| | - additive colour film
- (from the article "photography, technology of") These are simpler in structure and consist, in addition to protective and other interlayers, of a film base, carrying a filter raster, and a black-and-white emulsion layer. The raster consists of sequences of very narrow red, green, and blue transparent filter lines (up to 1,800 lines per inch) through which ...
- additive mixture
- (from the article "colour") ...sequence. According to some estimates, the eye can distinguish some 10 million colours, all of which derive from two types of light mixture: additive and subtractive. As the names imply, additive mixture involves the addition of spectral components, and subtractive mixture concerns the subtraction or absorption of parts of the ...
- additive synthesis
- (from the article "music synthesizer") ...a signal containing a fundamental tone and all related overtones (sawtooth-wave signals). The harmonic-tone generator developed by James Beauchamp at the University of Illinois, in contrast, used additive synthesis-building tones from signals for pure tones, i.e., without overtones (sine-wave signals)-and offered certain advantages in the nuances of tone colours produced.harmonic ...
- additive variation
- (from the article "animal breeding") Although no complete knowledge of the genetic makeup of any breed of livestock exists yet, genetic variations can be used for improving stock. Researchers partition total genetic variation into additive, dominance, and epistatic types of gene action, which are defined in the following paragraphs. Additive variation is easiest to use ...
- additivity relationship
- (from the article "industrial glass") Because glass generally acts as if it were a solution, many of its properties can be estimated by applying what are known as additivity relationships over a narrow range of compositions. In additivity relationships, it is assumed that each ingredient in a glass contributes to the properties of the glass ...
- Addo Elephant National Park
- national park in Eastern province, South Africa. It has an area of 208 square miles (540 square km) and consists of two sections connected by a corridor. The southern part of the park lies in the Sundays River valley south of the Suurberg Range, north of Port Elizabeth, and was ... [1 Related Articles]
- address electrode
- (from the article "television") ...electrodes, running at right angles to the electrodes on the front plate. A plasma cell, or subpixel, occurs at the intersection of a pair of transparent sustain and discharge electrodes and an address electrode. An alternating current is applied continuously to the sustain electrode, the voltage of this current carefully ...
- adduct
- (from the article "acid-base reaction") In the reaction of a Lewis acid with a base the essential process is the formation of an adduct in which the two species are joined by a covalent bond; proton transfers are not normally involved. If both the Lewis acid and base are uncharged, the resulting bond is termed ...
- adductor brevis muscle
- (from the article "adductor muscle") ...that draw a part of the body toward its median line or toward the axis of an extremity (compare abductor muscle), particularly three powerful muscles of the human thigh-adductor longus, adductor brevis, and adductor magnus. Originating at the pubis and the ischium (lower portions of the pelvis-the hipbone), these ribbonlike ...
- adductor hallucis muscle
- (from the article "adductor muscle") Other muscles named for this function include the adductor pollicis, which draws in and opposes the thumb, and the adductor hallucis, which acts on the great toe.
- adductor longus muscle
- (from the article "adductor muscle") ...of the muscles that draw a part of the body toward its median line or toward the axis of an extremity (compare abductor muscle), particularly three powerful muscles of the human thigh-adductor longus, adductor brevis, and adductor magnus. Originating at the pubis and the ischium (lower portions of the pelvis-the ...
- adductor magnus muscle
- (from the article "adductor muscle") ...body toward its median line or toward the axis of an extremity (compare abductor muscle), particularly three powerful muscles of the human thigh-adductor longus, adductor brevis, and adductor magnus. Originating at the pubis and the ischium (lower portions of the pelvis-the hipbone), these ribbonlike muscles are attached along the femur ...
- adductor muscle
- any of the muscles that draw a part of the body toward its median line or toward the axis of an extremity (compare abductor muscle), particularly three powerful muscles of the human thigh-adductor longus, adductor brevis, and adductor magnus. Originating at the pubis and the ischium (lower portions of the ... [4 Related Articles]
- adductor pollicis muscle
- (from the article "adductor muscle") Other muscles named for this function include the adductor pollicis, which draws in and opposes the thumb, and the adductor hallucis, which acts on the great toe.
- Ade, George
- American playwright and humorist whose Fables in Slang summarized the kind of wisdom accumulated by the country boy in the city.
- Ade, King Sunny
- (from the article "world music") ...especially African music, which for a time was virtually synonymous with world music. The clearest sign of the growing interest in African music was the success of Nigerian juju bandleader King Sunny Ade, whose first two internationally released albums for Island Records sold more than 100,000 copies each in the ...
- Adeang, David
- (from the article "Nauru") ...unable to pass the budget because neither the government nor the opposition (each with nine seats) was prepared to lose a vote by nominating a speaker. In late May the opposition suddenly elected David Adeang parliamentary speaker and passed several private members' bills, including one regarding the examination of allegations ...
