21st Century Webster's Family Encyclopedia - Mudpuppy to Nebula

21st Century Webster's Family Encyclopedia

Karl Alexander Müller

Müller, Karl Alexander (1797–1840), German philologist and archeologist.

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Mudpuppy

Mudpuppy, or water dog (Necturus maculosus), salamander growing up to 2 ft (0.6 m) that lives in many North American rivers and streams.

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Robert Gabriel Mugabe

Mugabe, Robert Gabriel (1924– ), president (1987– ) and prime minister (1980– ) of Zimbabwe.

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Mughal Empire

Mughal Empire See: Mogul Empire.

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Mugwump

Mugwump, term for independent voter or political fence straddler.

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Muhammad

Muhammad (570?–632), prophet founder of Islam. Born in Mecca into the ruling Qureish tribe, Muhammad spent his early years as a merchant. At the age of 40 he had a vision of the archangel Gabriel bidding him go forth and preach. His teachings are recorded in the Koran, which Muslims believe is the word of God. Muhammad proclaimed himself the messenger of the one true god, Allah. At first he…

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Muhammad Ali

Muhammad Ali See: Ali, Muhammad.

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Elijah Muhammad

Muhammad, Elijah (Elijah Poole; 1897–1975), U.S.

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Muhammad II

Muhammad II (1430?–81), sultan and ruler of the Ottoman Empire (Turkey).

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Muhammadan art

Muhammadan art See: Islamic art.

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John Muir

Muir, John (1838–1914), Scottish-born U.S. naturalist and writer, an advocate of forest conservation.

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Mukden

Mukden See: Shenyang.

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Mulberry

Mulberry, medium-sized deciduous or evergreen tree (family Moraceae) that carries edible fruits, such as berries, figs, and breadfruit.

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Mule

Mule, infertile offspring of a male donkey and a mare (female horse).

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Mule deer

Mule deer, medium-sized deer (Odocoileus hemionus), of the western United States, closely related to the Virginia, or white-tailed, deer.

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Mullein

Mullein, large herbal plants (genus Verbascum) of the figwort family.

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Hermann Joseph Muller

Muller, Hermann Joseph (1890–1967), U.S. geneticist awarded the 1946 Nobel Prize for physiology or medicine for his work showing that X-rays greatly accelerate mutation processes.

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Mullet

Mullet, any of several species of fish of either the mullet or goatfish families.

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Robert Sanderson Mulliken

Mulliken, Robert Sanderson (1896–1986), U.S. chemist and physicist awarded the 1966 Nobel Prize for chemistry for his work on the nature of chemical bonding and hence on the electronic structure of molecules.

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Brian Mulroney

Mulroney, Brian (1939– ), prime minister of Canada (1984–93).

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Multiple sclerosis

Multiple sclerosis, degenerative disease of the brain and spinal cord in which myelin sheath around nerve fibers is destroyed.

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Lewis Mumford

Mumford, Lewis (1895–1990), U.S. social critic and historian concerned with the relationship between people and environment, especially in urban planning.

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Mummy

Mummy, corpse preserved, particularly by embalming.

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Mumps

Mumps, common viral infection causing swelling of the parotid salivary gland.

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Edvard Munch

Munch, Edvard (1863–1944), Norwegian painter and printmaker.

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Munich

Munich, or München (pop. 1,236,500), capital of Bavaria, southwestern Germany, on the Isar River about 30 mi (48 km) north of the Alps.

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Munich Agreement

Munich Agreement, pact signed Sept. 30, 1938, prior to World War II, forcing Czechoslovakia to surrender its Sudetenland to Nazi Germany.

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Hector Hugh Munro

Munro, Hector Hugh (1870–1916), British writer who wrote under the pen name Saki, known for his inventive, satirical, and often fantastic short stories.

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Munsee

Munsee, Native American group consisting of the Wolf clan of the Delaware tribe.

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Muppets

Muppets, puppet family created by the master puppeteer Jim Henson in 1955. Henson was strongly influenced by the diversity of the European puppet theater. The first network television appearance of the Muppets occurred on “The Steve Allen Show” in 1956. The Muppets continued to grow in popularity through the early 1960s but it was their appearance on the Children's Television …

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Shikibu Murasaki

Murasaki, Shikibu, or Lady Murasaki (978–1026?), pseudonym of Japanese court figure and author of The Tale ofGenji, one of the first great works of fiction written in Japanese.

