snatches of conversation, proverbs, and folk wisdom that confirm African values and denounce European ...
(from the article "nervous system, human") The oculomotor nerve arises from two nuclei in the rostral midbrain. These are (1) the oculomotor nucleus, the source of general somatic efferent fibres to superior, medial, and inferior recti ...
(from the article "nervous system, human") The oculomotor nerve arises from two nuclei in the rostral midbrain. These are (1) the oculomotor nucleus, the source of general somatic efferent fibres to superior, medial, and inferior recti ...
(from the article "muscle disease") ...of other muscular dystrophies, each characterized by an individual pattern of muscle weakness and inheritance. Ocular muscular dystrophy, or myopathy, predominantly affects muscles moving the eyes. Oculopharyngeal muscular dystrophy affects ...
(Latin: "eye"), in architecture, any of several structural elements resembling an eye. A small window that is circular or oval in shape, such as an oeil-de-boeuf window (q.v.), is an ...
(from the article "ghost crab") O. ceratophthalmus, found on beaches of the Indian and Pacific oceans, uses its claws to catch flies from the undersides of leaves. The male of O. saratan, of the Red ...