- Adela
- daughter of William I the Conqueror of England and mother of Stephen, king of England, whose right to the throne derived through her. [1 Related Articles]
- Adelaer
- Norwegian-born seaman and naval officer, distinguished in both Venetian and Danish naval history.
- Adelaide
- city and capital of the state of South Australia. Situated at the base of the Mount Lofty Ranges, 9 miles (14 km) inland from the centre of the eastern shore of the Gulf St. Vincent, it has a Mediterranean climate with hot summers (February mean temperature 74 °F [23 °C]), ... [4 Related Articles]
- Adelaide Festival
- (from the article "South Australia") The Adelaide Festival, held in March every two years since 1960, is a major cultural event that draws crowds of hundreds of thousands. The festival has been instrumental in bringing to South Australia many notable performers and artists and has been the site of world premieres of works commissioned specifically ...
- Adelaide Festival Centre
- (from the article "South Australia") ...art, including one of the finest collections of Southeast Asian ceramics. The Adelaide Symphony Orchestra gives regular concerts, especially in the refurbished 19th-century Adelaide Town Hall. The Adelaide Festival Centre, opened in 1973, provides venues for a variety of activities, from drama and rock concerts to grand opera. Rundle Mall, ...
- Adelaide Geosyncline
- (from the article "Australia") On the southeastern extremity of the shield, the Flinders-Mount Lofty ranges occupy the site of the Adelaide downwarp in the Earth's surface. These sediments were folded and faulted, principally in the early Paleozoic, though recurrently since. The Flinders Ranges are a much-eroded fold mountain belt characterized by ridge and valley ...
- Adelaide Range
- (from the article "Australia") The development of the late Proterozoic Adelaidean province, the other Precambrian succession to be described here, was within a sialic basement. The Adelaidean succession crops out in the region of South Australia between Adelaide and the Flinders Ranges and contains an almost complete sedimentary record of the late Proterozoic. The ...
- Adelaide River
- river in northwestern Northern Territory, Australia, rising in the hills west of Brock's Creek and flowing (with marked summer increases in volume) for 110 miles (180 km) northeastward to Adam Bay, an inlet of the Timor Sea on Clarence Strait. From its mouth, 32 miles (50 km) northeast of Darwin, ...
- Adelaide Symphony Orchestra
- (from the article "South Australia") The Art Gallery of South Australia in Adelaide houses collections of Australian, European, and Asian art, including one of the finest collections of Southeast Asian ceramics. The Adelaide Symphony Orchestra gives regular concerts, especially in the refurbished 19th-century Adelaide Town Hall. The Adelaide Festival Centre, opened in 1973, provides venues ...
- Adelaide, Saint
- consort of the Western emperor Otto I and, later, regent for her grandson Otto III; one of the most influential women of 10th-century Europe, she helped strengthen the German church while subordinating it to imperial power. [3 Related Articles]
- Adelaide, University of
- (from the article "Selected universities and colleges of the world") ...from the basic trade apprentice to technical and paraprofessional levels. Professional and research-focused education at a higher level is provided at three institutions. The centrally situated University of Adelaide, established in 1874 and opened in 1876, is the third oldest university in Australia. Flinders University opened in 1966 on the ...
- Adelaidean Province
- (from the article "Australia") The development of the late Proterozoic Adelaidean province, the other Precambrian succession to be described here, was within a sialic basement. The Adelaidean succession crops out in the region of South Australia between Adelaide and the Flinders Ranges and contains an almost complete sedimentary record of the late Proterozoic. The ...
- adelantado
- (Spanish: "one who goes before"), representative of the kings of Castile (Spain) who in the early European Middle Ages headed military expeditions and, from the reign of Ferdinand III (1217-52) until the 16th century, held judicial and administrative powers over specific districts. Greater adelantados (adelantados mayores) served as appeal judges ... [1 Related Articles]
- Adelard Of Bath
- English Scholastic philosopher and early interpreter of Arabic scientific knowledge. [1 Related Articles]
- Adelfi
- (from the article "Italy") ...to compromise with the absolute monarchs. They had distrusted democrats and republicans who sought to achieve Italian unification by political revolution and force of arms. Among these were the Adelfi, a secret society of the followers of Filippo Buonarroti. Ultimately, the task of organizing new cadres of democratic and republican ...
- Adelie Coast
- part of the coast of Wilkes Land in eastern Antarctica, extending from Claire Coast (west) to George V Coast (east). The region is an ice-covered plateau rising from the Indian Ocean and occupying an area of about 150,000 square miles (390,000 square km). It was discovered in 1840 by the ... [1 Related Articles]
- Adelie penguin
- (from the article "Antarctica") ...supply operations to the U.S. and New Zealand research stations located on Ross Island, caused sea ice in McMurdo Sound to reach record thicknesses, and disturbed the breeding habits of the region's Adelie penguin population. Scientists forecast that the iceberg would collide with the Drygalski ice tongue, a 20-km-wide ice ...