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Joachim Murat

Murat, Joachim (1767–1815), French marshal under Napoleon Bonaparte and king of Naples (1808–15).

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Iris Murdoch

Murdoch, Iris (1919– ), Irish-born British novelist.

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Muriatic acid

Muriatic acid See: Hydrochloric acid.

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Bartolomé Estéban Murillo

Murillo, Bartolomé Estéban (1617–82), baroque painter, Spain's most famous in his time, known as the Raphael of Seville.

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Murmansk

Murmansk (pop. 472,000), city in northwestern Russia, lying on the Kola Gulf of the Barents Sea, within the Arctic Circle.

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Audie Murphy

Murphy, Audie (1924–71), U.S. soldier and actor.

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Philip Murray

Murray, Philip (1886–1952), Scottish-born U.S. labor leader.

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Murray River

Murray River, Australia's chief river, an important source of irrigation and hydroelectricity.

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Murre

Murre, seabirds (genus Uria) in the auk family.

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Muscat

Muscat, or Maskat (pop. 30,000), capital of Oman.

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Muscle

Muscle, contractile tissue that produces movement in the body.

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Muscular dystrophy

Muscular dystrophy, group of inherited diseases in which muscle fibers are abnormal and become wasted.

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Muses

Muses, in Greek mythology, 9 patron goddesses of the arts, worshiped especially near Mt.

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Museum of Modern Art

Museum of Modern Art, one of the world's pre-eminent museums of modern art, New York City.

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Yoweri Kaguta Museveni

Museveni, Yoweri Kaguta (1944– ), president of Uganda since 1986.

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Mushroom

Mushroom, popular name given to an umbrella-shaped gill fungi.

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Stan(ley) Musial

Musial, Stan(ley) (1920– ), U.S. baseball player.

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Music

Music, sound organized and arranged as a means of expression and for sensual and intellectual pleasure. Of the major arts, music may be the most ancient, because the urge to sing and dance in response to feelings of anger, joy, or sorrow springs from the body itself. Music may also be described as sound shaped by time. Its 2 most important elements are rhythm and melody, rhythm being organized in …

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Robert Musil

Musil, Robert (1880–1942), Austrian writer.

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Musk deer

Musk deer (Moschus moshiferus), a deer of the family Cervidae.

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Musk hog

Musk hog See: Peccary.

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Musk ox

Musk ox (Ovibos moschatus, shaggy-furred, hoofed animal of Arctic America, related to sheep and goats.

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Muskellunge

Muskellunge (Esox masquinongy), the largest fish of the pike family.

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Musket

Musket, shoulder firearm developed in Spain in the 16th century and used into the 19th century.

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Muskmelon

Muskmelon, edible fruit of certain plants (Cucumis melo) belonging to the gourd family.

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Muskrat

Muskrat, or musquash, aquatic rodent of North America, Ondrata ziethica, up to 2 ft (6 m) long.

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Muslims

Muslims, practitioners of the religion of Islam as preached by the prophet Muhammad in the 600s.

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Mussel

Mussel, two-shelled mollusk that lives in masses on most rocky shores and is exposed at low tide.

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Benito Mussolini

Mussolini, Benito (1883–1945), founder of Fascism, dictator of Italy (1924–43).

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Modest Mussorgsky

Mussorgsky, Modest (1839–81), Russian composer, one of the first to develop a style around characteristically Russian idioms.

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Mustard

Mustard, any of several herbs (genus Brassica) of the Cruciferae family.

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Mustard gas

Mustard gas See: Chemical and biological warfare.

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Mutsuhito

Mutsuhito (1852–1912), emperor of Japan (1867–1912); his regal title was Meiji (“enlightened rule”).

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Mutual fund

Mutual fund, investment company that pools its shareholders' funds and invests them in a broad range of stocks and shares.

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My Lai

My Lai, hamlet in South Vietnam where nearly 350 Vietnamese civilians were massacred by U.S. soldiers in 1968.

