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potassium hydroxide
potassium hydroxide chemical compound with formula KOH. Pure potassium hydroxide forms white, deliquescent crystals. For commercial and laboratory use it is usually in the form of white pellets. A strong base, it dissolves readily in water, giving off much heat and forming a strongly alkaline, caus...
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Groton
Groton , town (1990 pop. 45,144), New London co., SE Conn., including the borough of Groton and the village of West Mystic, on the Thames River opposite New London; settled c.1650, inc. 1705. Shipbuilding, pharmaceuticals, manufacturing, and commercial fishing are among the town's industries. The hu...
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talus
talus , deposit of rock fragments detached from cliffs or mountain slopes by weathering and piled up at their bases. A talus is a common geologic feature in regions of high cliffs. The angle of slope of a talus is rarely greater than 40°. The constant weathering to which a talus is subjected, ...
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the Internet
the Internet international computer network linking together thousands of individual networks at military and government agencies, educational institutions, nonprofit organizations, industrial and financial corporations of all sizes, and commercial enterprises (called gateways or service provider...
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DNA
DNA
DNA (deoxyribonucleic acid) was discovered in the late 1800s, but its role as the material of heredity was not elucidated for fifty years after that. It occupies a central and critical role in the cell as the genetic information in which all the information required to duplicate and maintain th...
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Fahd ibn Abdul Aziz
Fahd ibn Abdul Aziz , 1923-2005, king of Saudi Arabia (1982-2005). A son of Ibn Saud , the founder of Saudi Arabia, Fahd served as education minister (1953-62) and interior minister (1962-75) and was named (1975) crown prince by his half-brother King Khalid . He was a powerful shaper of Saudi fore...
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cubism
cubism art movement, primarily in painting, originating in Paris c.1907.
Cubist Theory
Cubism began as an intellectual revolt against the artistic expression of previous eras. Among the specific elements abandoned by the cubists were the sensual appeal of paint texture and color, subject ...
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Port Moresby
Port Moresby , town (1990 pop. 193,242), capital of Papua New Guinea, on New Guinea island and on the Gulf of Papua. Rubber, gold, and copra are exported. Port Moresby was founded by Capt. John Moresby, who landed there in 1873. The British occupied it in 1883. During World War II the chief Allied b...
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Hamilcar Barca
Hamilcar Barca d. 229 or 228 BC, Carthaginian general. He was assigned the command in Sicily in 247 in the First Punic War (see Punic Wars ). From mountain bases near Palermo he made repeated raids on the Romans and relieved the Punic garrison in Lilybaeum. However, the Carthaginians were defeated...
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Sigmund Romberg
Sigmund Romberg , 1887-1951, Hungarian-American composer, educated in Vienna. He came to the United States in 1909, played in restaurant and café orchestras, and soon had his own orchestra. He wrote the score for the musical The Whirl of the World (1914), and followed it with more than 70 o...
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