- Adelphi
- (from the article "Adam, Robert") In 1768 Robert and James Adam leased a site on the River Thames for a speculative development to be known as the Adelphi (it was almost totally destroyed in 1936). They invested a large sum on embanking the site and building several terraces of houses (1768-72) in which the Adam ...
- Adelphi University
- private, coeducational institution of higher learning in Garden City, New York, U.S. Adelphi is a liberal arts college serving Long Island, with branch campuses in Manhattan and Huntington. It offers a range of bachelor's and master's degree programs in business, nursing, social work, and the arts and sciences. Doctorate degrees ...
- Adelphia Communications Corporation
- (from the article "Law, Crime, and Law Enforcement") ...nine counts, involving conspiracy, securities fraud, and filing false reports with regulators. Ebbers was sentenced in July to 25 years in prison. In June John Rigas, the founder and former head of Adelphia Communications, received a 15-year prison sentence, and his son, the former CFO, was sentenced to 20 years. ...
- adelphic polyandry
- (from the article "polyandry") ...polys, "many," and aner, andros, "man." When the husbands in a polyandrous marriage are brothers or are said to be brothers, the institution is called adelphic, or fraternal, polyandry. Polygyny, the marriage of a man and two or more women at the same time, includes an analogous sororal form.
- Adelung, Johann Christoph
- one of the most influential German-language scholars before Jacob Grimm. His grammars, dictionary, and works on style helped to standardize the language. [1 Related Articles]
- ademi
- (from the article "Native American religions") ...and practiced human shaman. In other traditions, including those of the Makiritare, the master is a supernatural being. The Makiritare believe that the sacred songs (ademi) were taught to shamans at the beginning of time by sadashe (masters of animals and prototypes of the ...
- Ademola, Sir Adetokunbo Adegboyega
- Nigerian judge (b. Feb. 1, 1906, Abeokuta, Nigeria--d. Jan. 29, 1993, Lagos, Nigeria), was the first indigenous chief justice of the Nigerian Supreme Court (1958-72) and a cofounder of the Nigerian law school. Ademola was the son of Sir Ladapo Ademola II, the paramount ruler (1920-63) of the Egba people ...
- Aden
- city of Yemen. It is situated along the north coast of the Gulf of Aden and lies on a peninsula enclosing the eastern side of Al-Tawahi Harbour. The peninsula enclosing the western side of the harbour is called Little Aden. [4 Related Articles]
- Aden, Gulf of
- deepwater basin that forms a natural sea link between the Red Sea and the Arabian Sea. Named for the seaport of Aden, in southern Yemen, the gulf is situated between the coasts of Arabia and the Horn of Africa. To the west, it narrows into the Gulf of Tadjoura; its ... [2 Related Articles]
- Aden, University of
- (from the article "Yemen") ...Sanaa (founded 1970), established largely with grants from Kuwait, is coeducational and comprises a variety of specialized colleges-e.g., those of agriculture, medicine, commerce, and law. The University of Aden (1975) offers a similar array of specialties. These two senior institutions of higher learning have spawned universities and colleges throughout Yemen, ...
- Adena culture
- culture of various communities of ancient North American Indians, about 500 BC-AD 100, centred in what is now southern Ohio. Groups in Indiana, Kentucky, West Virginia, and possibly Pennsylvania bear similarities and are roughly grouped with the Adena culture. (The term Adena derives from the home of an early Ohio ... [7 Related Articles]
- Adenauer, Konrad
- first chancellor of the Federal Republic of Germany (West Germany; 1949-63), presiding over its reconstruction after World War II. A Christian Democrat and firmly anticommunist, he supported the North Atlantic Treaty Organization (NATO) and worked to reconcile Germany with its former enemies, especially France. [7 Related Articles]
- Adenet Le Roi
- poet and musician, interesting for the detailed documentary evidence of his career as a household minstrel.
- Adenia
- (from the article "Malpighiales") ...when immature, although the mature fruit has been known to be poisonous. P. incarnata has an ingredient used in sedatives, and the flowers of P. x belotii are used to make scent. Adenia (about 100 species), which is native to tropical Africa and Asia, makes up most of the remaining ...
- adenine
- organic compound belonging to the purine family, occurring free in tea or combined in many substances of biological importance, including the nucleic acids, which govern hereditary characteristics of all cells. [7 Related Articles]
- adenocarcinoma
- (from the article "breast cancer") ...provide a passage for milk (ductal tissue) to the nipple. Cancers of these tissues are called lobular carcinomas and ductal carcinomas. Because these tissues are glandular, both cancers are called adenocarcinomas. The most common type of tumour, called infiltrating ductal carcinoma, is a single hard, barely movable lump. This type ...
- adenochrome
- (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 and some nitrogen and gives a positive reaction for pyrroles. It is believed to be an excretory product.
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