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Myanmar

Myanmar, country in Southeast Asia, formerly called Burma, bordered by India, Bangladesh, and the Bay of Bengal on the west, by China on the north and northeast, by Laos and Thailand on the east, and by the Andaman Sea on the south. The capital is Yangon, formerly called Rangoon. Myanmar's climate is typical of the tropical monsoon regions of southeast Asia and India. The rainy season lasts…

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Myasthenia gravis

Myasthenia gravis, disease of the junctions between the peripheral nerves and the muscles, probably due to abnormal immunity and characterized by muscle fatigue.

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Mycenae

Mycenae, city of Bronze Age Greece.

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Myna

Myna, several birds of the starling family, native to Indian and Asian forests but dispersed to the Pacific tropics.

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Myocarditis

Myocarditis, inflammation of the heart muscle (myocardium).

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Myoelectricity

Myoelectricity See: Artificial limb.

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Myopia

Myopia, commonly called nearsightedness, inability to clearly see objects at a distance.

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Gunnar Myrdal

Myrdal, Gunnar (1898–1987), Swedish economist who wrote a classic work on race relations, An American Dilemma (1944), an influential study of Third World economic development, Asian Drama (1968), and Challenge of World Poverty (1970).

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Myrtle

Myrtle, common name for the Myrtaceae family of trees and shrubs.

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Mysteries

Mysteries, secret religious cults of ancient Greece and Rome; their rites were revealed only to initiated persons.

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Mystery play

Mystery play, medieval religious drama based on biblical themes, chiefly those concerning the Nativity, the Passion, and the Resurrection.

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Mysticism

Mysticism, experience of a transcendental union in this life with God, the divine, through meditation and other disciplines.

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Mythology

Mythology, stories or explanations of the origin and meaning of the world and the universe and their relation to a particular culture or civilization.

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N

N, 14th letter of the English alphabet, corresponds with the 14th Semitic letter nun, denoting a fish.

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N'Djamena

N'Djamena (pop. 594,000), capital and largest city of the North African republic of Chad, on the Chari and Logone rivers in the southwestern part of the country.

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NAACP

NAACP See: National Association for the Advancement of Colored People.

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Vladimir Nabokov

Nabokov, Vladimir (1899–1977), Russian-born U.S. novelist and critic.

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Elie Nadelman

Nadelman, Elie (1882–1946), Polish-born U.S. sculptor.

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Ralph Nader

Nader, Ralph (1934– ), U.S. consumer crusader and lawyer.

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Nadir

Nadir, in astronomy, point on the celestial sphere directly opposite the zenith, that is, directly below an observer.

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Nadir Shah

Nadir Shah (1688–1747), shah of Iran (1736–47), often called the Napoleon of Iran.

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Nagana

Nagana See: Tsetse fly.

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Nagasaki

Nagasaki (pop. 439,100), city on western Kyushu Island, Japan, capital of Nagasaki prefecture.

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Nagoya

Nagoya (pop. 2,095,400), capital of Aichi prefecture, Japan, on the island of Honshu.

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Imre Nagy

Nagy, Imre (1895?–1958), Hungarian communist leader and premier (1953–55).

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Book of Nahum

Nahum, Book of, seventh of the Old Testament Minor Prophets, the oracles of the prophet Nahum.

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Naiad

Naiad See: Nymph.

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Nail

Nail, metal shaft, pointed at one end and usually with a head at the other, that can be hammered into pieces of material, usually wood, to fasten them together.

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Nail

Nail, thin, horny plate growing on the ends of the fingers and toes of humans and other primates.

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V(idiadhar) S(urajprasad) Naipaul

Naipaul, V(idiadhar) S(urajprasad) (1932– ), Indian writer, born in Trinidad, who has lived in England since 1950.

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Nairobi

Nairobi (pop. 1,162,200), capital of Kenya.

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James Naismith

Naismith, James (1861–1939), inventor of basketball.

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Mohammad Najiabullah

Najiabullah, Mohammad (1948–96), political leader of Afghanistan (1986–93).

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Rabbie Namaliu

Namaliu, Rabbie (1947– ), prime minister of the south Pacific nation of Papua New Guinea (1988–92).

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Namibia

Namibia, Republic of, in southern Africa, an area covering about 318,261 sq mi (824,292 sq km), bordered by Angola, Zambia, Botswana, South Africa, and the Atlantic Ocean. The capital is Windhoek. From the Namib Desert, which stretches north-south on the Atlantic coast, the land rises to a plateau averaging 3,500 ft (1,067 m) above sea level covered by rough grass and scrub. The Kalahari, a desert…

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Henri Namphy

Namphy, Henri (1933– ), military ruler of Haiti 1986–88.

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Nan-ching

Nan-ching See: Nanjing.

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Nancy

Nancy (pop. 96,300), capital of Meurthe-et-Moselle département in the Lorraine region of northeastern France, on the Meurthe River.

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Nanjing

Nanjing, or Nanking (pop. 2,500,000), industrial and manufacturing city on the Yangtze River in east-central China.

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Nanking

Nanking See: Nanjing.

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Fridtjof Nansen

Nansen, Fridtjof (1861–1930), Norwegian explorer, scientist, and humanitarian.

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Nantes

Nantes (pop. 252,000), port city in western France near the Loire River, capital of the Loire- Atlantique department.

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Edict of Nantes

Nantes, Edict of, proclamation of religious toleration for French Protestants (Huguenots) issued in the city of Nantes by Henry IV in 1598.

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Nantucket Island

Nantucket Island, island 25 mi (40 km) south of Cape Cod, Mass., across Nantucket Sound.

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Napalm

Napalm, mixture of gasoline and thickeners, used in flame throwers and incendiary bombs.

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Naphtha

Naphtha, volatile inflammable hydrocarbon liquid (distilled from substances that yield carbon).

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John Napier

Napier, John (1550–1617), Scottish mathematician, the inventor of logarithms.

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Naples

Naples (pop. 1,071,700), third-largest city in Italy, capital of the region of Campania, on the Bay of Naples, 120 mi (193 km) southeast of Rome.

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Bay of Naples

Naples, Bay of, bay of the Tyrrhenian Sea (arm of the Mediterranean west of Italy), southwest of Naples.

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Kingdom of Naples

Naples, Kingdom of, region once comprised of all Italy south of the Papal States, including Sicily. It emerged after the conquests by the Norman Robert Guiscard in the 11th century; his nephew, Roger II, took the title King of Sicily and Apulia (1130). Naples was ruled in turn by the Hohen-staufens, the Angevins, the Aragonese, and the Spanish. The Austrians conquered the kingdom in 1707, but it w…

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Napoleon I

Napoleon I (1769–1821), general and emperor of France (1804–14). Napoleon Bonaparte was born in Corsica, went to military schools in France, and became a lieutenant in the artillery (1785). He associated with Jacobins on the outbreak of the French Revolution, drove the British from Toulon (1793), and dispersed a royalist rebellion in Paris (Oct. 1795). He defeated the Austro-Sardinia…

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Napoleon II

Napoleon II (1811–32), son of Napoleon I and Marie Louise, proclaimed king of Rome at birth.

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Napoleon III

Napoleon III (Louis Napoleon Bonaparte; 1808–73), emperor of the French (1852–70); son of Louis Bonaparte (king of Holland), nephew of Napoleon I.

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Napoleonic Code

Napoleonic Code See: Code Napoléon.

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Napoleonic Wars

Napoleonic Wars (1803–15), fought by France after Napoleon I became emperor. After the Treaty of Amiens (1802), which had ended the French Revolutionary Wars (1792–1802), Britain declared war on France (1803), maintaining that Napoleon was not keeping the treaty. Napoleon planned to invade Britain, but the British fleet proved too strong for him, especially after the Battle of Trafal…

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R(asipuram) K(rishnaswamy) Narayan

Narayan, R(asipuram) K(rishnaswamy) (1906– ), Indian novelist writing in English who created the fictitious town of Malgudi in a series of novels that dealt with the ironies of daily life in contemporary India.

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Narcissus

Narcissus, fragrant yellow, white, or pink perennial flower (genus Narcissus) of the amaryllis family, named after the youth Narcissus of Greek mythology.

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Narcissus

Narcissus, in Greek mythology, name of a self-centered, handsome youth loved by many, including the nymph Echo.

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Narcolepsy

Narcolepsy, chronic disease marked by uncontrollable attacks of deep sleep of brief duration.

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Narcotic

Narcotic, drug that induces sleep; specifically, the analgesics (painkilling drugs) opium, codeine, morphine, and heroin.

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Nard

Nard See: Spikenard.

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Narraganset

Narraganset, Native American tribe of the Algonquian linguistic family who inhabited most of Rhode Island.

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Pánfilo de Narváez

Narváez, Pánfilo de (c. 1470–1528), Spanish conquistador.

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Narwhal

Narwhal (Monodon monoceros), tusked whale native to the Arctic.

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NASA

NASA See: National Aeronautics and Space Adminstration.

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Charles William Nash

Nash, Charles William (1864–1948), U.S. automobile manufacturer.

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Ogden Nash

Nash, Ogden (1902–71), U.S. humorous poet.

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Nashua

Nashua (pop. 180,557), city in southern New Hampshire, seat of Hillsborough County, situated on the Merrimack and Nashua rivers.

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Nashville

Nashville (pop. 510,000), capital city of Tennessee, on the Cumberland River.

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Naskapi

Naskapi, Native American tribe living in Quebec and Labrador, Canada.

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Nassau

Nassau (pop. 132,000), capital city of the Bahama Islands, a port on the northeastern New Providence Island.

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Gamal Abdel Nasser

Nasser, Gamal Abdel (1918–70), Egyptian president (1956–70) and Arab leader.

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Thomas Nast

Nast, Thomas (1840–1902), German-born U.S. cartoonist, creator of the symbols for the Democratic Party (donkey) and the Republican Party (elephant).

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Nasturtium

Nasturtium, annual plant (Tropaeolum majus and T. minus) native to mountainous areas of the American tropics and cultivated in gardens for its red, orange, and yellow flowers.

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Natal

Natal, former province of South Africa, on the Indian Ocean.

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Natchez

Natchez, Muskogean-speaking Native American tribe of southwestern Mississippi.

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Natchez

Natchez (pop. 22,209), city of southwestern Mississippi, seat of Adams County, on the bluffs overlooking the Mississippi River.

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Nation of Islam

Nation of Islam See: Black Muslims.

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National Academy of Sciences

National Academy of Sciences, private U.S. organization of scientists and engineers, founded 1863 by an act of Congress.

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National Air and Space Museum

National Air and Space Museum, part of the Smithsonian Institution, Washington, D.C., devoted to displays and exhibits about the history of air and space travel.

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National Alliance of Business

National Alliance of Business, organization whose major goal is to reduce unemployment among the disadvantaged population.

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National of American History

National of American History, bureau of the Smithsonian Institution in Washington, D.C., that houses more than 17 million artifacts relating to the social, cultural, political, and technological development of the United States.

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National anthem

National anthem, official song of a nation, played on state or ceremonial occasions, intended as an expression of unity and loyalty to the country's ideals.

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National Archives

National Archives, U.S. governmental organization devoted to preserving archival material (documents, records, the presidential libraries, films, and maps) dating back to 1774 for public viewing and reference at the National Archives Building in Washington, D.C.

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National budget

National budget, financial procedure recommended by the U.S.

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National Bureau of Economic Research

National Bureau of Economic Research , organization that studies economic growth, taxation, investments, international trade, employment, and money.

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National cemetery

National cemetery, any of a system of burial places operated by U.S. government agencies for the deceased of the U.S. armed forces.

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National Collegiate Athletic Association

National Collegiate Athletic Association (NCAA), U.S. advisory body founded in 1906 to establish eligibility and competition rules for intercollegiate athletics.

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National Congress of American Indians

National Congress of American Indians, U.S. agency devoted to the welfare, benefits, and work opportunities for Native Americans.

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National Congress of Parents and Teachers

National Congress of Parents and Teachers (National PTA), U.S. organization whose major objective is to provide the best possible education for children from elementary grades through high school.

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National debt

National debt, amount of money owed by a government, borrowed to pay expenses not covered by taxes.

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National Farmers Organization

National Farmers Organization (NFO), group representing U.S. farmers in seeking the best prices and contracts for farm products and livestock.

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National forest

National forest, 186 million acres (75 million hectares) preserved and protected by the U.S. government for controlled use and enjoyment by the public, by ranchers for livestock grazing, and by businesses who harvest wood to make products and perform limiting mining operations.

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National Gallery of Art

National Gallery of Art, U.S. museum of nationally owned works of art, opened 1941 in Washington, D.C. as a branch of the Smithsonian Institution.

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National Geographic Society

National Geographic Society, nonprofit scientific and educational organization, established in Washington, D.C. (1888) “for the increase and diffusion of geographic knowledge.” It publishes National Geographic magazine, books, maps, and school bulletins, and sponsors expedition and research projects.

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National Guard

National Guard, volunteer reserve groups of the U.S.

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National income

National income, total of labor and property earnings from the current production of goods and services by the nation's economy.

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National Institute of Standards and Technology

National Institute of Standards and Technology , U.S. organization that seeks to preserve a basic system of measurement for the physical sciences, manufacturing enterprises, and general business.

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National Labor Relations Act

National Labor Relations Act, or Wagner Act, law enacted in 1935 permitting the establishment of unions to protect employees' rights, and requiring employers to participate in collective bargaining with elected union representatives.

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National Labor Relations Board

National Labor Relations Board (NLRB), independent U.S. government agency designed to prevent or correct unfair labor practices.

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National laboratory

National laboratory, any of 9 U.S. government laboratories devoted to studying a scientific problem such as conservation, energy, nuclear medicine and power, and radiation.

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National League of Cities

National League of Cities, agency representing about 15,000 U.S. cities and responsible for improving city life, solidifying power in city government, and occasionally representing cities in federal courts.

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National Library of Medicine

National Library of Medicine, located in Bethesda, Md., the central source of medical data in the U.S.

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National Mediation Board

National Mediation Board, independent U.S. federal agency that mediates and arbitrates in labor disputes threatening to disrupt interstate airline and railroad commerce.

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United States National Motto

National Motto, United States, “In God We Trust.” This phrase, printed on coins since 1864, probably came from the fourth stanza of “The Star-Spangled Banner”: “And this be our motto: ‘In God is our trust.'” Congress made it the official U.S. motto in 1956.

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National Museum of African Art

National Museum of African Art, museum of the Smithsonian Institution in Washington, D.C., and the only U.S. museum devoted exclusively to African art.

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National Museum of American Art

National Museum of American Art, collection of more than 32,000 art works by U.S. artists from the mid-18th century to the present, part of the Smithsonian Institution in Washington, D.C.

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National Museum of Natural History

National Museum of Natural History, collection relating to the earth, its inhabitants, and outer space, part of the Smithsonian Institution in Washington, D.C.

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National Oceanic and Atmospheric Administration

National Oceanic and Atmospheric Administration (NOAA), U.S. government agency set up in 1970 to coordinate scientific research into atmosphere and oceans, focusing on pollution, resources, and weather control.

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National Optical Astronomy Observatories

National Optical Astronomy Observatories, (NOAO), group of 3 U.S. research centers for optical astronomy, established in 1984 and operating under the National Science Foundation, a federal agency.

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National Organization for Women

National Organization for Women (NOW), organization founded by Betty Friedan (author of The Feminine Mystique, 1963) in 1966 to promote full equality between men and women in all walks of life.

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National Park System

National Park System, system instituted by President Woodrow Wilson in 1916, whereby land of outstanding scenic or historical interest is protected “for the benefit and enjoyment of the people.” An Act of Congress in 1872 had already created Yellowstone National Park.

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National Radio Astronomy Observatory

National Radio Astronomy Observatory (NRAO), U.S. observatory for radio astronomy that operates radio telescopes at Kitt Peak National Observatory, near Tucson, Ariz.; in Green Bank, W.

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National Recovery Administration

National Recovery Administration (NRA), government agency (1933–36) set up by the National Industrial Recovery Act to administer codes of fair practice for businesses and industries.

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National Republican Party

National Republican Party, 19th-century U.S. political party formed when the Democratic-Republican Party split up in the 1828 presidential election.

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National Road

National Road, U.S. paved road used by settlers emigrating to the West, begun in 1815 and completed in 1833.

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National Security Council

National Security Council (NSC), U.S. defense council created by Congress in 1947 as part of the executive office of the president, to advise on matters relating to national security and defense policies.

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National Wildlife Refuge System

National Wildlife Refuge System, areas designated by the U.S. government to conserve wildlife and its habitat.

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National Zoological Park

National Zoological Park, zoo maintained by the Smithsonian Institution in Washington, D.C.

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Nationalism

Nationalism, political and social attitude of people who share a common culture, language, and territory as well as common aims, and thus feel a deep-seated loyalty to their group.

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Nationality

Nationality, in law, recognized citizenship of a particular country.

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Nationalization

Nationalization, governmental control and ownership of an industry.

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Native Americans

The major Native American groups in Central and northern South America at the beginning of the European conquest (16th century) included the Caribs, Arawaks, Aztecs, Mayas, and Incas. The Maya civilization had reached its zenith some 700 years before, but the Inca and Aztec were at their peak. The cultures were overthrown and millions were killed by warfare and disease during the 16th-century Span…

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Native bear

Native bear See: Koala.

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NATO

NATO See: North Atlantic Treaty Organization.

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Natural gas

Natural gas See: Gas.

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Natural gas liquids

Natural gas liquids (NGL), chemical compounds in liquid form obtained from natural gas.

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Natural law

Natural law, body of law supposed to be innate, discoverable by natural human reason, and common to all people.

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Natural resources

Natural resources, earth's products or features that support life or are used to make food, fuel, and raw materials.

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Natural selection

Natural selection, mechanism central to Charles Darwin's theory of evolution (1830s).

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Naturalism

Naturalism, aesthetic movement attempting to apply the scientific view of the natural world (particularly that of Darwin) to the arts.

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Naturalization

Naturalization, process whereby a resident alien obtains citizenship of a country.

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Nauru

Nauru, officially the Republic of Nauru, independent island republic in the western Pacific Ocean.

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Nausea

Nausea, feeling of discomfort in the stomach, with a distaste for food and a tendency to vomit.

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Nautilus

Nautilus, or chambered nautilus, genus of shellfish native to the South Pacific and Indian oceans, having a spiral shell divided into chambers.

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U.S.S. Nautilus

Nautilus, U.S.S., first nuclear-powered submarine, launched Jan. 1955.

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Navajo

Navajo, Native American tribe, thought to have migrated from the north to settle in Arizona and New Mexico c.A.D. 1000.

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United States Naval Observatory

Naval Observatory, United States, astronomical observatory and source of official standard time in the United States.

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Navarre

Navarre, Basque province in northern Spain.

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Navel

Navel See: Umbilical cord.

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Navigation

Navigation, science of finding the position and directing a marine, air, or space vessel from one place to another.

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Navigation acts

Navigation acts, laws regulating navigation at sea or in port or restricting commercial shipping in the national interest—more specifically, regulations promulgated (from 1650) by the British during the American colonial period to try to ensure that benefits of commerce would accrue to England (and to a lesser extent, the colonies) rather than to England's enemies.

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Martina Navratilova

Navratilova, Martina (1956–.), Czechoslovakian-born U.S. tennis player.

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Navy

Navy, seaborne armed force maintained for national defense or attack.

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United States Navy

Navy, United States, branch of the U.S. armed forces designed to maintain command of the sea.

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Nazareth

Nazareth (pop. 45,600), historic town in northern Israel, lower Galilee, where Jesus lived as a youth.

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Nazism

Nazism, or National Socialism, the creed of the National Socialist German Workers' Party (Nazi Party) led by Adolf Hitler from 1921 to 1945. The Nazi movement began (1918–19) when Germany was humiliated and impoverished by defeat in World War I and by the severe terms of the Treaty of Versailles. From a membership of around 100,000 in 1928, the party increased in strength to 920,000 …

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NCAA

NCAA See: National Collegiate Athletic Association.

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NEA

NEA See: National Educational Association Of the United States.

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Nebraska

Nebraska, state in central United States in the Great Plains region; bordered by South Dakota to the north, the Missouri River and Iowa and Missouri to the east, Kansas to the south, Colorado to the south and west, and Wyoming to the west. Nebraska, which slopes gradually from northwest to southeast, has 2 main land regions. The eastern fifth of the state lies in the Dissected Till Plains. Once co…

2 minute read

Nebuchadnezzar

Nebuchadnezzar, name of three kings of Babylonia.

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Nebula

Nebula, enormous interstellar cloud of gas and dust, often luminous.

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